# MobiSquirt > iOS interface for MegaSquirt ECUs to view and log engine data. (iPhone/iPad app by Dave White.) - Source: https://appshunter.io/ios/app/mobisquirt/id474902976 (this page in markdown: same URL + `.md`) - Developer: [Dave White](https://appshunter.io/developer/474902979) - Category: Utilities, Education - Price: Free - Rating: 3.00/5 from 4 App Store ratings · 6 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 26 MB - Languages: American English - Released: 2011-10-27 - Data updated: 2026-07-20 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/mobisquirt/id474902976/reviews.md ## What is MobiSquirt? MobiSquirt allows you to connect your iOS device to a MegaSquirt ECU, view realtime data from your car's engine control system and log that data for later analysis using available tools such as MegaLogViewer. MobiSquirt will eventually support all versions of the MegaSquirt firmware but initial versions of the app will concentrate on compatibility with MegaSquirt 1, MegaSquirt 1 - Extra, MegaSquirt 2 and MegaSquirt 2-Extra. It is also anticipated that support for MegaJolt will be added. Version 1.2 of the App has been tested against most versions of the MS1-Extra and MS2-Extra firmware. Other firmware versions have partial or no support in this version. Use of this app will require provision of a WiFi or Bluetooth connection to your MegaSquirt ECU. Details of suitable options for this are available on the app web site - https://mobisquirt.org/ and in the user manual available at https://mobisquirt.org/user-manual/ ## Key features - Connect to MegaSquirt ECU - View real-time engine data - Log data for analysis - Supports MegaSquirt firmware - WiFi or Bluetooth connection ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/mobisquirt/id474902976/reviews.md ### 5/5 — Looks promising, iPhone can't connect *2019-09-10* I really wish the iPhone could connect to my megasquirt Bluetooth adapter. However unfortunately it cannot. The app looks great and I'll use my Android tablet instead ### 1/5 — App not work. *2015-09-22* Why not connect? ### 5/5 — Cearsa *2014-01-21* Hey great work, thanks, very cool app, hope to see the next version soon. ### 5/5 — Needs further development *2013-04-26* I love the work done on this so far just wish there were more effort or perhaps collaboration on the project. ### 1/5 — Cant connect *2012-06-03* Cant connect to bluetooth serial adapter. ### 5/5 — 5 stars *2011-12-28* I gave it 5 stars just because the time and effort to make a megasquirt app and it's free. ## Frequently asked questions about MobiSquirt ### What is MobiSquirt? MobiSquirt is a mobile application that allows you to connect your iOS device to a MegaSquirt ECU. It enables you to view real-time engine data and log it for later analysis. ### What MegaSquirt firmware versions does MobiSquirt support? Initial versions of MobiSquirt concentrate on compatibility with MegaSquirt 1, MegaSquirt 1 - Extra, MegaSquirt 2, and MegaSquirt 2-Extra. Version 1.2 has been tested against most MS1-Extra and MS2-Extra firmware. ### How does MobiSquirt connect to the MegaSquirt ECU? You will need a WiFi or Bluetooth connection to your MegaSquirt ECU to use MobiSquirt. Details on suitable connection options can be found on the app's website. ### Can I analyze the logged data directly in MobiSquirt? MobiSquirt allows you to log data for later analysis using available tools such as MegaLogViewer. The app itself focuses on real-time viewing and logging. ### What devices is MobiSquirt compatible with? MobiSquirt is available for iPhone, iPad, and iPod devices. It is rated for ages 4 and up. ### How often is MobiSquirt updated? The latest version of MobiSquirt is 1.2, which was last updated on July 19, 2018. Future updates will expand firmware support. ### What is the user rating for MobiSquirt? MobiSquirt has a user rating of 3.0 stars based on 4 ratings. User feedback indicates areas for improvement. ### Does MobiSquirt have ads? No, MobiSquirt does not contain advertisements. It is a free application with no in-app purchases or ads. ## Version history (last 3 releases) ### 1.2 — 2018-07-19 This app has been updated by Apple to display the Apple Watch app icon. Updated to support current devices. A rebuild of the underlying architecture giving faster logging. Support for Bluetooth BLE serial devices added. ### 1.1 — 2012-07-24 This version includes support for MS2-Extra. There have been a number of changes to the app architecture to improve connection performance. The gauge views have been given a makeover. Support for iPad has been added. ### 1.0 — 2011-10-27 No release notes. ## Apps similar to MobiSquirt | App | Rating | Price | Category | | --- | --- | --- | --- | | [GPS Race Timer](https://appshunter.io/ios/app/gps-race-timer/id1340496243) | 4.5 (2,700) | Free | Utilities | | [MX5 Tech Remote](https://appshunter.io/ios/app/mx5-tech-remote/id1482337837) | 3.2 (21) | Free | Utilities | | [ECU Connect](https://appshunter.io/ios/app/ecu-connect/id1140860609) | 4.0 (85) | Free | Utilities | | [OBD2 Car Scanner - EOBD Facile](https://appshunter.io/ios/app/obd2-car-scanner-eobd-facile/id713921569) | 4.6 (4,878) | Free | Utilities | | [OBDeleven VAG](https://appshunter.io/ios/app/obdeleven-vag/id1458334123) | 4.5 (6,569) | Free | Utilities | | [DynoRoad](https://appshunter.io/ios/app/dynoroad/id1611979449) | 5.0 (1) | Free | Utilities | ## More apps by Dave White - [TKController](https://appshunter.io/ios/app/tkcontroller/id601959183) All apps by Dave White: https://appshunter.io/developer/474902979 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-20.*