# Cryptarithms vs Katolisitas Institute

The clearest difference is price: Katolisitas Institute at Free against Cryptarithms's $1.99. Katolisitas Institute also leads on update cadence (every 2 months vs every 41 months). Cryptarithms's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

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

Cryptarithms ships an update every 41 months, Katolisitas Institute every 2 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Cryptarithms | Katolisitas Institute |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cryptarithms/id609736978/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 7 MB | 112 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [KATOLISITAS, INC.](https://appshunter.io/developer/1585927347) |

## 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


### Katolisitas Institute

[App page](https://appshunter.io/ios/app/katolisitas-institute/id1585927345)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cryptarithms free?

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

### Is Katolisitas Institute free?

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

### Do Cryptarithms or Katolisitas Institute have ads?

Neither Cryptarithms nor Katolisitas Institute shows ads.

### Which is updated more often, Cryptarithms or Katolisitas Institute?

Cryptarithms ships an update every 41 months, and Katolisitas Institute every 2 months. Most recently, Cryptarithms was updated on October 8, 2026 and Katolisitas Institute on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*