# Octothink vs Mind on Math

The clearest difference is rating: Mind on Math at 3.0 against Octothink's 2.3. Mind on Math also leads on update cadence (every 11 days vs monthly). Octothink's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Octothink sells 11 in-app purchases, starting at $5.99 per month and Mind on Math sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mind on Math holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Octothink ships an update monthly, Mind on Math every 11 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Octothink | Mind on Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/octothink/id1494144794/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/mind-on-math-solve-and-train/id6746635205/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 727 MB | 172 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Absolutely Digital](https://appshunter.io/developer/1297918392) | [T7 GAMES](https://appshunter.io/developer/1521389744) |

## What reviewers say

### Octothink

[App page](https://appshunter.io/ios/app/octothink/id1494144794)

This application offers a variety of puzzles and riddles designed to stimulate cognitive skills like memory, attention, and multitasking. It features multiple difficulty levels and a training dashboard to track progress. Compete with others on a global leaderboard.

**Highlights:** Cognitive skill stimulation, Enigmas, puzzles, and riddles, Memory, attention, multitasking training, Three difficulty levels, Progress tracking dashboard, International leaderboard

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $5.99 | per month |
| Annual Subscription | $39.99 | per year |
| 10 Gems | $0.99 | one-time |
| Silver Pack | $4.99 | one-time |
| 60 Gems | $4.99 | one-time |
| 175 Gems | $14.99 | one-time |
| 250 Gems | $19.99 | one-time |
| Golden Pack | $39.99 | one-time |
| 600 Gems | $49.99 | one-time |
| Diamond Pack | $90.00 | one-time |
| 1500 Gems | $99.99 | one-time |


### Mind on Math

[App page](https://appshunter.io/ios/app/mind-on-math-solve-and-train/id6746635205)

A relaxing puzzle game that combines number logic with crossword-style grids. Solve basic math equations to fill in the puzzle, offering a calm yet challenging brain-training experience for number enthusiasts.

**Highlights:** Number-based crossword puzzles, Basic arithmetic clues, Hundreds of handcrafted puzzles, Multiple difficulty levels, No timers or pressure, Gentle hint system, Minimalist design

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Package | $1.99 | one-time |
| Remove ads | $6.99 | one-time |
| Remove ads | $9.99 | one-time |


## Frequently asked questions

### Is Octothink free?

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

### Is Mind on Math free?

Mind on Math is free to download, with in-app purchases available.

### Which has better reviews, Octothink or Mind on Math?

Mind on Math is rated higher. Octothink averages 2.3 out of 5 from 3 ratings, while Mind on Math averages 3.0 from 1 ratings.

### Do Octothink or Mind on Math have ads?

Both Octothink and Mind on Math show ads.

### Which is updated more often, Octothink or Mind on Math?

Octothink ships an update monthly, and Mind on Math every 11 days. Most recently, Octothink was updated on October 25, 2026 and Mind on Math 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.*