# 多多计算器 vs Pic Scanner app

The clearest difference is in-app purchases: 多多计算器 at none against Pic Scanner app's 6. 多多计算器 also leads on iOS requirement (12.0 vs 15.0). Pic Scanner app's advantage is update cadence (every 6 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Pic Scanner app sells 6 in-app purchases, starting at $2.99 per month. 多多计算器 asks for nothing beyond the download.

多多计算器 ships an update every 7 months, Pic Scanner app every 6 weeks. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 多多计算器 | Pic Scanner app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Size | 26 MB | 163 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [清华 钟](https://appshunter.io/developer/1503192280) | [铭楷 杨](https://appshunter.io/developer/1787282515) |

## What reviewers say

### 多多计算器

[App page](https://appshunter.io/ios/app/id1504096520)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pic Scanner app

[App page](https://appshunter.io/ios/app/pic-scanner-app/id1593131594)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $2.99 | per month |
| 连续包月高级会员 | $4.49 | per month |
| 连续包季会员 | $6.99 | per 3 months |
| 连续包季高级会员 | $8.99 | per 3 months |
| 连续包年高级会员 | $14.99 | per year |
| 连续包年会员 | $14.99 | per year |


## Frequently asked questions

### Is 多多计算器 free?

多多计算器 is free to download, with no in-app purchases.

### Is Pic Scanner app free?

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

### Do 多多计算器 or Pic Scanner app have ads?

Neither 多多计算器 nor Pic Scanner app shows ads.

### Which is updated more often, 多多计算器 or Pic Scanner app?

多多计算器 ships an update every 7 months, and Pic Scanner app every 6 weeks. Most recently, 多多计算器 was updated on October 3, 2026 and Pic Scanner app on October 15, 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.*