# Focus Stacks vs Twin

The clearest difference is price: Twin at Free against Focus Stacks's $4.99. Twin also leads on ratings volume (4 vs 1). Focus Stacks's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Twin is free to download; Focus Stacks costs $4.99 up front. Twin sells 2 in-app purchases, starting at $1.99 per month. Focus Stacks asks for nothing beyond the download.

Focus Stacks holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Focus Stacks ships an update weekly, Twin fortnightly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Focus Stacks | Twin |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/focus-stacks/id6478795096/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/twin-scans-for-passthrough/id6499172465/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Vision Pro | **iPhone, iPad, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Despres](https://appshunter.io/developer/1525630876) | [1984 LLC](https://appshunter.io/developer/1089433935) |

## What reviewers say

### Focus Stacks

[App page](https://appshunter.io/ios/app/focus-stacks/id6478795096)

Organize your tasks and ideas with a visually appealing, card-based system. Capture everything, customize with colors, add detailed notes, and sync across devices. Never let a task or idea slip away again.

**Highlights:** Capture every task easily, Customize lists with colors, Attach detailed notes to tasks, Automatic iCloud syncing, Card-based design

**Features:** macOS Compatibility

**In-app purchases:** none


### Twin

[App page](https://appshunter.io/ios/app/twin-scans-for-passthrough/id6499172465)

Create 3D digital twins of your physical items using your iPhone or iPad. Seamlessly bring these models into your Apple Vision Pro environment for immersive experiences. Explore your creations with advanced filters and organization tools.

**Highlights:** Create 3D models using photogrammetry, View models in visionOS environments, Apply filters and colorways to models, Automatic syncing between Apple devices, Organize models with search and sorting, Browse and place models on Apple Vision Pro

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $9.99 | per year |


## Frequently asked questions

### Is Focus Stacks free?

Focus Stacks costs $4.99, with no in-app purchases.

### Is Twin free?

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

### Which has better reviews, Focus Stacks or Twin?

Focus Stacks is rated higher. Focus Stacks averages 5.0 out of 5 from 1 ratings, while Twin averages 4.0 from 4 ratings.

### Do Focus Stacks or Twin have ads?

Neither Focus Stacks nor Twin shows ads.

### Which is updated more often, Focus Stacks or Twin?

Focus Stacks ships an update weekly, and Twin fortnightly. Most recently, Focus Stacks was updated on October 7, 2026 and Twin on October 5, 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.*