# Sci vs Joninn

The clearest difference is update cadence: Sci at every 5 weeks against Joninn's every 8 months. Joninn's advantage is iOS requirement (10.0 vs 13.0). 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.

Sci ships an update every 5 weeks, Joninn every 8 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sci | Joninn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Size | 88 MB | 5 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) | [Jonsman Innovation ApS](https://appshunter.io/developer/1214623937) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-lab/id1197726221)

**In-app purchases:** none


### Joninn

[App page](https://appshunter.io/ios/app/joninn-contact-angles/id1214623938)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is Joninn free?

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

### Do Sci or Joninn have ads?

Neither Sci nor Joninn shows ads.

### Which is updated more often, Sci or Joninn?

Sci ships an update every 5 weeks, and Joninn every 8 months. Most recently, Sci was updated on October 17, 2026 and Joninn on October 3, 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.*