# atLEAF vs Introlab

The clearest difference is update cadence: Introlab at every 2 months against atLEAF's every 44 months. atLEAF's advantage is iOS requirement (12.0 vs 14.0.0). On price, ads, in-app purchases and device support there is nothing between them.

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

atLEAF ships an update every 44 months, Introlab every 2 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | atLEAF | Introlab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 2 months** |
| Size | 26 MB | 56 MB |
| Requires iOS | **12.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FT GREEN LLC](https://appshunter.io/developer/1431748042) | [TCEI](https://appshunter.io/developer/1709926981) |

## What reviewers say

### atLEAF

[App page](https://appshunter.io/ios/app/atleaf/id1431748043)

**Features:** macOS Compatibility

**In-app purchases:** none


### Introlab

[App page](https://appshunter.io/ios/app/introlab/id6468456535)

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

**In-app purchases:** none


## Frequently asked questions

### Is atLEAF free?

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

### Is Introlab free?

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

### Do atLEAF or Introlab have ads?

Neither atLEAF nor Introlab shows ads.

### Which is updated more often, atLEAF or Introlab?

atLEAF ships an update every 44 months, and Introlab every 2 months. Most recently, atLEAF was updated on September 17, 2026 and Introlab on September 16, 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.*