# Sudoku's Round vs Countless Calming Cryptograms

The clearest difference is in-app purchases: Countless Calming Cryptograms at none against Sudoku's Round's 4. Countless Calming Cryptograms also leads on update cadence (every 9 days vs every 6 weeks). Sudoku's Round's advantage is ads (none vs shown) and ratings volume (663 vs 22). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Sudoku's Round sells 4 one-off in-app purchases. Countless Calming Cryptograms asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Sudoku's Round against 4.9 for Countless Calming Cryptograms. That said, the two scores are not equally well evidenced: Sudoku's Round has 663 ratings behind it against 22, so its average is the more settled of the two. Written reviews split almost evenly too, at 99% and 100% positive.

Sudoku's Round ships an update every 6 weeks, Countless Calming Cryptograms every 9 days. The most recent releases landed on September 28, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Sudoku's Round | Countless Calming Cryptograms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (663 ratings)](https://appshunter.io/ios/app/sudokus-round/id1109102683/reviews) | **[4.9 (22 ratings)](https://appshunter.io/ios/app/countless-calming-cryptograms/id6495967067/reviews)** |
| Number of ratings | **663** | 22 |
| Positive reviews | 99.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 89 MB |
| Requires iOS | **11.4** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Norman Basham](https://appshunter.io/developer/1710814251) | [David Michael Chatelain](https://appshunter.io/developer/1740866481) |

## What reviewers say

### Sudoku's Round

[App page](https://appshunter.io/ios/app/sudokus-round/id1109102683)

Enjoy a classic number puzzle game with a colorful twist. This app offers a streamlined, user-friendly experience for players of all skill levels, from beginners to experts. Immerse yourself in the joy of solving puzzles with customizable options.

**Highlights:** Classic Sudoku gameplay, Color customization, Adjustable difficulty levels, Streamlined touch interface, Customizable options

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mercury - 10 Rounds | $1.99 | one-time |
| Mars - 25  Rounds | $3.99 | one-time |
| Jupiter - 60 Rounds | $4.99 | one-time |
| Solar System - 95 Rounds | $7.99 | one-time |

**What reviewers like**

- 👍 Great game
- 👍 Relaxing and fun
- 👍 Excellent interface
- 👍 No ads
- 👍 Challenging levels

**What reviewers complain about**

- 🐛 Occasional difficulty with color visibility
- 🐛 Paid rounds not properly categorized by difficulty

**Reported bugs**

- Paid rounds randomly include easy/medium puzzles instead of only hard
- Occasional crashes or freezes

**Requested features**

- Option to clear all notes/pencil marks
- More variety in puzzle difficulty levels
- Timer/stats tracking feature


### Countless Calming Cryptograms

[App page](https://appshunter.io/ios/app/countless-calming-cryptograms/id6495967067)

Engage your logic and puzzle-solving skills with this word game. Decipher quotes by substituting letters, offering a relaxing mental workout. Enjoy daily challenges, endless puzzles, and customizable serene landscapes.

**Highlights:** Cryptogram puzzle solving, Daily and endless game modes, Hint system with Lotus Points, Customizable backgrounds and themes, Offline play capability, Brain training and logic development

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku's Round free?

Sudoku's Round is free to download, with in-app purchases available.

### Is Countless Calming Cryptograms free?

Countless Calming Cryptograms is free to download, with no in-app purchases.

### Which has better reviews, Sudoku's Round or Countless Calming Cryptograms?

Countless Calming Cryptograms is rated higher. Sudoku's Round averages 4.9 out of 5 from 663 ratings, while Countless Calming Cryptograms averages 4.9 from 22 ratings.

### Do Sudoku's Round or Countless Calming Cryptograms have ads?

Countless Calming Cryptograms shows ads; Sudoku's Round does not.

### Which is updated more often, Sudoku's Round or Countless Calming Cryptograms?

Sudoku's Round ships an update every 6 weeks, and Countless Calming Cryptograms every 9 days. Most recently, Sudoku's Round was updated on September 28, 2026 and Countless Calming Cryptograms on August 1, 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.*