# TestApp.io vs SAP Build Apps Preview

The clearest difference is rating: TestApp.io at 5.0 against SAP Build Apps Preview's 3.0. TestApp.io also leads on review sentiment (91% vs 53%) and iOS requirement (15.0 vs 18.0). SAP Build Apps Preview's advantage is ratings volume (14 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TestApp.io holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: SAP Build Apps Preview has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of TestApp.io's written reviews are positive against 53% of SAP Build Apps Preview's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TestApp.io | SAP Build Apps Preview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/testappio/id1518972541/reviews)** | [3.0 (14 ratings)](https://appshunter.io/ios/app/sap-build-apps-preview/id1585856868/reviews) |
| Number of ratings | 1 | **14** |
| Positive reviews | **90.9% of reviews** | 53.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 63 MB | 182 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [TestApp.io FZ LLC](https://appshunter.io/developer/1518972543) | [SAP SE](https://appshunter.io/developer/391959547) |

## What reviewers say

### TestApp.io

[App page](https://appshunter.io/ios/app/testappio/id1518972541)

This app facilitates easy sharing of mobile applications for testing and feedback. Testers receive notifications for new releases, while developers can manage app versions and team members through a dedicated portal.

**Highlights:** App sharing for testing, Feedback collection, Release management, Tester notifications, Member management

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

**In-app purchases:** none


### SAP Build Apps Preview

[App page](https://appshunter.io/ios/app/sap-build-apps-preview/id1585856868)

View and interact with your mobile app projects on an iOS device. See real-time updates as you make changes in the web tool, perfect for rapid prototyping and testing.

**Highlights:** View mobile projects on iOS, Real-time updates from web tool, Quick prototyping, Interactive testing, Login to access projects

**In-app purchases:** none


## Frequently asked questions

### Is TestApp.io free?

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

### Is SAP Build Apps Preview free?

SAP Build Apps Preview is free to download, with no in-app purchases.

### Which has better reviews, TestApp.io or SAP Build Apps Preview?

TestApp.io is rated higher. TestApp.io averages 5.0 out of 5 from 1 ratings, while SAP Build Apps Preview averages 3.0 from 14 ratings.

### Do TestApp.io or SAP Build Apps Preview have ads?

Neither TestApp.io nor SAP Build Apps Preview shows ads.

### Which is updated more often, TestApp.io or SAP Build Apps Preview?

TestApp.io ships an update every 3 weeks, and SAP Build Apps Preview every 3 weeks. Most recently, TestApp.io was updated on October 8, 2026 and SAP Build Apps Preview on October 13, 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.*