IOC Lite vs DiagonalOBDII
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IOC Lite
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Set up your smart home charger on the IoCharger Family APP. Happy Charging! IoCharger Family APP is designed to provide easier & smarter charging for family members. All family members use a same account to charge on this APP, just plug in your car and we will do the rest! - Add family members to share your charger - View all records of charging transactions - Start and stop charging via RFID card or the APP - Monitor charging status remotely - Set schedules to charge at any time For more information, please visit http://www.iocharger.com
DiagonalOBDII
This app helps mechanics perform vehicle drive cycles more efficiently. It provides real-time monitoring of emissions monitors and diagnostic trouble codes (DTCs), offering clear guidance and instant explanations to ensure vehicles pass inspection quickly and accurately.
- Live drive cycle monitoring
- Immediate diagnostic trouble code (DTC) identification
- Real-time emissions monitor status
- Precise drive cycle parameter guidance
- Professional, easy-to-navigate dashboard
- Instant code explanations
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Diagonal is designed specifically for mechanics who want to simplify and speed up vehicle drive cycles. Instantly track emissions monitors and diagnostic trouble codes (DTCs) live, ensuring accurate diagnostics and rapid vehicle readiness for inspection. Key Features: -Live Drive Cycle Monitoring: Clearly see the real-time status of emissions monitors as they run, complete, or require further action during your drive. -Immediate Diagnostics: Quickly identify and address active trouble codes (DTCs) as they appear, eliminating uncertainty during drive cycles. -Efficiency and Accuracy: Avoid unnecessary repeat drive cycles by verifying real-time monitor completion, ensuring vehicles pass inspection on the first try. -Precise Drive Cycle Guidance: Monitor essential drive cycle parameters such as speed, RPM, engine temperature, and throttle position to meet exact diagnostic requirements. -Professional Dashboard: Access all critical information quickly through a clear, easy-to-navigate interface tailored for automotive professionals. -Instant Code Explanations: Quickly interpret trouble codes with straightforward, mechanic-friendly explanations. Why Mechanics Trust Diagonal: -Saves Valuable Time: Complete diagnostic drive cycles accurately the first time. -Faster Inspections: Immediately identify vehicle readiness to streamline your workflow. -Reduces Diagnostic Uncertainty: Clear, actionable data presented in real-time. -Diagonal empowers professional technicians with the tools to perform diagnostics faster and more efficiently than ever before. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://diagonal-d070c.web.app/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: IOC Lite at none against DiagonalOBDII's 4. IOC Lite also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.1). DiagonalOBDII's advantage is update cadence (every 2 weeks vs every 6 weeks). On price and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. DiagonalOBDII sells 4 in-app purchases, starting at $12.99 per month. IOC Lite asks for nothing beyond the download.
IOC Lite ships an update every 6 weeks, DiagonalOBDII every 2 weeks. The most recent releases landed on September 9, 2026 and August 22, 2026 respectively.
| Parameter | IOC Lite | DiagonalOBDII |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 23 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | XIAMEN GALAXY CAMPHOL TECHNOLOGY CO.,LTD | Kyle Louderback |
In-app purchases
IOC Lite
No in-app purchases
DiagonalOBDII
- Diagonal Premium Monthly$12.991 Month
- Diagonal Premium Trial1 Month trial$12.991 Month
- Shop Owner - Monthly$17.991 Month
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- Diagonal Premium Yearly$99.991 Year









