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reChain Grib

Jean-Charles Levenne
GRIB forecasts via InReach
Open in App Store ↗
TH flag TH
FRfr-FRAEen-GBAFen-GBAGen-GBAIen-GBALen-GBAMen-GBAOen-GBARes-MXATde-DEAUen-AUAZen-GBBAen-GBBBen-GBBEen-GBBFen-GBBGen-GBBHen-GBBJen-GBBMen-GBBNen-GBBOes-MXBRpt-BRBSen-GBBTen-GBBWen-GBBYen-GBBZen-GBCAen-CACDen-GBCGen-GBCHde-CHCIfr-FRCLes-MXCMfr-FRCNzh-Hans-CNCOes-MXCRes-MXCVen-GBCYen-GBCZen-GBDEde-DEDKen-GBDMen-GBDOes-MXDZen-GBECes-MXEEen-GBEGen-GBESes-ESFIen-GBFJen-GBFMen-GBGAfr-FRGBen-GBGDen-GBGEen-GBGHen-GBGMen-GBGRen-GBGTes-MXGWen-GBGYen-GBHKzh-Hant-HKHNes-MXHRen-GBHUen-GBIDen-GBIEen-GBILen-GBINen-GBIQen-GBISen-GBITitJMen-GBJOen-GBJPjaKEen-GBKGen-GBKHen-GBKNen-GBKRkoKWen-GBKYen-GBKZen-GBLAen-GBLBen-GBLCen-GBLKen-GBLRen-GBLTen-GBLUen-GBLVen-GBLYen-GBMAen-GBMDen-GBMEen-GBMGen-GBMKen-GBMLen-GBMMen-GBMNen-GBMOzh-Hant-HKMRen-GBMSen-GBMTen-GBMUen-GBMVen-GBMWen-GBMXes-MXMYen-GBMZen-GBNAen-GBNEen-GBNGen-GBNIes-MXNLnlNOen-GBNPen-GBNRen-GBNZen-AUOMen-GBPAes-MXPEes-MXPGen-GBPHen-GBPKen-GBPLen-GBPTpt-PTPWen-GBPYes-MXQAen-GBROen-GBRSen-GBRUruRWen-GBSAen-GBSBen-GBSCen-GBSEsvSGen-GBSIen-GBSKen-GBSLen-GBSNen-GBSRen-GBSTen-GBSVes-MXSZen-GBTCen-GBTDen-GBTHen-GBTJen-GBTMen-GBTNen-GBTOen-GBTRen-GBTTen-GBTWzh-Hant-TWTZen-GBUAen-GBUGen-GBUSen-USUYen-GBUZen-GBVCen-GBVEes-MXVGen-GBVNen-GBVUen-GBXKen-GBYEen-GBZAen-GBZMen-GBZWen-GB
175 of 175 storefronts
Content in en-US
Age Rating
4+
Years
Developer
Jean-Charles Levenne
Language
EN
Size
10.1
MB

Information

Apple ID6755486282
Bundle IDJCskipper.reChain-Grib
SellerSeller
Min iOS16.6
Min macOS13.5
Device familiesiphone, ipad
Released2025-11-30
Copyright© 2026 JCskipper
WebsiteLink ↗
Privacy policyLink ↗

Preview 2 platforms

iPhone 4 images

iPhone screenshot
iPhone screenshot
iPhone screenshot
iPhone screenshot

iPad 4 images

iPad screenshot
iPad screenshot
iPad screenshot
iPad screenshot

What’s New Version 1.7

Increase GRIB max resolution from 0,5° to 0,25°

Description

reChain Grib is the simplest way to request, decode, and view GRIB weather files when you’re offshore with a Garmin inReach device. Built for skippers who need reliable, lightweight, fully offline weather tools, it keeps you informed even far beyond any network. → Generate GRIB Requests Create precise GRIB requests (wind, pressure, waves…) with a clean, intuitive interface. Copy the request and send it via your inReach to a dedicated email—no internet required. → Decode GRIB Chunks Paste the GRIB message chunks received by your inReach. reChain Grib automatically decodes them into a downloadable GRIB file. → View GRIB Forecasts (Built‑in Viewer) Open the GRIB directly inside the app and explore the forecast timeline with a clean, lightweight viewer designed for offshore use. → Built for Offshore Use • 100% offline • Extremely lightweight → Why reChain Grib? Because offshore weather access should be simple, reliable, and available anywhere. Whether you’re crossing an ocean or sailing along a remote coast, reChain Grib gives you the essential tools to request and view weather whenever you need it. → Notes Requires a Garmin inReach device for sending/receiving messages. reChain Grib is not affiliated with Garmin. Terms of Use: https://www.jcskipper.com/rechain/rechain_terms.html

Capabilities

In-App Purchases

Accessibility

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Version history 7 versions

Build 886619258v1.62026-06-07 15:39:19
Some bug fixing on Premium management
Build 886643053v1.72026-06-07 19:02:15
Increase GRIB max resolution from 0,5° to 0,25°
Build 883218475v1.52026-03-13 09:53:59
Added Pressure and Waves parameters
Build 882414808v1.42026-02-18 09:20:45
_ Premium activation code instructions more explicite, _ updated messages estimation calculation, _ update instructions app, _ accepted extension .grb in gribviewer.
Build 882164211v1.32026-02-08 18:06:07
Added ECMWF model for Grib requests Some bugs fixed
Build 881967759v1.22026-01-31 17:44:31
Added simple Grib Viewer Many bugs fixed
Build 879910024v1.02025-11-30 11:23:37

No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.

Availability 175 of 175 storefronts

RegionLanguagePriceRatingsAvgVersion
FR fr-FRFree15.01.7
AE en-GBFree0—1.7
AF en-GBFree0—1.7
AG en-GBFree0—1.7
AI en-GBFree0—1.7
AL en-GBFree0—1.7
AM en-GBFree0—1.7
AO en-GBFree0—1.7
AR es-MXFree0—1.7
AT de-DEFree0—1.7
AU en-AUFree0—1.7
AZ en-GBFree0—1.7
BA en-GBFree0—1.7
BB en-GBFree0—1.7
BE en-GBFree0—1.7
BF en-GBFree0—1.7
BG en-GBFree0—1.7
BH en-GBFree0—1.7
BJ en-GBFree0—1.7
BM en-GBFree0—1.7
BN en-GBFree0—1.7
BO es-MXFree0—1.7
BR pt-BRFree0—1.7
BS en-GBFree0—1.7
BT en-GBFree0—1.7
BW en-GBFree0—1.7
BY en-GBFree0—1.7
BZ en-GBFree0—1.7
CA en-CAFree0—1.7
CD en-GBFree0—1.7
CG en-GBFree0—1.7
CH de-CHFree0—1.7
CI fr-FRFree0—1.7
CL es-MXFree0—1.7
CM fr-FRFree0—1.7
CN zh-Hans-CNFree0—1.7
CO es-MXFree0—1.7
CR es-MXFree0—1.7
CV en-GBFree0—1.7
CY en-GBFree0—1.7
CZ en-GBFree0—1.7
DE de-DEFree0—1.7
DK en-GBFree0—1.7
DM en-GBFree0—1.7
DO es-MXFree0—1.7
DZ en-GBFree0—1.7
EC es-MXFree0—1.7
EE en-GBFree0—1.7
EG en-GBFree0—1.7
ES es-ESFree0—1.7
FI en-GBFree0—1.7
FJ en-GBFree0—1.7
FM en-GBFree0—1.7
GA fr-FRFree0—1.7
GB en-GBFree0—1.7
GD en-GBFree0—1.7
GE en-GBFree0—1.7
GH en-GBFree0—1.7
GM en-GBFree0—1.7
GR en-GBFree0—1.7
GT es-MXFree0—1.7
GW en-GBFree0—1.7
GY en-GBFree0—1.7
HK zh-Hant-HKFree0—1.7
HN es-MXFree0—1.7
HR en-GBFree0—1.7
HU en-GBFree0—1.7
ID en-GBFree0—1.7
IE en-GBFree0—1.7
IL en-GBFree0—1.7
IN en-GBFree0—1.7
IQ en-GBFree0—1.7
IS en-GBFree0—1.7
IT itFree0—1.7
JM en-GBFree0—1.7
JO en-GBFree0—1.7
JP jaFree0—1.7
KE en-GBFree0—1.7
KG en-GBFree0—1.7
KH en-GBFree0—1.7
KN en-GBFree0—1.7
KR koFree0—1.7
KW en-GBFree0—1.7
KY en-GBFree0—1.7
KZ en-GBFree0—1.7
LA en-GBFree0—1.7
LB en-GBFree0—1.7
LC en-GBFree0—1.7
LK en-GBFree0—1.7
LR en-GBFree0—1.7
LT en-GBFree0—1.7
LU en-GBFree0—1.7
LV en-GBFree0—1.7
LY en-GBFree0—1.7
MA en-GBFree0—1.7
MD en-GBFree0—1.7
ME en-GBFree0—1.7
MG en-GBFree0—1.7
MK en-GBFree0—1.7
ML en-GBFree0—1.7
MM en-GBFree0—1.7
MN en-GBFree0—1.7
MO zh-Hant-HKFree0—1.7
MR en-GBFree0—1.7
MS en-GBFree0—1.7
MT en-GBFree0—1.7
MU en-GBFree0—1.7
MV en-GBFree0—1.7
MW en-GBFree0—1.7
MX es-MXFree0—1.7
MY en-GBFree0—1.7
MZ en-GBFree0—1.7
NA en-GBFree0—1.7
NE en-GBFree0—1.7
NG en-GBFree0—1.7
NI es-MXFree0—1.7
NL nlFree0—1.7
NO en-GBFree0—1.7
NP en-GBFree0—1.7
NR en-GBFree0—1.7
NZ en-AUFree0—1.7
OM en-GBFree0—1.7
PA es-MXFree0—1.7
PE es-MXFree0—1.7
PG en-GBFree0—1.7
PH en-GBFree0—1.7
PK en-GBFree0—1.7
PL en-GBFree0—1.7
PT pt-PTFree0—1.7
PW en-GBFree0—1.7
PY es-MXFree0—1.7
QA en-GBFree0—1.7
RO en-GBFree0—1.7
RS en-GBFree0—1.7
RU ruFree0—1.7
RW en-GBFree0—1.7
SA en-GBFree0—1.7
SB en-GBFree0—1.7
SC en-GBFree0—1.7
SE svFree0—1.7
SG en-GBFree0—1.7
SI en-GBFree0—1.7
SK en-GBFree0—1.7
SL en-GBFree0—1.7
SN en-GBFree0—1.7
SR en-GBFree0—1.7
ST en-GBFree0—1.7
SV es-MXFree0—1.7
SZ en-GBFree0—1.7
TC en-GBFree0—1.7
TD en-GBFree0—1.7
TH en-GBFree0—1.7
TJ en-GBFree0—1.7
TM en-GBFree0—1.7
TN en-GBFree0—1.7
TO en-GBFree0—1.7
TR en-GBFree0—1.7
TT en-GBFree0—1.7
TW zh-Hant-TWFree0—1.7
TZ en-GBFree0—1.7
UA en-GBFree0—1.7
UG en-GBFree0—1.7
US en-USFree0—1.7
UY en-GBFree0—1.7
UZ en-GBFree0—1.7
VC en-GBFree0—1.7
VE es-MXFree0—1.7
VG en-GBFree0—1.7
VN en-GBFree0—1.7
VU en-GBFree0—1.7
XK en-GBFree0—1.7
YE en-GBFree0—1.7
ZA en-GBFree0—1.7
ZM en-GBFree0—1.7
ZW en-GBFree0—1.7

Change log 11 changes · TH

✎
releaseNotes updated
Increase GRIB max resolution from 0,5° to 0,25°
✎
description updated
reChain Grib is the simplest way to request, decode, and view GRIB weather files when you’re offshore with a Garmin inReach device. Built for skippers who need
✎
subtitle updated
GRIB forecasts via InReach
✎
name updated
reChain Grib
◆
Version 1.7 released
Increase GRIB max resolution from 0,5° to 0,25°
◆
Version 1.6 released
Some bug fixing on Premium management
◆
Version 1.5 released
Added Pressure and Waves parameters
◆
Version 1.4 released
_ Premium activation code instructions more explicite, _ updated messages estimation calculation, _ update instructions app, _ accepted extension .grb in gribviewer.
◆
Version 1.3 released
Added ECMWF model for Grib requests Some bugs fixed
◆
Version 1.2 released
Added simple Grib Viewer Many bugs fixed
◆
Version 1.0 released
expanded screenshot