# toolKaiser vs Roost

The clearest difference is rating: Roost at 5.0 against toolKaiser's 4.3. Roost also leads on update cadence (every 3 days vs every 6 months) and review sentiment (100% vs 80%). toolKaiser's advantage is in-app purchases (none vs 6) and iOS requirement (16.6 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Roost sells 6 in-app purchases, starting at $3.99 per 7 days. toolKaiser asks for nothing beyond the download.

Roost holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 11 respectively. Written reviews point the same way: 80% of toolKaiser's written reviews are positive against 100% of Roost's.

toolKaiser ships an update every 6 months, Roost every 3 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | toolKaiser | Roost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (11 ratings)](https://appshunter.io/ios/app/toolkaiser/id1528414619/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/roost-ai-interior-design/id6768128106/reviews)** |
| Number of ratings | 11 | 11 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 10 MB | 64 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ToolKaiser](https://appshunter.io/developer/1795987736) | [Roost Labs Limited Liability Company](https://appshunter.io/developer/1896542587) |

## What reviewers say

### toolKaiser

[App page](https://appshunter.io/ios/app/toolkaiser/id1528414619)

Effortlessly create professional foam inserts for tool organization. Simply photograph your tools, and the app automatically recognizes shapes and generates a compact layout. Export your designs for laser cutting or printouts.

**Highlights:** Automatic tool shape recognition, Compact and pleasing layout generation, Customizable paper sizes (Letter, A4, etc.), Editor for detailed outline adjustments, Export to SVG, DXF, and PDF formats, Organize various objects beyond tools

**Features:** Vision Pro support

**In-app purchases:** none


### Roost

[App page](https://appshunter.io/ios/app/roost-ai-interior-design/id6768128106)

Transform your existing rooms with AI-powered interior design. Upload a photo, and the app will intelligently redesign your space, explaining each change. Visualize real products from brands and stores before you buy, and explore multiple design ideas.

**Highlights:** AI-powered room redesign, Photo analysis for design suggestions, Visualize real products with pricing, Explore and compare design variations, Multi-view room rendering, Save and revisit design ideas

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Roost Designer (Weekly) | $3.99 | per 7 days |
| Roost Studio (weekly) | $5.99 | per 7 days |
| Roost Designer (Monthly) | $12.99 | per month |
| Roost Studio (Monthly) | $19.99 | per month |
| Roost Designer (Yearly) | $49.99 | per year |
| Roost Studio (Yearly) | $79.99 | per year |


## Frequently asked questions

### Is toolKaiser free?

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

### Is Roost free?

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

### Which has better reviews, toolKaiser or Roost?

Roost is rated higher. toolKaiser averages 4.3 out of 5 from 11 ratings, while Roost averages 5.0 from 11 ratings.

### Do toolKaiser or Roost have ads?

Neither toolKaiser nor Roost shows ads.

### Which is updated more often, toolKaiser or Roost?

toolKaiser ships an update every 6 months, and Roost every 3 days. Most recently, toolKaiser was updated on November 3, 2026 and Roost on November 9, 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.*