# ∞ Sudoku ∞ vs Simple Anime Tracker

The clearest difference is monetization model: Simple Anime Tracker at free against ∞ Sudoku ∞'s paid. Simple Anime Tracker also leads on rating (5.0 vs 4.5). ∞ Sudoku ∞'s advantage is iOS requirement (16.6 vs 18.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simple Anime Tracker holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

∞ Sudoku ∞ ships an update every 12 months, Simple Anime Tracker every 7 months. The most recent releases landed on September 29, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | ∞ Sudoku ∞ | Simple Anime Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/sudoku/id625720673/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-anime-tracker/id6741404945/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 12 MB | 5 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [Robert Wood](https://appshunter.io/developer/1490791786) |

## What reviewers say

### ∞ Sudoku ∞

[App page](https://appshunter.io/ios/app/sudoku/id625720673)

This application offers a dynamic Sudoku experience with an infinite number of puzzles. It features auto-save functionality and five distinct difficulty levels to challenge players of all skill sets. Enjoy endless Sudoku fun on your iOS devices.

**Highlights:** Dynamically generating puzzles, Auto save, Five difficulty levels, Infinite gameplay

**In-app purchases:** none


### Simple Anime Tracker

[App page](https://appshunter.io/ios/app/simple-anime-tracker/id6741404945)

Easily manage your anime watchlist with a clean and intuitive interface. Mark episodes as watched, started, or completed to stay organized. This app offers a straightforward way to track your anime journey without unnecessary clutter.

**Highlights:** Effortless tracking (Not Watched, Started, Completed), Minimal and intuitive design, Quick search and updates, Organize anime watchlist, No episode tracking

**In-app purchases:** none


## Frequently asked questions

### Is ∞ Sudoku ∞ free?

∞ Sudoku ∞ is free to download, with no in-app purchases.

### Is Simple Anime Tracker free?

Simple Anime Tracker is free to download, with no in-app purchases.

### Which has better reviews, ∞ Sudoku ∞ or Simple Anime Tracker?

Simple Anime Tracker is rated higher. ∞ Sudoku ∞ averages 4.5 out of 5 from 2 ratings, while Simple Anime Tracker averages 5.0 from 1 ratings.

### Do ∞ Sudoku ∞ or Simple Anime Tracker have ads?

Both ∞ Sudoku ∞ and Simple Anime Tracker show ads.

### Which is updated more often, ∞ Sudoku ∞ or Simple Anime Tracker?

∞ Sudoku ∞ ships an update every 12 months, and Simple Anime Tracker every 7 months. Most recently, ∞ Sudoku ∞ was updated on September 29, 2026 and Simple Anime Tracker on September 6, 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.*