# DiffMaster vs Loomstone

The clearest difference is in-app purchases: DiffMaster at none against Loomstone's 1. DiffMaster also leads on iOS requirement (15.0 vs 17.0). Loomstone's advantage is ads (none vs shown) and update cadence (weekly vs fortnightly). On price and device support there is nothing between them.

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

DiffMaster ships an update fortnightly, Loomstone weekly. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DiffMaster | Loomstone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/diffmaster-spot-difference/id6778729497/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 149 MB | 171 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GoEun Choi](https://appshunter.io/developer/1526619924) | [Ed Caspersen](https://appshunter.io/developer/1892924299) |

## What reviewers say

### DiffMaster

[App page](https://appshunter.io/ios/app/diffmaster-spot-difference/id6778729497)

This game offers a relaxing visual puzzle experience with charming illustrations and no time pressure. It's designed for casual gamers seeking a stress-free way to unwind and enjoy a gentle brain workout, playable offline anywhere.

**Highlights:** Calm and relaxing gameplay with no timer, Gentle brain workout, Cute and cozy artwork, Playable offline anywhere, Continuous new content updates, Easy zoom feature for detailed inspection

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

**In-app purchases:** none


### Loomstone

[App page](https://appshunter.io/ios/app/loomstone/id6788248103)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $2.99 | one-time |


## Frequently asked questions

### Is DiffMaster free?

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

### Is Loomstone free?

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

### Do DiffMaster or Loomstone have ads?

DiffMaster shows ads; Loomstone does not.

### Which is updated more often, DiffMaster or Loomstone?

DiffMaster ships an update fortnightly, and Loomstone weekly. Most recently, DiffMaster was updated on October 7, 2026 and Loomstone on September 29, 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.*