# KenKen Classic vs JT's Mathmory

The clearest difference is in-app purchases: JT's Mathmory at none against KenKen Classic's 6. JT's Mathmory also leads on update cadence (every 9 days vs every 4 months) and rating (5.0 vs 4.6). KenKen Classic's advantage is ratings volume (3.2K vs 3) and iOS requirement (12.1 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. KenKen Classic sells 6 in-app purchases, starting at $19.99 per year. JT's Mathmory asks for nothing beyond the download.

JT's Mathmory holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: KenKen Classic has 3.2K ratings behind it against 3, so its average is the more settled of the two.

KenKen Classic ships an update every 4 months, JT's Mathmory every 9 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KenKen Classic | JT's Mathmory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.2K ratings)](https://appshunter.io/ios/app/kenken-classic/id485694706/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/jts-mathmory/id6752426087/reviews)** |
| Number of ratings | **3.2K** | 3 |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 40 MB | 33 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KenKen Puzzle](https://appshunter.io/developer/485694769) | [Johnie Rodgers](https://appshunter.io/developer/1542286519) |

## What reviewers say

### KenKen Classic

[App page](https://appshunter.io/ios/app/kenken-classic/id485694706)

Engage your mind with this addictive logic and math puzzle game. It offers a virtually unlimited supply of challenges with adjustable difficulty and grid sizes. Enjoy a fun way to train your brain with a trusted source of daily puzzles.

**Highlights:** Unlimited puzzles, Adjustable difficulty and grid size, Multiple input modes, Hints, Undo, Redo, Reset, Online leaderboards, Color schemes and music options

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Year Subscription NO ADS! | $19.99 | per year |
| 500 KenKen toKENs | $0.99 | one-time |
| 31 Puzzles PLUS removal of all ads! | $1.99 | one-time |
| 250 Puzzles PLUS removal of all ads! | $7.99 | one-time |
| 1000 Puzzles PLUS removal of all ads! | $14.99 | one-time |
| Annual Unlimited Subscription - Ad Free | $19.99 | one-time |

**What reviewers like**

- 👍 Fun and challenging puzzles
- 🧠 Helps improve math and logic skills
- ⭐ Great variety of puzzle sizes and difficulties
- 🏆 Satisfying to solve puzzles
- 💻 Clean and intuitive user interface

**What reviewers complain about**

- 🔒 Limited number of free puzzles
- 💰 Expensive in-app purchases for more puzzles
- 🐛 Buggy undo/redo functionality
- 🔀 Cursor/selection issues when switching between note-taking and number entry
- 📢 Intrusive ads

**Reported bugs**

- Puzzles disappearing after device reset or upgrade
- Purchased puzzles not syncing across devices
- App crashing or freezing

**Requested features**

- Dark mode option
- Ability to save and revert puzzle progress
- No-op puzzles for advanced players
- Improved puzzle loading and syncing across devices


### 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 KenKen Classic free?

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

### Is JT's Mathmory free?

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

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

JT's Mathmory is rated higher. KenKen Classic averages 4.6 out of 5 from 3.2K ratings, while JT's Mathmory averages 5.0 from 3 ratings.

### Do KenKen Classic or JT's Mathmory have ads?

Both KenKen Classic and JT's Mathmory show ads.

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

KenKen Classic ships an update every 4 months, and JT's Mathmory every 9 days. Most recently, KenKen Classic was updated on October 29, 2026 and JT's Mathmory on October 24, 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.*