# 72投 vs Recursion

The clearest difference is iOS requirement: Recursion at 9.0 against 72投's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

72投 ships an update every 2 weeks, Recursion every 3 weeks. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 72投 | Recursion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 133 MB | 35 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Kaiyu Trade Co., Ltd.](https://appshunter.io/developer/1392907300) | [少鹏 李](https://appshunter.io/developer/1631826684) |

## What reviewers say

### 72投

[App page](https://appshunter.io/ios/app/72/id1449228373)

**In-app purchases:** none


### Recursion

[App page](https://appshunter.io/ios/app/recursion/id6443852888)

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

**In-app purchases:** none


## Frequently asked questions

### Is 72投 free?

72投 is free to download, with no in-app purchases.

### Is Recursion free?

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

### Do 72投 or Recursion have ads?

Neither 72投 nor Recursion shows ads.

### Which is updated more often, 72投 or Recursion?

72投 ships an update every 2 weeks, and Recursion every 3 weeks. Most recently, 72投 was updated on October 18, 2026 and Recursion on October 4, 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.*