# iWinPer vs CarChum

The clearest difference is price: CarChum at Free against iWinPer's $0.99. iWinPer's advantage is update cadence (every 3 months vs every 6 months) and iOS requirement (15 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

CarChum is free to download; iWinPer costs $0.99 up front. iWinPer sells 5 one-off in-app purchases and CarChum sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iWinPer ships an update every 3 months, CarChum every 6 months. The most recent releases landed on November 1, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | iWinPer | CarChum |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 25 MB | 1 MB |
| Requires iOS | **15** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [SYSTEM DATA SOFTWARE SRL](https://appshunter.io/developer/526739965) | [Radu Dan](https://appshunter.io/developer/1607436441) |

## What reviewers say

### iWinPer

[App page](https://appshunter.io/ios/app/iwinper/id526739962)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| spare parts database 7 days | $11.99 | one-time |
| spare parts database 1 month | $18.99 | one-time |
| spare parts database 3 months | $49.99 | one-time |
| spare parts database 6 months | $89.99 | one-time |
| spare parts database 1 year | $139.99 | one-time |


### CarChum

[App page](https://appshunter.io/ios/app/carchum/id6465991938)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Vehicle Pack | $2.99 | one-time |
| No Limit Pack | $8.99 | one-time |


## Frequently asked questions

### Is iWinPer free?

iWinPer costs $0.99, and also offers in-app purchases.

### Is CarChum free?

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

### Do iWinPer or CarChum have ads?

Neither iWinPer nor CarChum shows ads.

### Which is updated more often, iWinPer or CarChum?

iWinPer ships an update every 3 months, and CarChum every 6 months. Most recently, iWinPer was updated on November 1, 2026 and CarChum on November 12, 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.*