# Ultrahuman Ring Sizer vs SecNote

The clearest difference is in-app purchases: Ultrahuman Ring Sizer at none against SecNote's 1. Ultrahuman Ring Sizer also leads on iOS requirement (16.0 vs 18.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SecNote sells 1 in-app purchase, starting at $4.99 per month. Ultrahuman Ring Sizer asks for nothing beyond the download.

Ultrahuman Ring Sizer ships an update monthly, SecNote every 5 weeks. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Ultrahuman Ring Sizer | SecNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (24 ratings)](https://appshunter.io/ios/app/ultrahuman-ring-sizer/id6452756334/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 45 MB | 4 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ULTRAHUMAN HEALTHCARE PRIVATE LIMITED](https://appshunter.io/developer/1491286708) | [Jose Aguilar](https://appshunter.io/developer/1820136236) |

## What reviewers say

### Ultrahuman Ring Sizer

[App page](https://appshunter.io/ios/app/ultrahuman-ring-sizer/id6452756334)

Instantly determine your ring size by taking a photo of your hand. The app uses advanced AI vision algorithms to accurately calculate your perfect fit, requiring only a standard-sized card in the frame for reference.

**Highlights:** Instant ring size calculation, AI-powered vision algorithm, Photo-based measurement, Requires standard card for reference, Accurate fit determination

**In-app purchases:** none


### SecNote

[App page](https://appshunter.io/ios/app/secnote/id6747166161)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecNote Premium | $4.99 | per month |


## Frequently asked questions

### Is Ultrahuman Ring Sizer free?

Ultrahuman Ring Sizer is free to download, with no in-app purchases.

### Is SecNote free?

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

### Do Ultrahuman Ring Sizer or SecNote have ads?

Neither Ultrahuman Ring Sizer nor SecNote shows ads.

### Which is updated more often, Ultrahuman Ring Sizer or SecNote?

Ultrahuman Ring Sizer ships an update monthly, and SecNote every 5 weeks. Most recently, Ultrahuman Ring Sizer was updated on October 4, 2026 and SecNote on September 30, 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.*