# xTafnit vs Weizmann IB

The clearest difference is update cadence: Weizmann IB at every 6 days against xTafnit's every 12 months. xTafnit'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.

xTafnit ships an update every 12 months, Weizmann IB every 6 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | xTafnit | Weizmann IB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 days** |
| Size | 9 MB | 34 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [xTafnit](https://appshunter.io/developer/979962554) | [Weizmann Institute of Science](https://appshunter.io/developer/533002684) |

## What reviewers say

### xTafnit

[App page](https://appshunter.io/ios/app/xtafnit/id979962555)

**Features:** macOS Compatibility

**In-app purchases:** none


### Weizmann IB

[App page](https://appshunter.io/ios/app/weizmann-ib/id6501986846)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is xTafnit free?

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

### Is Weizmann IB free?

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

### Do xTafnit or Weizmann IB have ads?

Neither xTafnit nor Weizmann IB shows ads.

### Which is updated more often, xTafnit or Weizmann IB?

xTafnit ships an update every 12 months, and Weizmann IB every 6 days. Most recently, xTafnit was updated on October 2, 2026 and Weizmann IB on September 30, 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.*