# Suprema Pass vs RingSizer

The clearest difference is in-app purchases: Suprema Pass at none against RingSizer's 1. Suprema Pass also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RingSizer sells 1 one-off in-app purchase. Suprema Pass asks for nothing beyond the download.

## The numbers

| Metric | Suprema Pass | RingSizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/suprema-pass/id6745057639/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 45 MB | 1 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SUPREMA](https://appshunter.io/developer/1027628414) | [ReflectBuddy](https://appshunter.io/developer/1782977954) |

## What reviewers say

### Suprema Pass

[App page](https://appshunter.io/ios/app/suprema-pass/id6745057639)

Transform your smartphone into a secure digital key for accessing various locations. This app allows you to unlock doors with a simple tap, even when your phone is locked. Manage credentials for multiple sites and instantly revoke access if your device is lost.

**Highlights:** Unlock doors with your phone, Works when phone is locked, Store multiple location credentials, Instant credential revocation, More secure than keycards

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

**In-app purchases:** none


### RingSizer

[App page](https://appshunter.io/ios/app/ringsizer-ring-size-tool/id6798043494)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RingSizer Premium (Lifetime) | $5.99 | one-time |


## Frequently asked questions

### Is Suprema Pass free?

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

### Is RingSizer free?

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

### Do Suprema Pass or RingSizer have ads?

RingSizer shows ads; Suprema Pass does not.

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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.*