# Cryptarithms vs UniUni ABC

The clearest difference is rating: Cryptarithms at 5.0 against UniUni ABC's 4.4. Cryptarithms also leads on price ($1.99 vs $3.99) and iOS requirement (12.0 vs 15.6). UniUni ABC's advantage is update cadence (every 3 months vs every 41 months) and ratings volume (5 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Cryptarithms costs $1.99 and UniUni ABC $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cryptarithms holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: UniUni ABC has 5 ratings behind it against 1, so its average is the more settled of the two.

Cryptarithms ships an update every 41 months, UniUni ABC every 3 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | Cryptarithms | UniUni ABC |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cryptarithms/id609736978/reviews)** | [4.4 (5 ratings)](https://appshunter.io/ios/app/uniuni-abc/id1018581462/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 7 MB | 700 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [Fuminori Homma](https://appshunter.io/developer/841485992) |

## What reviewers say

### Cryptarithms

[App page](https://appshunter.io/ios/app/cryptarithms/id609736978)

Solve challenging mathematical puzzles where letters represent digits in arithmetic equations. This app offers 90 cryptarithms with translations into six languages, requiring only basic math and logical reasoning skills.

**Highlights:** Letter-to-digit substitution puzzles, Logical reasoning challenges, Arithmetic equality solving, 90 unique cryptarithms, Translations into 6 languages

**Features:** macOS Compatibility

**In-app purchases:** none


### UniUni ABC

[App page](https://appshunter.io/ios/app/uniuni-abc/id1018581462)

This interactive app uses a virtual picture book format with vibrant visuals and professional audio to help children develop phonics and pronunciation skills. It features speech recognition technology for accurate practice and engaging animations to stimulate imagination.

**Highlights:** Interactive phonics and pronunciation practice, Speech recognition technology, Virtual picture book format, Vibrant 3D visuals and animations, Professional voice actor recordings, Guided listening and speaking exercises

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cryptarithms free?

Cryptarithms costs $1.99, with no in-app purchases.

### Is UniUni ABC free?

UniUni ABC costs $3.99, with no in-app purchases.

### Which has better reviews, Cryptarithms or UniUni ABC?

Cryptarithms is rated higher. Cryptarithms averages 5.0 out of 5 from 1 ratings, while UniUni ABC averages 4.4 from 5 ratings.

### Do Cryptarithms or UniUni ABC have ads?

Neither Cryptarithms nor UniUni ABC shows ads.

### Which is updated more often, Cryptarithms or UniUni ABC?

Cryptarithms ships an update every 41 months, and UniUni ABC every 3 months. Most recently, Cryptarithms was updated on October 8, 2026 and UniUni ABC on October 8, 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.*