# Sudoku (No Limits) vs Surge

The clearest difference is update cadence: Surge at fortnightly against Sudoku (No Limits)'s every 7 months. Surge also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sudoku (No Limits) sells 2 in-app purchases, starting at $0.99 per 3 months and Surge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sudoku (No Limits) ships an update every 7 months, Surge fortnightly. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Sudoku (No Limits) | Surge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8.4K ratings)](https://appshunter.io/ios/app/sudoku-no-limits/id307466242/reviews)** | — |
| Number of ratings | **8.4K** | — |
| Positive reviews | 93.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 47 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [genina.com](https://appshunter.io/developer/307466245) | [Gagan Chawla](https://appshunter.io/developer/1879999402) |

## What reviewers say

### Sudoku (No Limits)

[App page](https://appshunter.io/ios/app/sudoku-no-limits/id307466242)

This app offers a digital Sudoku experience with multiple difficulty levels and input modes. It includes features like pencil marks, intelligent hints, and auto-saving, allowing you to track progress and compete with others online.

**Highlights:** 4 difficulty levels, 3 input modes, Pencil marks with auto fill/erase, Highlighting options, Intelligent hints, Online progress tracking, Real-time competitions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free quarterly | $0.99 | per 3 months |
| Ad-free yearly | $2.99 | per year |


### Surge

[App page](https://appshunter.io/ios/app/surge-precision-reflex/id6760904482)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Sudoku (No Limits) free?

Sudoku (No Limits) is free to download, with in-app purchases available.

### Is Surge free?

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

### Do Sudoku (No Limits) or Surge have ads?

Both Sudoku (No Limits) and Surge show ads.

### Which is updated more often, Sudoku (No Limits) or Surge?

Sudoku (No Limits) ships an update every 7 months, and Surge fortnightly. Most recently, Sudoku (No Limits) was updated on October 26, 2026 and Surge on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*