# Sudoku Haven vs Lockstep

The clearest difference is ads: Lockstep at none against Sudoku Haven's shown. Lockstep also leads on update cadence (daily vs every 10 days). Sudoku Haven's advantage is device support (6 vs 4). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Sudoku Haven sells 1 one-off in-app purchase and Lockstep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sudoku Haven ships an update every 10 days, Lockstep daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | Sudoku Haven | Lockstep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sudoku-haven/id6775695069/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 193 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad, Apple TV, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Emu WTF](https://appshunter.io/developer/1885110363) | [Retra LLC](https://appshunter.io/developer/1871968502) |

## What reviewers say

### Sudoku Haven

[App page](https://appshunter.io/ios/app/sudoku-haven/id6775695069)

Enjoy a peaceful Sudoku experience with over 450,000 hand-graded puzzles, daily challenges, and 20 calming themes. Play offline with smart hints, built-in trainers, and progress tracking. Optional purchase removes ads and unlocks all features.

**Highlights:** 450,000+ hand-graded puzzles, Daily Challenge mode, 20 quiet themes, Offline play, Smart hints and trainers, Progress tracking and stats, Apple Watch and iMessage integration

**Features:** Family Sharing, Apple Watch app, iMessage stickers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $2.99 | one-time |


### Lockstep

[App page](https://appshunter.io/ios/app/lockstep-bead-puzzle/id6823479502)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lockstep Complete | $4.99 | one-time |


## Frequently asked questions

### Is Sudoku Haven free?

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

### Is Lockstep free?

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

### Do Sudoku Haven or Lockstep have ads?

Sudoku Haven shows ads; Lockstep does not.

### Which is updated more often, Sudoku Haven or Lockstep?

Sudoku Haven ships an update every 10 days, and Lockstep daily. Most recently, Sudoku Haven was updated on October 31, 2026 and Lockstep on October 31, 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.*