# Ultrahuman Ring Sizer vs IDEA

The clearest difference is rating: IDEA at 5.0 against Ultrahuman Ring Sizer's 2.0. IDEA also leads on review sentiment (50% vs 18%) and iOS requirement (12.0 vs 16.0). Ultrahuman Ring Sizer's advantage is update cadence (monthly vs every 6 months) and ratings volume (24 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.

IDEA holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Ultrahuman Ring Sizer has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 18% of Ultrahuman Ring Sizer's written reviews are positive against 50% of IDEA's.

Ultrahuman Ring Sizer ships an update monthly, IDEA every 6 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Ultrahuman Ring Sizer | IDEA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (24 ratings)](https://appshunter.io/ios/app/ultrahuman-ring-sizer/id6452756334/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idea-ble/id6667117980/reviews)** |
| Number of ratings | **24** | 1 |
| Positive reviews | 17.6% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | Free |
| Size | 45 MB | 43 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ULTRAHUMAN HEALTHCARE PRIVATE LIMITED](https://appshunter.io/developer/1491286708) | [和平 陈](https://appshunter.io/developer/1743103495) |

## 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


### IDEA

[App page](https://appshunter.io/ios/app/idea-ble/id6667117980)

This intelligent operation app allows users to customize product usage and expand functionality. It provides a convenient way to interact with specific company products and gain a deeper understanding of their features.

**Highlights:** Intelligent operation, Product customization, Expandable functions, Enhanced product understanding, Convenient user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultrahuman Ring Sizer free?

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

### Is IDEA free?

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

### Which has better reviews, Ultrahuman Ring Sizer or IDEA?

IDEA is rated higher. Ultrahuman Ring Sizer averages 2.0 out of 5 from 24 ratings, while IDEA averages 5.0 from 1 ratings.

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

Neither Ultrahuman Ring Sizer nor IDEA shows ads.

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

Ultrahuman Ring Sizer ships an update monthly, and IDEA every 6 months. Most recently, Ultrahuman Ring Sizer was updated on October 13, 2026 and IDEA on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*