Miniprob vs Check Engine Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Miniprob
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The Miniprob app works perfectly with the team.
Check Engine Chat
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Your AI mechanic, running entirely on your phone. Ask any car question and get instant, accurate answers grounded in a curated automotive database covering 400+ vehicle models from 1976 to 2025. Oil specs, torque values, tire pressure, transmission fluid, spark plug gaps, DIY repair guides with tool lists and difficulty ratings, and symptom-based diagnostic troubleshooting. AUDIO DIAGNOSTICS (Pro) Record your engine sound. The AI analyzes the audio and identifies the problem such as knock, turbo failure, belt squeal, timing chain wear, transmission whine, VTEC rattle, and more. All processed on-device in seconds. PRIVACY FIRST Everything runs on your iPhone. No cloud servers. No accounts. No analytics. No tracking. Works in airplane mode. Your car problems are yours. FEATURES - Vehicle spec lookup (oil, torque, tire pressure, fluids) - DIY repair guides with tool lists and difficulty ratings - Symptom based diagnostic reasoning - Audio engine sound diagnosis - Aftermarket and mod guidance - Conversation history + Generate Report - Works fully offline after setup Requires iPhone with at least 6gb ram. Built by car enthusiasts.
Screenshots
Verdict
The clearest difference is in-app purchases: Miniprob at none against Check Engine Chat's 1. Miniprob also leads on iOS requirement (15.6 vs 26.2). Check Engine Chat's advantage is update cadence (fortnightly vs monthly). On price, ads and device support 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. Check Engine Chat sells 1 one-off in-app purchase. Miniprob asks for nothing beyond the download.
Miniprob ships an update monthly, Check Engine Chat fortnightly. The most recent releases landed on August 27, 2026 and September 10, 2026 respectively.
| Parameter | Miniprob | Check Engine Chat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 18 MB | 2.7 GB |
| Age rating | 4+ | 4+ |
| Developer | hector cairo | Yao Vah Saechao |
In-app purchases
Miniprob
No in-app purchases
Check Engine Chat
- Audio Diagnostics Pro$4.99
