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Information
Apple ID6463430861
Bundle IDhemdata2.DAWN-Inspector
SellerSeller
Min iOS13.0
Min macOS11.0
Device familiesiphone, ipad, ipod
Released2023-08-26
Copyright© 2026 HEM Data Corporation
Privacy policyLink ↗
Preview 2 platforms
iPhone 2 images
iPad 1 image
What’s New Version 1.6
Improvements for J1979-2
Description
Attach the hardware to the vehicle network connector, turn on the engine, and open the app. Complete the test within 2 minutes.
The tampering report is available within the app.
Accessibility
ipadiphonemacrealityDevicetvoswatch
Version history 16 versions
Build 888012432v1.62026-07-09 04:48:06
Improvements for J1979-2
Build 883481812v1.52026-03-17 22:21:35
Small bug fix on inserting the VIN after the test.
Build 882787556v1.42026-02-25 21:36:10
Small bug fixes where app could crash in rare instances.
Build 879371136v1.32025-10-31 11:02:13
Increased support for J1979-2
Build 877559879v1.22025-08-26 05:16:03
Added support for J1979-2
Build 873065430v1.12025-03-07 23:19:20
App renamed to Pre-Check from TamperDetect
Build 870897685v1.02024-12-04 19:40:15
Removed the "only saved if submit" message on VIN entry. VIN entry is optional.
Caps lock used on VIN entry
Build 868624522v.542024-08-30 23:41:32
VIN confirmation is optional. Incomplete tests that time out will give a warning now.
Build 867880872v.532024-07-31 18:31:32
Broadcast requests for DM19 and DM20 added.
Build 866643838v0.522024-06-12 19:22:43
Displays the OBD-II values if the vehicle has only J1979 present
Shortened long parameter names to format better on small iPhone screens
Build 865104796v0.512024-04-10 19:51:09
Fixed an interference issue with Volvo CAN2.
Build 864307138v0.502024-03-08 21:25:51
Improved data collection and live data viewing.
Build 860620124v.32023-10-12 16:56:10
App will switch automatically to the Uploads Tab when submitting a test.
Build 860623576v.42023-10-12 21:26:52
App automatically loads the Uploads Tab when submitting a test. Fixed IP issue from previous version.
Build 860289192v.22023-09-29 09:52:53
Improved tamper report
Build 859418647v.12023-08-26 16:29:53
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
| US | en-US | Free | 0 | — | 1.6 |
Change log 19 changes · US
✎
releaseNotes updated
Improvements for J1979-2
✎
description updated
Attach the hardware to the vehicle network connector, turn on the engine, and open the app. Complete the test within 2 minutes.
The tampering report is availabl
✎
name updated
DAWN Pre-Check
◆
Version 1.6 released
Improvements for J1979-2
◆
Version 1.5 released
Small bug fix on inserting the VIN after the test.
◆
Version 1.4 released
Small bug fixes where app could crash in rare instances.
◆
Version 1.3 released
Increased support for J1979-2
◆
Version 1.2 released
Added support for J1979-2
◆
Version 1.1 released
App renamed to Pre-Check from TamperDetect
◆
Version 1.0 released
Removed the "only saved if submit" message on VIN entry. VIN entry is optional.
Caps lock used on VIN entry
◆
Version .54 released
VIN confirmation is optional. Incomplete tests that time out will give a warning now.
◆
Version .53 released
Broadcast requests for DM19 and DM20 added.
◆
Version 0.52 released
Displays the OBD-II values if the vehicle has only J1979 present
Shortened long parameter names to format better on small iPhone screens
◆
Version 0.51 released
Fixed an interference issue with Volvo CAN2.
◆
Version 0.50 released
Improved data collection and live data viewing.
◆
Version .4 released
App automatically loads the Uploads Tab when submitting a test. Fixed IP issue from previous version.
◆
Version .3 released
App will switch automatically to the Uploads Tab when submitting a test.
◆
Version .2 released
Improved tamper report
◆
Version .1 released