# iDim vs 用车记账

The clearest difference is in-app purchases: iDim at none against 用车记账's 3. iDim also leads on iOS requirement (12.0 vs 15.0). 用车记账's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. 用车记账 sells 3 one-off in-app purchases. iDim asks for nothing beyond the download.

iDim ships an update every 7 months, 用车记账 every 3 weeks. The most recent releases landed on September 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iDim | 用车记账 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 188 MB | 35 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Overseas Design Technology Company Limited](https://appshunter.io/developer/1782854018) | [宗挺 罗](https://appshunter.io/developer/1655103859) |

## What reviewers say

### iDim

[App page](https://appshunter.io/ios/app/idim/id6738907345)

**In-app purchases:** none


### 用车记账

[App page](https://appshunter.io/ios/app/and/id6748943679)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent Member | $0.99 | one-time |
| Permanent Member | $3.99 | one-time |
| Permanent Member | $4.99 | one-time |


## Frequently asked questions

### Is iDim free?

iDim is free to download, with no in-app purchases.

### Is 用车记账 free?

用车记账 is free to download, with in-app purchases available.

### Do iDim or 用车记账 have ads?

Neither iDim nor 用车记账 shows ads.

### Which is updated more often, iDim or 用车记账?

iDim ships an update every 7 months, and 用车记账 every 3 weeks. Most recently, iDim was updated on September 11, 2026 and 用车记账 on October 10, 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.*