# Euclidea vs Cracking the Cryptic

The clearest difference is rating: Euclidea at 4.8 against Cracking the Cryptic's 4.4. Euclidea also leads on review sentiment (86% vs 72%) and ratings volume (931 vs 208). Cracking the Cryptic's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Euclidea sells 6 one-off in-app purchases and Cracking the Cryptic sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Euclidea holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 931 and 208 respectively. Written reviews point the same way: 86% of Euclidea's written reviews are positive against 72% of Cracking the Cryptic's.

Euclidea ships an update every 3 months, Cracking the Cryptic every 3 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Euclidea | Cracking the Cryptic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (931 ratings)](https://appshunter.io/ios/app/euclidea/id927914361/reviews)** | [4.4 (208 ratings)](https://appshunter.io/ios/app/cracking-the-cryptic/id1629992934/reviews) |
| Number of ratings | **931** | 208 |
| Positive reviews | **86.4% of reviews** | 72.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 223 MB | 234 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HORIS INTERNATIONAL LIMITED](https://appshunter.io/developer/646324304) | [Nick Carney](https://appshunter.io/developer/1434235673) |

## What reviewers say

### Euclidea

[App page](https://appshunter.io/ios/app/euclidea/id927914361)

Engage in geometric construction puzzles based on Euclidean principles. Solve increasingly difficult challenges using innovative tools, with options to explore, get hints, and compete with friends. Unlock new levels by earning stars or purchase an in-app item to remove restrictions.

**Highlights:** 156 geometric puzzle levels, 10 innovative construction tools, Explore mode with hints, Dynamic drag, zoom, and pan interface, Game Center competition, Unlockable tools and shortcuts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock the Rest Levels | $0.99 | one-time |
| Unlock the Rest Hints | $0.99 | one-time |
| Thanks to developers | $0.99 | one-time |
| Night Mode | $0.99 | one-time |
| Many thanks to developers | $4.99 | one-time |
| Many, many thanks to developers | $49.99 | one-time |

**What reviewers like**

- 🚀 Excellent interface
- 🚀 Smooth controls
- 👍 Challenging and engaging puzzles
- 👍 Helps learn and improve geometry skills
- 👍 No ads or in-app purchases

**What reviewers complain about**

- 🐛 App crashes on launch for some users
- 🐛 Circle tool not snapping to points properly
- 🐛 Solutions not always accepted even when correct
- 🔒 Locked levels require in-app purchases to access

**Reported bugs**

- App crashing on launch
- Circle tool not snapping to points
- Solutions not being accepted correctly

**Requested features**

- Offline mode support
- Ability to mark points on free draw
- Protractor feature
- More supplemental educational content
- Ability to see when multiple solutions exist


### Cracking the Cryptic

[App page](https://appshunter.io/ios/app/cracking-the-cryptic/id1629992934)

This app offers a curated collection of handcrafted Sudoku puzzles from world-renowned constructors. Explore classic and unique variants, with new puzzle packs released regularly. A free introductory pack is included with download.

**Highlights:** Handcrafted Sudoku puzzles, Curated by expert constructors, Classic and unique variants, Regularly released puzzle packs, Free introductory puzzle pack

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CTC Worms - James Sinclair | $0.99 | one-time |
| CTC Worms - Marty Sears | $0.99 | one-time |
| CTC Worms - Zetamath | $1.99 | one-time |
| CTC Worms - Blobz | $1.99 | one-time |
| CTC Worms - Michael Lefkowitz | $1.99 | one-time |
| CTC Worms - Phistomefel | $1.99 | one-time |
| GAS Volume #1 | $2.99 | one-time |
| GAS Volume #2 | $2.99 | one-time |
| CTC Approachable Sudoku #1 | $2.99 | one-time |
| Domino Sudoku Pack | $4.99 | one-time |
| Lines Variety Pack | $4.99 | one-time |
| Classic Volume #2 | $4.99 | one-time |
| CTC Fog Pack #1 | $4.99 | one-time |

**What reviewers like**

- 🚀 Best sudoku app
- 👍 Great variety of puzzles
- 👍 Excellent user interface
- 👍 Challenging and fun puzzles
- 👍 Constant updates with new puzzles

**What reviewers complain about**

- 🐛 Hints are often incorrect or unhelpful
- 🐛 Bugs and crashes, especially after updates
- 🔋 Battery draining issues
- 🔒 Too many in-app purchases required to access content

**Reported bugs**

- Puzzle progress and purchases disappearing after updates
- Incorrect rules or hints in certain puzzles
- Crashes and freezes, especially on older devices or Macs
- Inconsistent behavior when switching between portrait and landscape modes

**Requested features**

- Add more color options for pencil marking and highlighting
- Implement a way to clear progress or start puzzles from scratch
- Integrate all CTC apps into a single app for better organization
- Add keyboard support, especially on Mac
- Improve the quality and clarity of hints


## Frequently asked questions

### Is Euclidea free?

Euclidea is free to download, with in-app purchases available.

### Is Cracking the Cryptic free?

Cracking the Cryptic is free to download, with in-app purchases available.

### Which has better reviews, Euclidea or Cracking the Cryptic?

Euclidea is rated higher. Euclidea averages 4.8 out of 5 from 931 ratings, while Cracking the Cryptic averages 4.4 from 208 ratings.

### Do Euclidea or Cracking the Cryptic have ads?

Neither Euclidea nor Cracking the Cryptic shows ads.

### Which is updated more often, Euclidea or Cracking the Cryptic?

Euclidea ships an update every 3 months, and Cracking the Cryptic every 3 weeks. Most recently, Euclidea was updated on October 12, 2026 and Cracking the Cryptic on October 14, 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.*