# Sudoku vs Tower Clock

The clearest difference is price: Sudoku at Free against Tower Clock's $1.99. Sudoku also leads on rating (4.7 vs 1.0) and update cadence (monthly vs every 23 months). Tower Clock's advantage is in-app purchases (none vs 11) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Sudoku is free to download; Tower Clock costs $1.99 up front. Sudoku sells 11 in-app purchases, starting at $0.99 per month. Tower Clock asks for nothing beyond the download.

Sudoku holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Sudoku has 59K ratings behind it against 1, so its average is the more settled of the two.

Sudoku ships an update monthly, Tower Clock every 23 months. The most recent releases landed on October 1, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Sudoku | Tower Clock |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (59K ratings)](https://appshunter.io/ios/app/sudoku/id398990729/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/tower-clock/id1620700280/reviews) |
| Number of ratings | **59K** | 1 |
| Positive reviews | 65.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 23 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 147 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Maple Media Apps, LLC](https://appshunter.io/developer/1289801633) | [Adam Kopec](https://appshunter.io/developer/1484248382) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku/id398990729)

Engage your mind with this classic Japanese logic puzzle. Offers multiple difficulty levels, customizable backgrounds, and unique emoji number options. Track progress and compete with others.

**Highlights:** Four difficulty settings, Customizable background colors, Emoji number option, Duplicate highlighting, Unlimited Undo/Redo, Autosave functionality, Leaderboards and achievements, Note-taking feature

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Monthly | $1.99 | per month |
| Sudoku Apps Bundle | $7.99 | per month |
| Premium Annual | $8.99 | per year |
| Sudoku Membership | $14.99 | per year |
| Sudoku Bundle | $14.99 | per month |
| Premium Annual | $14.99 | per year |
| Sudoku Apps Bundle | $64.99 | per year |
| Sudoku Apps Bundle | $99.99 | per year |
| Sudoku Bundle | $129.99 | per year |
| Disable Ads | $24.99 | one-time |

**What reviewers like**

- 🚀 Great game
- 👍 User-friendly interface
- 📊 Tracks stats and times
- 💡 Useful features like pencil mode
- 🧠 Challenges the brain

**What reviewers complain about**

- 🔍 Intrusive ads
- 💰 Expensive ad-free version
- 🐛 Crashes and freezes
- 🔋 Battery draining
- 🔇 Disrupts audio playback

**Reported bugs**

- Numbers getting stuck/grayed out
- Inconsistent difficulty levels
- Display issues on newer devices
- Crashes after updates

**Requested features**

- Dark mode option
- Customizable color themes
- Option to disable number highlighting
- Reset button that fully clears the board
- More granular difficulty levels


### Tower Clock

[App page](https://appshunter.io/ios/app/tower-clock/id1620700280)

A digital companion for physical brick-stacking games, this app introduces new rules and time-based challenges. Compete against friends and the clock in a fun, interactive way.

**Highlights:** Companion app for physical games, New game rules, Timed challenges, Multiplayer support, Stacking gameplay

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku free?

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

### Is Tower Clock free?

Tower Clock costs $1.99, with no in-app purchases.

### Which has better reviews, Sudoku or Tower Clock?

Sudoku is rated higher. Sudoku averages 4.7 out of 5 from 59K ratings, while Tower Clock averages 1.0 from 1 ratings.

### Do Sudoku or Tower Clock have ads?

Sudoku shows ads; Tower Clock does not.

### Which is updated more often, Sudoku or Tower Clock?

Sudoku ships an update monthly, and Tower Clock every 23 months. Most recently, Sudoku was updated on October 1, 2026 and Tower Clock on June 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.*