# Pure vs Number Riddle

The clearest difference is update cadence: Number Riddle at fortnightly against Pure's monthly. On price, review sentiment, ads and in-app purchases there is nothing between them.

Pure costs $0.99 and Number Riddle $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pure ships an update monthly, Number Riddle fortnightly. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Pure | Number Riddle |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 25 MB | 7 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [又瑞 韦](https://appshunter.io/developer/1625836878) | [坡 王](https://appshunter.io/developer/1551750977) |

## What reviewers say

### Pure

[App page](https://appshunter.io/ios/app/pure-sudoku/id6751444374)

Enjoy classic 9x9 Sudoku puzzles without interruptions. This game offers multiple difficulty levels, step-by-step hints, and candidate number marking. Play offline with a variety of puzzles, including 17-clue challenges.

**Highlights:** Classic 9x9 Sudoku, Ad-free experience, Multiple difficulty levels, Step-by-step hints, Candidate number marking, Offline play, 1000 questions per level

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

**In-app purchases:** none


### Number Riddle

[App page](https://appshunter.io/ios/app/number-riddle-crack-the-code/id6764214227)

A logic-based deduction game where you uncover a hidden 3-digit code using limited clues and precise feedback. It offers quick gameplay sessions perfect for brain training and challenging your reasoning skills.

**Highlights:** Classic logic-based gameplay, Quick play sessions, Clear feedback system, Multiple difficulty levels, Level Mode, Daily Challenge

**In-app purchases:** none


## Frequently asked questions

### Is Pure free?

Pure costs $0.99, with no in-app purchases.

### Is Number Riddle free?

Number Riddle costs $0.99, with no in-app purchases.

### Do Pure or Number Riddle have ads?

Neither Pure nor Number Riddle shows ads.

### Which is updated more often, Pure or Number Riddle?

Pure ships an update monthly, and Number Riddle fortnightly. Most recently, Pure was updated on November 8, 2026 and Number Riddle on November 9, 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.*