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Preview 4 platforms
iPhone 10 images
iPad 10 images
Mac 5 images
Apple Vision Pro 5 images
What’s New Version 1.204
This release improves zooming and scrolling behavior across a wide range of screen sizes.
Description
Breadpad is your go-to analog/digital electronics lab, featuring an interactive breadboard and advanced SPICE simulation. Easily add components, wire them up, and analyze your circuits with a virtual oscilloscope and logic analyzer. Execute full SPICE netlists for unparalleled precision. Choose from a vast library of ready-to-use parts or create your own custom elements.
Dive in for free or upgrade to unlock powerful data export capabilities and superior simulation features.
Free Features:
- Effortlessly wire up components on a digital breadboard
- Choose from over 400 integrated circuits or craft your custom chips using SPICE
- Insert resistors, capacitors, inductors, transistors, and diodes with accurate models
- Instantly see how changes affect your circuit with quick-rendering graphs
- Take snapshots of your breadboard setups for easy inclusion in documents or online
- Import PSPICE and LTSpice netlists for comprehensive simulations (.spice and .cir files)
- Work together using iCloud, iMessage, Airdrop, email, Google Drive, OneDrive, and Dropbox
- Explore a wide selection of pre-configured diodes and transistors with numerous tweakable settings
- Open any .breadpad file at no cost, even those from Premium users
- Experience your designs in 3D with Apple Vision Pro
Premium subscription unlocks:
- Infinite vector plotting from your SPICE simulations
- Conduct temperature sensitivity analysis to assess environmental impacts on circuits
- Access five extra voltage sources, including piecewise and frequency-modulated options
- Export your simulation results to CSV for analysis in tools like Excel, MATLAB, or Python
- Directly modify the SPICE netlist for any component on your breadboard
- Fine-tune component tolerances using six-sigma gaussian distributions
- Analyze manufacturing variance effects with dynamic Monte Carlo simulations
Whether you're a student, hobbyist, or professional engineer, Breadpad is the perfect tool for brainstorming, designing, and refining your circuit ideas. Explore new principles, experiment with designs, and optimize existing systems.
Get Breadpad today and elevate your circuit simulation experience.
Exclusively on iPad, iPhone, Mac, and Vision Pro.
Privacy policy: https://breadpad.com/privacy/
Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
In-App Purchases EE pricing
Premium Subscription
Annual Breadpad Subscription · Yearly—
Monthly Breadpad Subscription · Monthly—
Capabilities
In-App PurchasesGame controller
Accessibility
ipadiphonemacrealityDevicetvoswatch
Version history 25 versions
Build 882948116v1.2042026-03-05 09:03:49
This release improves zooming and scrolling behavior across a wide range of screen sizes.
Build 878540137v1.2032025-10-01 00:50:55
This release fixes a bug that prevented transistor device models from appearing in the list for selection.
Build 876290753v1.2022025-09-16 18:50:18
This release updates to provide compatibility with the latest ngspice (v45.2) and includes an updated app icon.
Build 873843990v1.2012025-04-08 11:43:23
This release reduces memory usage and fixes a crash that occasionally prevented users from dismissing overlays.
Build 873707743v1.2002025-04-01 23:52:49
This release improves the stability and performance of Monte Carlo simulations.
Build 873654645v1.1992025-03-31 17:05:29
This release improves the handling of ideal wires with zero resistance, ensuring accurate calculations and convergence.
Build 873405735v1.1982025-03-21 21:29:12
This release improves localizations and translations across 30+ languages.
Build 873336102v1.1972025-03-19 06:20:09
This release improve the calculator provided when adjusting the values of component parameters, including better handling of significant figures throughout the app.
Build 873284196v1.1962025-03-18 09:12:52
This release includes ngspice version 44, providing faster simulations and improved stability on larger SPICE net lists.
Build 872385454v1.1952025-02-13 09:49:41
This release improves tap targets to make the user interface more accessible across a wider range of screen sizes and settings.
Build 871773903v1.1942025-01-15 17:49:36
This release includes bug fixes to unresponsive UI controls impacting the placement and editing of components on large projects.
Build 871546751v1.1932025-01-07 20:56:24
This release provides native iOS UI controls to additional app menus.
Build 870990333v1.1922024-12-09 03:50:38
This release includes performance improvements to app launch and background tasks.
Build 870252375v1.1912024-11-07 08:38:26
This release fixes a crash in the oscilloscope tool caused by a recent update to iOS.
Build 869906843v1.1902024-10-23 11:19:26
This release fixes a crash that sometimes prevented users from placing inductors and capacitors on the breadboard.
Build 869685312v1.1892024-10-14 06:44:17
This release includes a smaller app size, improved performance, and an icon for dark mode.
Build 868695361v1.1882024-09-04 14:19:20
This release includes performance improvements to the customer support panel and minor fixes to the user interface.
Build 868317223v1.1872024-08-24 22:32:06
This release fixes a crash that occurs on iOS 17.6 when loading nested subcircuits in the simulator.
Build 868262777v1.1862024-08-19 02:09:34
This release upgrades the simulation engine to include features from ngspice version 43, including improved JFET and diode device models.
Build 868221558v1.1852024-08-15 23:20:50
This release implements performance improvements to the help center and customer service chat available in the app.
Build 868123607v1.1832024-08-11 06:55:47
This release fixes a crash that would sometimes occur on iOS 17.6 when quickly switching between modal sheets in the user interface.
Build 868133797v1.1842024-08-11 20:24:24
This release improves the performance of the calculator tape and minimizes lag in the user interface while using calculator inputs.
Build 867943575v1.1822024-08-07 09:19:34
This release fixes a bug that occasionally prevented the example transistor components from loading on iOS 17.6.
Build 867723575v1.1812024-07-25 04:45:49
This release adds minor improvements to the first launch experience of the app.
Build 867637000v1.1802024-07-24 07:21:33
This release fixes a bug that sometimes prevented custom chips from properly saving to the database.
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Availability 175 of 175 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 154 | 3.9 | 1.204 |
MX | es-MX | Free | 36 | 4.2 | 1.204 |
CN | zh-Hans-CN | Free | 28 | 4.4 | 1.204 |
JP | ja | Free | 16 | 3.9 | 1.204 |
DE | de-DE | Free | 15 | 3.5 | 1.204 |
BR | pt-BR | Free | 11 | 5.0 | 1.204 |
TH | en-GB | Free | 11 | 4.2 | 1.204 |
GB | en-GB | Free | 10 | 3.6 | 1.204 |
KR | ko | Free | 10 | 4.6 | 1.204 |
TR | en-GB | Free | 10 | 3.9 | 1.204 |
SA | en-GB | Free | 7 | 3.7 | 1.204 |
CO | es-MX | Free | 6 | 4.2 | 1.204 |
CR | es-MX | Free | 6 | 4.0 | 1.204 |
IT | it | Free | 6 | 4.8 | 1.204 |
TW | zh-Hant-TW | Free | 6 | 5.0 | 1.204 |
AU | en-AU | Free | 5 | 3.0 | 1.204 |
ES | es-ES | Free | 5 | 4.6 | 1.204 |
VN | en-GB | Free | 5 | 3.4 | 1.204 |
CA | en-CA | Free | 4 | 3.5 | 1.204 |
PL | en-GB | Free | 4 | 4.0 | 1.204 |
ZA | en-GB | Free | 4 | 3.0 | 1.204 |
AT | de-DE | Free | 3 | 4.3 | 1.204 |
CL | es-MX | Free | 3 | 4.0 | 1.204 |
EG | en-GB | Free | 3 | 5.0 | 1.204 |
FR | fr-FR | Free | 3 | 3.3 | 1.204 |
HU | en-GB | Free | 3 | 3.3 | 1.204 |
IN | en-GB | Free | 3 | 5.0 | 1.204 |
MY | en-GB | Free | 3 | 5.0 | 1.204 |
PK | en-GB | Free | 3 | 5.0 | 1.204 |
RU | ru | Free | 3 | 4.7 | 1.204 |
BO | es-MX | Free | 2 | 5.0 | 1.204 |
CH | de-CH | Free | 2 | 5.0 | 1.204 |
CZ | en-GB | Free | 2 | 5.0 | 1.204 |
GH | en-GB | Free | 2 | 5.0 | 1.204 |
ID | en-GB | Free | 2 | 5.0 | 1.204 |
IL | en-GB | Free | 2 | 5.0 | 1.204 |
NL | nl | Free | 2 | 4.5 | 1.204 |
PA | es-MX | Free | 2 | 3.0 | 1.204 |
PE | es-MX | Free | 2 | 1.0 | 1.204 |
PT | pt-PT | Free | 2 | 5.0 | 1.204 |
SE | sv | Free | 2 | 1.0 | 1.204 |
SG | en-GB | Free | 2 | 5.0 | 1.204 |
UA | en-GB | Free | 2 | 5.0 | 1.204 |
AE | en-GB | Free | 1 | 5.0 | 1.204 |
AL | en-GB | Free | 1 | 5.0 | 1.204 |
AO | en-GB | Free | 1 | 2.0 | 1.204 |
AR | es-MX | Free | 1 | 5.0 | 1.204 |
BE | en-GB | Free | 1 | 5.0 | 1.204 |
BH | en-GB | Free | 1 | 5.0 | 1.204 |
CY | en-GB | Free | 1 | 5.0 | 1.204 |
DK | en-GB | Free | 1 | 1.0 | 1.204 |
DO | es-MX | Free | 1 | 5.0 | 1.204 |
DZ | en-GB | Free | 1 | 5.0 | 1.204 |
EE | en-GB | Free | 1 | 5.0 | 1.204 |
GT | es-MX | Free | 1 | 1.0 | 1.204 |
HK | zh-Hant-HK | Free | 1 | 5.0 | 1.204 |
HN | es-MX | Free | 1 | 5.0 | 1.204 |
HR | en-GB | Free | 1 | 5.0 | 1.204 |
IS | en-GB | Free | 1 | 5.0 | 1.204 |
JO | en-GB | Free | 1 | 5.0 | 1.204 |
KW | en-GB | Free | 1 | 5.0 | 1.204 |
KZ | en-GB | Free | 1 | 5.0 | 1.204 |
LB | en-GB | Free | 1 | 5.0 | 1.204 |
MO | zh-Hant-HK | Free | 1 | 5.0 | 1.204 |
NG | en-GB | Free | 1 | 3.0 | 1.204 |
NP | en-GB | Free | 1 | 3.0 | 1.204 |
OM | en-GB | Free | 1 | 1.0 | 1.204 |
SK | en-GB | Free | 1 | 5.0 | 1.204 |
UZ | en-GB | Free | 1 | 5.0 | 1.204 |
VE | es-MX | Free | 1 | 5.0 | 1.204 |
AF | en-GB | Free | 0 | — | 1.204 |
AG | en-GB | Free | 0 | — | 1.204 |
AI | en-GB | Free | 0 | — | 1.204 |
AM | en-GB | Free | 0 | — | 1.204 |
AZ | en-GB | Free | 0 | — | 1.204 |
BA | en-GB | Free | 0 | — | 1.204 |
BB | en-GB | Free | 0 | — | 1.204 |
BF | en-GB | Free | 0 | — | 1.204 |
BG | en-GB | Free | 0 | — | 1.204 |
BJ | en-GB | Free | 0 | — | 1.204 |
BM | en-GB | Free | 0 | — | 1.204 |
BN | en-GB | Free | 0 | — | 1.204 |
BS | en-GB | Free | 0 | — | 1.204 |
BT | en-GB | Free | 0 | — | 1.204 |
BW | en-GB | Free | 0 | — | 1.204 |
BY | en-GB | Free | 0 | — | 1.204 |
BZ | en-GB | Free | 0 | — | 1.204 |
CD | en-GB | Free | 0 | — | 1.204 |
CG | en-GB | Free | 0 | — | 1.204 |
CI | fr-FR | Free | 0 | — | 1.204 |
CM | fr-FR | Free | 0 | — | 1.204 |
CV | en-GB | Free | 0 | — | 1.204 |
DM | en-GB | Free | 0 | — | 1.204 |
EC | es-MX | Free | 0 | — | 1.204 |
FI | en-GB | Free | 0 | — | 1.204 |
FJ | en-GB | Free | 0 | — | 1.204 |
FM | en-GB | Free | 0 | — | 1.204 |
GA | fr-FR | Free | 0 | — | 1.204 |
GD | en-GB | Free | 0 | — | 1.204 |
GE | en-GB | Free | 0 | — | 1.204 |
GM | en-GB | Free | 0 | — | 1.204 |
GR | en-GB | Free | 0 | — | 1.204 |
GW | en-GB | Free | 0 | — | 1.204 |
GY | en-GB | Free | 0 | — | 1.204 |
IE | en-GB | Free | 0 | — | 1.204 |
IQ | en-GB | Free | 0 | — | 1.204 |
JM | en-GB | Free | 0 | — | 1.204 |
KE | en-GB | Free | 0 | — | 1.204 |
KG | en-GB | Free | 0 | — | 1.204 |
KH | en-GB | Free | 0 | — | 1.204 |
KN | en-GB | Free | 0 | — | 1.204 |
KY | en-GB | Free | 0 | — | 1.204 |
LA | en-GB | Free | 0 | — | 1.204 |
LC | en-GB | Free | 0 | — | 1.204 |
LK | en-GB | Free | 0 | — | 1.204 |
LR | en-GB | Free | 0 | — | 1.204 |
LT | en-GB | Free | 0 | — | 1.204 |
LU | en-GB | Free | 0 | — | 1.204 |
LV | en-GB | Free | 0 | — | 1.204 |
LY | en-GB | Free | 0 | — | 1.204 |
MA | en-GB | Free | 0 | — | 1.204 |
MD | en-GB | Free | 0 | — | 1.204 |
ME | en-GB | Free | 0 | — | 1.204 |
MG | en-GB | Free | 0 | — | 1.204 |
MK | en-GB | Free | 0 | — | 1.204 |
ML | en-GB | Free | 0 | — | 1.204 |
MM | en-GB | Free | 0 | — | 1.204 |
MN | en-GB | Free | 0 | — | 1.204 |
MR | en-GB | Free | 0 | — | 1.204 |
MS | en-GB | Free | 0 | — | 1.204 |
MT | en-GB | Free | 0 | — | 1.204 |
MU | en-GB | Free | 0 | — | 1.204 |
MV | en-GB | Free | 0 | — | 1.204 |
MW | en-GB | Free | 0 | — | 1.204 |
MZ | en-GB | Free | 0 | — | 1.204 |
NA | en-GB | Free | 0 | — | 1.204 |
NE | en-GB | Free | 0 | — | 1.204 |
NI | es-MX | Free | 0 | — | 1.204 |
NO | en-GB | Free | 0 | — | 1.204 |
NR | en-GB | Free | 0 | — | 1.204 |
NZ | en-AU | Free | 0 | — | 1.204 |
PG | en-GB | Free | 0 | — | 1.204 |
PH | en-GB | Free | 0 | — | 1.204 |
PW | en-GB | Free | 0 | — | 1.204 |
PY | es-MX | Free | 0 | — | 1.204 |
QA | en-GB | Free | 0 | — | 1.204 |
RO | en-GB | Free | 0 | — | 1.204 |
RS | en-GB | Free | 0 | — | 1.204 |
RW | en-GB | Free | 0 | — | 1.204 |
SB | en-GB | Free | 0 | — | 1.204 |
SC | en-GB | Free | 0 | — | 1.204 |
SI | en-GB | Free | 0 | — | 1.204 |
SL | en-GB | Free | 0 | — | 1.204 |
SN | en-GB | Free | 0 | — | 1.204 |
SR | en-GB | Free | 0 | — | 1.204 |
ST | en-GB | Free | 0 | — | 1.204 |
SV | es-MX | Free | 0 | — | 1.204 |
SZ | en-GB | Free | 0 | — | 1.204 |
TC | en-GB | Free | 0 | — | 1.204 |
TD | en-GB | Free | 0 | — | 1.204 |
TJ | en-GB | Free | 0 | — | 1.204 |
TM | en-GB | Free | 0 | — | 1.204 |
TN | en-GB | Free | 0 | — | 1.204 |
TO | en-GB | Free | 0 | — | 1.204 |
TT | en-GB | Free | 0 | — | 1.204 |
TZ | en-GB | Free | 0 | — | 1.204 |
UG | en-GB | Free | 0 | — | 1.204 |
UY | en-GB | Free | 0 | — | 1.204 |
VC | en-GB | Free | 0 | — | 1.204 |
VG | en-GB | Free | 0 | — | 1.204 |
VU | en-GB | Free | 0 | — | 1.204 |
XK | en-GB | Free | 0 | — | 1.204 |
YE | en-GB | Free | 0 | — | 1.204 |
ZM | en-GB | Free | 0 | — | 1.204 |
ZW | en-GB | Free | 0 | — | 1.204 |
Change log 32 changes · EE
✎
releaseNotes updated
This release improves zooming and scrolling behavior across a wide range of screen sizes.
✎
description updated
Breadpad is your go-to analog/digital electronics lab, featuring an interactive breadboard and advanced SPICE simulation. Easily add components, wire them up, a
✎
subtitle updated
Electronic circuit breadboard
✎
name updated
Breadpad - SPICE Simulator
▣
App icon changed
✎
Privacy labels 0 → 1 categories
✎
Added: In App Purchases
◆
Version 1.204 released
This release improves zooming and scrolling behavior across a wide range of screen sizes.
◆
Version 1.203 released
This release fixes a bug that prevented transistor device models from appearing in the list for selection.
◆
Version 1.202 released
This release updates to provide compatibility with the latest ngspice (v45.2) and includes an updated app icon.
◆
Version 1.201 released
This release reduces memory usage and fixes a crash that occasionally prevented users from dismissing overlays.
◆
Version 1.200 released
This release improves the stability and performance of Monte Carlo simulations.
◆
Version 1.199 released
This release improves the handling of ideal wires with zero resistance, ensuring accurate calculations and convergence.
◆
Version 1.198 released
This release improves localizations and translations across 30+ languages.
◆
Version 1.197 released
This release improve the calculator provided when adjusting the values of component parameters, including better handling of significant figures throughout the app.
◆
Version 1.196 released
This release includes ngspice version 44, providing faster simulations and improved stability on larger SPICE net lists.
◆
Version 1.195 released
This release improves tap targets to make the user interface more accessible across a wider range of screen sizes and settings.
◆
Version 1.194 released
This release includes bug fixes to unresponsive UI controls impacting the placement and editing of components on large projects.
◆
Version 1.193 released
This release provides native iOS UI controls to additional app menus.
◆
Version 1.192 released
This release includes performance improvements to app launch and background tasks.
◆
Version 1.191 released
This release fixes a crash in the oscilloscope tool caused by a recent update to iOS.
◆
Version 1.190 released
This release fixes a crash that sometimes prevented users from placing inductors and capacitors on the breadboard.
◆
Version 1.189 released
This release includes a smaller app size, improved performance, and an icon for dark mode.
◆
Version 1.188 released
This release includes performance improvements to the customer support panel and minor fixes to the user interface.
◆
Version 1.187 released
This release fixes a crash that occurs on iOS 17.6 when loading nested subcircuits in the simulator.
◆
Version 1.186 released
This release upgrades the simulation engine to include features from ngspice version 43, including improved JFET and diode device models.
◆
Version 1.185 released
This release implements performance improvements to the help center and customer service chat available in the app.
◆
Version 1.184 released
This release improves the performance of the calculator tape and minimizes lag in the user interface while using calculator inputs.
◆
Version 1.183 released
This release fixes a crash that would sometimes occur on iOS 17.6 when quickly switching between modal sheets in the user interface.
◆
Version 1.182 released
This release fixes a bug that occasionally prevented the example transistor components from loading on iOS 17.6.
◆
Version 1.181 released
This release adds minor improvements to the first launch experience of the app.
◆
Version 1.180 released
This release fixes a bug that sometimes prevented custom chips from properly saving to the database.
USen-US
MXes-MX
CNzh-Hans-CN
JPja
DEde-DE
BRpt-BR
THen-GB
GBen-GB
KRko
TRen-GB
SAen-GB
COes-MX
CRes-MX
ITit
TWzh-Hant-TW
AUen-AU
ESes-ES
VNen-GB
CAen-CA
PLen-GB
ZAen-GB
ATde-DE
CLes-MX
EGen-GB
FRfr-FR
HUen-GB
INen-GB
MYen-GB
PKen-GB
RUru
BOes-MX
CHde-CH
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GHen-GB
IDen-GB
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PAes-MX
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PTpt-PT
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AOen-GB
ARes-MX
BEen-GB
BHen-GB
CYen-GB
DKen-GB
DOes-MX
DZen-GB
GTes-MX
HKzh-Hant-HK
HNes-MX
HRen-GB
ISen-GB
JOen-GB
KWen-GB
KZen-GB
LBen-GB
MOzh-Hant-HK
NGen-GB
NPen-GB
OMen-GB
SKen-GB
UZen-GB
VEes-MX
AFen-GB
AGen-GB
AIen-GB
AMen-GB
AZen-GB
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BYen-GB
BZen-GB
CDen-GB
CGen-GB
CIfr-FR
CMfr-FR
CVen-GB
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ECes-MX
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MUen-GB
MVen-GB
MWen-GB
MZen-GB
NAen-GB
NEen-GB
NIes-MX
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PHen-GB
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PYes-MX
QAen-GB
ROen-GB
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RWen-GB
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SCen-GB
SIen-GB
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SVes-MX
SZen-GB
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