# ShiFuML vs NumBool

The clearest difference is rating: ShiFuML at 5.0 against NumBool's 3.0. ShiFuML also leads on iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

ShiFuML holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ShiFuML ships an update weekly, NumBool every 5 days. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ShiFuML | NumBool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shifuml/id1471135952/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/numbool/id6444843264/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 61 MB | 10 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IVèS](https://appshunter.io/developer/633401752) | [Furkan Bozgoz](https://appshunter.io/developer/1585153052) |

## What reviewers say

### ShiFuML

[App page](https://appshunter.io/ios/app/shifuml/id1471135952)

This game uses machine learning to recognize hand signs for a unique Rock Paper Scissors experience. Challenge friends via iMessage and contribute to technology for the deaf and hard of hearing.

**Highlights:** Machine learning sign recognition, Rock Paper Scissors gameplay, iMessage extension for challenges, Contribute to accessibility technology, Instant sign recognition

**Features:** macOS Compatibility

**In-app purchases:** none


### NumBool

[App page](https://appshunter.io/ios/app/numbool/id6444843264)

Engage in a competitive logic game where players guess each other's secret 5-digit sequences. Hone your deductive skills in a practice mode or challenge friends directly. Climb the leaderboards and prove your strategic prowess.

**Highlights:** Multiplayer logic challenges, Guess opponent's digit sequence, Practice mode for skill development, Friend invitations, Ranking table for stats comparison, Matchmaking feature

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ShiFuML free?

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

### Is NumBool free?

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

### Which has better reviews, ShiFuML or NumBool?

ShiFuML is rated higher. ShiFuML averages 5.0 out of 5 from 1 ratings, while NumBool averages 3.0 from 1 ratings.

### Do ShiFuML or NumBool have ads?

Neither ShiFuML nor NumBool shows ads.

### Which is updated more often, ShiFuML or NumBool?

ShiFuML ships an update weekly, and NumBool every 5 days. Most recently, ShiFuML was updated on September 29, 2026 and NumBool 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.*