# Difference Detective vs Solitaire Oasis

The clearest difference is in-app purchases: Difference Detective at none against Solitaire Oasis's 8. Difference Detective also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Solitaire Oasis sells 8 one-off in-app purchases. Difference Detective asks for nothing beyond the download.

Difference Detective ships an update every 3 weeks, Solitaire Oasis every 4 weeks. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Difference Detective | Solitaire Oasis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/solitaire-oasis/id6747734182/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 185 MB | 178 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [长城 缪](https://appshunter.io/developer/1815974426) | [HONG KONG LANQIAO TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1516956539) |

## What reviewers say

### Difference Detective

[App page](https://appshunter.io/ios/app/difference-detective-spot-it/id6746324070)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solitaire Oasis

[App page](https://appshunter.io/ios/app/solitaire-oasis/id6747734182)

Experience classic Klondike Solitaire in a serene and visually appealing environment. Perfect for unwinding or a quick mental break, this game offers a timeless card-playing escape with helpful features.

**Highlights:** Classic Klondike Solitaire gameplay, Clean, minimal, and relaxing design, Unlimited undos, Helpful hints, Game statistics tracking, Timeless card game experience

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tiny Bundle | $2.99 | one-time |
| Small Bundle | $4.99 | one-time |
| Small Package | $5.99 | one-time |
| Middle Package | $7.99 | one-time |
| Middle Bundle | $9.99 | one-time |
| Large Bundle | $19.99 | one-time |
| Huge Bundle | $49.99 | one-time |
| Supper Bundle | $99.99 | one-time |


## Frequently asked questions

### Is Difference Detective free?

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

### Is Solitaire Oasis free?

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

### Do Difference Detective or Solitaire Oasis have ads?

Solitaire Oasis shows ads; Difference Detective does not.

### Which is updated more often, Difference Detective or Solitaire Oasis?

Difference Detective ships an update every 3 weeks, and Solitaire Oasis every 4 weeks. Most recently, Difference Detective was updated on September 21, 2026 and Solitaire Oasis on October 1, 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.*