# When.. vs AutoDoctor

The clearest difference is update cadence: When.. at every 2 months against AutoDoctor's every 5 months. AutoDoctor's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. When.. sells 4 one-off in-app purchases and AutoDoctor sells 1 in-app purchase, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

When.. ships an update every 2 months, AutoDoctor every 5 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | When.. | AutoDoctor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/autodoctor-obd2-car-scanner/id6753275707/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | — | Subscription |
| Size | 7 MB | 42 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Second Victor](https://appshunter.io/developer/1749093677) | [Gowalk - Fzco](https://appshunter.io/developer/1701769855) |

## What reviewers say

### When..

[App page](https://appshunter.io/ios/app/when/id6702031839)

**Features:** iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| Large Coffee | $2.99 | one-time |
| Lunch | $4.99 | one-time |
| Dinner | $9.99 | one-time |


### AutoDoctor

[App page](https://appshunter.io/ios/app/autodoctor-obd2-car-scanner/id6753275707)

Transform your smartphone into a powerful car diagnostic tool. Connect to your OBD2 scanner to read fault codes, clear warning lights, and monitor real-time engine data. Ideal for car enthusiasts and those looking to save on repair costs.

**Highlights:** Connect via Bluetooth/Wi-Fi OBD2 adapters, Read and clear fault codes, View live engine parameters, Detailed diagnostics, Works with most OBD2 vehicles, Real-time diagnostics, Advanced performance metrics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $4.99 | per 7 days |


## Frequently asked questions

### Is When.. free?

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

### Is AutoDoctor free?

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

### Do When.. or AutoDoctor have ads?

Neither When.. nor AutoDoctor shows ads.

### Which is updated more often, When.. or AutoDoctor?

When.. ships an update every 2 months, and AutoDoctor every 5 months. Most recently, When.. was updated on October 30, 2026 and AutoDoctor on October 24, 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.*