# Biometric Notes vs SizeMyRing

The clearest difference is price: SizeMyRing at Free against Biometric Notes's $1.99. Biometric Notes's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 26.0). On ads and device support there is nothing between them.

SizeMyRing is free to download; Biometric Notes costs $1.99 up front. SizeMyRing sells 3 in-app purchases, starting at $2.99 per 7 days. Biometric Notes asks for nothing beyond the download.

## The numbers

| Metric | Biometric Notes | SizeMyRing |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Paid | — |
| Size | 2 MB | 5 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohammad Masri](https://appshunter.io/developer/975614455) | [EmeraldApps.io](https://appshunter.io/developer/1841972627) |

## What reviewers say

### Biometric Notes

[App page](https://appshunter.io/ios/app/biometric-notes/id991357855)

Securely store and manage all your sensitive information, including passwords, PINs, and private notes, using biometric authentication like Face ID and Touch ID. Organize your data with unlimited notes and lists, ensuring your private files are protected from unauthorized access.

**Highlights:** Biometric authentication (Face ID, Touch ID), Unlimited note creation, Organize with lists, Emoji support, Offline functionality, Secure personal diary

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

**In-app purchases:** none


### SizeMyRing

[App page](https://appshunter.io/ios/app/sizemyring-ring-sizer/id6791215499)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Annual | $19.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Biometric Notes free?

Biometric Notes costs $1.99, with no in-app purchases.

### Is SizeMyRing free?

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

### Do Biometric Notes or SizeMyRing have ads?

Neither Biometric Notes nor SizeMyRing shows ads.

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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.*