# Green Science vs AppOff

The clearest difference is ads: Green Science at none against AppOff's shown. Green Science also leads on iOS requirement (15.5 vs 18.6). AppOff's advantage is update cadence (daily vs every 2 months). On price, 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.

Green Science ships an update every 2 months, AppOff daily. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Green Science | AppOff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Size | 56 MB | 36 MB |
| Requires iOS | **15.5** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZEY ENERJI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1772906289) | [ENGIN AYDINOGLU](https://appshunter.io/developer/6820708120) |

## What reviewers say

### Green Science

[App page](https://appshunter.io/ios/app/green-science/id6736655887)

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

**In-app purchases:** none


### AppOff

[App page](https://appshunter.io/ios/app/appoff-focus-and-control/id6820707728)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Green Science free?

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

### Is AppOff free?

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

### Do Green Science or AppOff have ads?

AppOff shows ads; Green Science does not.

### Which is updated more often, Green Science or AppOff?

Green Science ships an update every 2 months, and AppOff daily. Most recently, Green Science was updated on October 16, 2026 and AppOff on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*