# Cryptarithms vs ATX Science Olympiad

The clearest difference is price: ATX Science Olympiad at Free against Cryptarithms's $1.99. ATX Science Olympiad also leads on update cadence (weekly vs every 41 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

ATX Science Olympiad is free to download; Cryptarithms costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Cryptarithms against 5.0 for ATX Science Olympiad. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Cryptarithms ships an update every 41 months, ATX Science Olympiad weekly. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Cryptarithms | ATX Science Olympiad |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cryptarithms/id609736978/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/atx-science-olympiad/id6759133064/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 20 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [ATX Science Olympiad](https://appshunter.io/developer/1877011714) |

## 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


### ATX Science Olympiad

[App page](https://appshunter.io/ios/app/atx-science-olympiad/id6759133064)

This app helps competitors manage their tournament day. Build your schedule, navigate the event venue, and stay informed with real-time updates.

**Highlights:** Build custom schedules, Navigate event campus, Receive tournament updates, Event day management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cryptarithms free?

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

### Is ATX Science Olympiad free?

ATX Science Olympiad is free to download, with no in-app purchases.

### Which has better reviews, Cryptarithms or ATX Science Olympiad?

Cryptarithms and ATX Science Olympiad are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Cryptarithms or ATX Science Olympiad have ads?

Neither Cryptarithms nor ATX Science Olympiad shows ads.

### Which is updated more often, Cryptarithms or ATX Science Olympiad?

Cryptarithms ships an update every 41 months, and ATX Science Olympiad weekly. Most recently, Cryptarithms was updated on October 8, 2026 and ATX Science Olympiad 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.*