# Tabu Kelime Oyunu vs Sigma Fall

The clearest difference is update cadence: Sigma Fall at monthly against Tabu Kelime Oyunu's every 18 months. Sigma Fall also leads on iOS requirement (13.0 vs 15.6). 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.

Tabu Kelime Oyunu ships an update every 18 months, Sigma Fall monthly. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Tabu Kelime Oyunu | Sigma Fall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Monthly** |
| Size | 6 MB | 42 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nasuf OZGUR](https://appshunter.io/developer/1346113256) | [Samim Baydar](https://appshunter.io/developer/1868676225) |

## What reviewers say

### Tabu Kelime Oyunu

[App page](https://appshunter.io/ios/app/tabu-kelime-oyunu/id1465790429)

**In-app purchases:** none


### Sigma Fall

[App page](https://appshunter.io/ios/app/sigma-fall-math-game/id6757752252)

**In-app purchases:** none


## Frequently asked questions

### Is Tabu Kelime Oyunu free?

Tabu Kelime Oyunu is free to download, with no in-app purchases.

### Is Sigma Fall free?

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

### Do Tabu Kelime Oyunu or Sigma Fall have ads?

Neither Tabu Kelime Oyunu nor Sigma Fall shows ads.

### Which is updated more often, Tabu Kelime Oyunu or Sigma Fall?

Tabu Kelime Oyunu ships an update every 18 months, and Sigma Fall monthly. Most recently, Tabu Kelime Oyunu was updated on November 6, 2026 and Sigma Fall on November 9, 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.*