# MasterMind vs GridFill

The clearest difference is in-app purchases: MasterMind at none against GridFill's 1. MasterMind also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. GridFill sells 1 one-off in-app purchase. MasterMind asks for nothing beyond the download.

MasterMind ships an update every 5 days, GridFill every 4 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MasterMind | GridFill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/gridfill-endless-puzzle/id6745104855/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 16 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ali Miri](https://appshunter.io/developer/1789897643) | [Clayton Dunwell](https://appshunter.io/developer/1810765838) |

## What reviewers say

### MasterMind

[App page](https://appshunter.io/ios/app/mastermind-mind-challenge/id6744874019)

**Features:** macOS Compatibility

**In-app purchases:** none


### GridFill

[App page](https://appshunter.io/ios/app/gridfill-endless-puzzle/id6745104855)

Engage in an endlessly replayable puzzle game by fitting and rotating pieces to fill a grid. Enjoy a relaxing experience with optional timers and a clean, calming design. Unlock customization options with a one-time purchase.

**Highlights:** Infinite puzzles, Clean, calming design, Drag and rotate controls, Share solves and challenge friends, Optional timers, One-time unlock for customization

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $0.99 | one-time |


## Frequently asked questions

### Is MasterMind free?

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

### Is GridFill free?

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

### Do MasterMind or GridFill have ads?

GridFill shows ads; MasterMind does not.

### Which is updated more often, MasterMind or GridFill?

MasterMind ships an update every 5 days, and GridFill every 4 days. Most recently, MasterMind was updated on November 5, 2026 and GridFill on October 30, 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.*