# Twindow vs Flow

The clearest difference is in-app purchases: Flow at none against Twindow's 1. Flow also leads on ads (none vs shown). Twindow's advantage is iOS requirement (16.4 vs 18.6). On price, update cadence and device support there is nothing between them.

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

Twindow ships an update every 5 days, Flow weekly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Twindow | Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/twindow-find-the-difference/id6801139744/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 101 MB | 1 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ozkan Yilmaz](https://appshunter.io/developer/1708878442) | [Oleg Grinevich](https://appshunter.io/developer/6782033000) |

## What reviewers say

### Twindow

[App page](https://appshunter.io/ios/app/twindow-find-the-difference/id6801139744)

A relaxing spot-the-difference game with no time limits or penalties for wrong taps. Enjoy beautifully crafted scenes and a new daily challenge, playable offline.

**Highlights:** No time limits, No penalties for wrong taps, Daily scenes, Offline play, Carefully designed differences, Colorblind friendly

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Flow

[App page](https://appshunter.io/ios/app/flow-connect-dots-puzzle/id6804054280)

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

**In-app purchases:** none


## Frequently asked questions

### Is Twindow free?

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

### Is Flow free?

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

### Do Twindow or Flow have ads?

Twindow shows ads; Flow does not.

### Which is updated more often, Twindow or Flow?

Twindow ships an update every 5 days, and Flow weekly. Most recently, Twindow was updated on October 29, 2026 and Flow on October 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.*