# turn.app vs Diamond Supply

The clearest difference is rating: Diamond Supply at 5.0 against turn.app's 3.1. Diamond Supply also leads on update cadence (every 2 days vs every 9 days). turn.app's advantage is ratings volume (49 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Diamond Supply holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: turn.app has 49 ratings behind it against 1, so its average is the more settled of the two.

turn.app ships an update every 9 days, Diamond Supply every 2 days. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | turn.app | Diamond Supply |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (49 ratings)](https://appshunter.io/ios/app/turnapp/id6667101755/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diamond-supply/id6737965873/reviews)** |
| Number of ratings | **49** | 1 |
| Positive reviews | 25.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 125 MB | 120 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [turn](https://appshunter.io/developer/1764276251) | [Batch Systems Inc.](https://appshunter.io/developer/1616410220) |

## What reviewers say

### turn.app

[App page](https://appshunter.io/ios/app/turnapp/id6667101755)

This app allows customers to authenticate products, stay updated on exclusive offers, and track loyalty points. It serves as a direct connection to the brand, enhancing the overall customer experience.

**Highlights:** Product authentication, Exclusive offers, Loyalty points tracking, Brand connection, Unbeatable craftsmanship

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

**In-app purchases:** none


### Diamond Supply

[App page](https://appshunter.io/ios/app/diamond-supply/id6737965873)

Verify the authenticity of apparel and view your collection of scanned items. This app allows users to tap NFC devices on clothing to confirm product authenticity and manage their scanned collections.

**Highlights:** NFC product authentication, View scanned collections, Digital collection management, Apparel authenticity verification

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

**In-app purchases:** none


## Frequently asked questions

### Is turn.app free?

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

### Is Diamond Supply free?

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

### Which has better reviews, turn.app or Diamond Supply?

Diamond Supply is rated higher. turn.app averages 3.1 out of 5 from 49 ratings, while Diamond Supply averages 5.0 from 1 ratings.

### Do turn.app or Diamond Supply have ads?

Neither turn.app nor Diamond Supply shows ads.

### Which is updated more often, turn.app or Diamond Supply?

turn.app ships an update every 9 days, and Diamond Supply every 2 days. Most recently, turn.app was updated on October 25, 2026 and Diamond Supply on October 6, 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.*