# Sudoktor vs JT's Mathmory

The clearest difference is price: JT's Mathmory at Free against Sudoktor's $0.99. JT's Mathmory also leads on rating (5.0 vs 3.0) and update cadence (every 9 days vs every 36 months). Sudoktor's advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.1). On ratings volume, in-app purchases and device support there is nothing between them.

JT's Mathmory is free to download; Sudoktor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JT's Mathmory holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

Sudoktor ships an update every 36 months, JT's Mathmory every 9 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sudoktor | JT's Mathmory |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/sudoktor/id673673295/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/jts-mathmory/id6752426087/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | **Every 9 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 2 MB | 33 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TablEdit](https://appshunter.io/developer/492060416) | [Johnie Rodgers](https://appshunter.io/developer/1542286519) |

## What reviewers say

### Sudoktor

[App page](https://appshunter.io/ios/app/sudoktor/id673673295)

This app assists in solving Sudoku puzzles, offering features to generate unlimited puzzles of varying difficulty, analyze existing ones, and provide detailed solving strategies. It allows manual puzzle entry and includes advanced tools for a deeper understanding of Sudoku mechanics.

**Highlights:** Generates unlimited Sudoku puzzles, Rates puzzle difficulty, Manual puzzle entry and copy-paste, Automatic pencil mark updates, Full Undo/Redo functionality, Advanced analysis (candidates, subsets, chains)

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

**In-app purchases:** none


### JT's Mathmory

[App page](https://appshunter.io/ios/app/jts-mathmory/id6752426087)

This game challenges your memory and math skills by presenting equations. You need to recall if the solution or the exact equation has appeared previously. It's a unique blend of arithmetic and recall.

**Highlights:** Equation presentation, Solution recall, Exact equation memory, Arithmetic challenges, Progressive difficulty

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoktor free?

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

### Is JT's Mathmory free?

JT's Mathmory is free to download, with no in-app purchases.

### Which has better reviews, Sudoktor or JT's Mathmory?

JT's Mathmory is rated higher. Sudoktor averages 3.0 out of 5 from 6 ratings, while JT's Mathmory averages 5.0 from 3 ratings.

### Do Sudoktor or JT's Mathmory have ads?

JT's Mathmory shows ads; Sudoktor does not.

### Which is updated more often, Sudoktor or JT's Mathmory?

Sudoktor ships an update every 36 months, and JT's Mathmory every 9 days. Most recently, Sudoktor was updated on October 2, 2026 and JT's Mathmory on October 14, 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.*