# Document Scanner by Proofme vs CarCoding

The clearest difference is in-app purchases: Document Scanner by Proofme at none against CarCoding's 3. Document Scanner by Proofme also leads on iOS requirement (13.0 vs 15.1). CarCoding's advantage is update cadence (daily vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. CarCoding sells 3 in-app purchases, starting at $2.49 per month. Document Scanner by Proofme asks for nothing beyond the download.

Document Scanner by Proofme ships an update monthly, CarCoding daily. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Document Scanner by Proofme | CarCoding |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/carcoding-obd2-car-scanner/id6759403080/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Freemium |
| Size | 93 MB | 88 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Didux.io B.V.](https://appshunter.io/developer/1435579499) | [Mustafa YILMAZ](https://appshunter.io/developer/1491589580) |

## What reviewers say

### Document Scanner by Proofme

[App page](https://appshunter.io/ios/app/document-scanner-by-proofme/id6468586866)

**Features:** macOS Compatibility

**In-app purchases:** none


### CarCoding

[App page](https://appshunter.io/ios/app/carcoding-obd2-car-scanner/id6759403080)

This app acts as an OBD2 scanner, providing diagnostics, live data, and ECU coding for your vehicle. It helps you understand check engine lights, clear codes, monitor engine performance, and access hidden car features. Supports ELM327 adapters and offers AI-powered repair assistance.

**Highlights:** OBD2 diagnostics and fault code clearing, AI repair assistant for code explanations, Live engine data with customizable gauges, ECU coding and access to hidden features, Apple CarPlay and Siri integration, Vehicle compatibility checks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CarCoding Pro Monthly | $2.49 | per month |
| CarCoding Pro Annual | $19.99 | per year |
| CarCoding Pro – Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Document Scanner by Proofme free?

Document Scanner by Proofme is free to download, with no in-app purchases.

### Is CarCoding free?

CarCoding is free to download, with in-app purchases available.

### Do Document Scanner by Proofme or CarCoding have ads?

Neither Document Scanner by Proofme nor CarCoding shows ads.

### Which is updated more often, Document Scanner by Proofme or CarCoding?

Document Scanner by Proofme ships an update monthly, and CarCoding daily. Most recently, Document Scanner by Proofme was updated on September 9, 2026 and CarCoding on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*