International Ring Sizer vs Ultrahuman Ring Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
International Ring Sizer
Measure your ring size accurately using an existing ring. This utility helps you find the perfect fit without needing a physical sizer. Ideal for online jewelry purchases.
- Measure ring size with existing rings
- Accurate sizing for online purchases
- Simple and intuitive interface
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Great for using existing rings to discover your ring size
Ultrahuman Ring Sizer
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.
- Instant ring size calculation
- AI-powered vision algorithm
- Photo-based measurement
- Requires standard card for reference
- Accurate fit determination
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Ultrahuman Ring Sizer is an app that lets you instantly find out your Ultrahuman Ring Size. All you need to do is click a picture of your hand with a standard sized card in the frame and our State-Of-The-Art Vision algorithm will calculate the perfect Ring size for you.
Screenshots
Verdict
The clearest difference is rating: International Ring Sizer at 3.5 against Ultrahuman Ring Sizer's 2.0. International Ring Sizer also leads on review sentiment (44% vs 18%) and device support (3 vs 1). Ultrahuman Ring Sizer's advantage is ads (none vs shown) and update cadence (monthly vs every 20 months). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
International Ring Sizer holds the better App Store score, 3.5 against 2.0. That said, the two scores are not equally well evidenced: Ultrahuman Ring Sizer has 24 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 44% of International Ring Sizer's written reviews are positive against 18% of Ultrahuman Ring Sizer's.
International Ring Sizer ships an update every 20 months, Ultrahuman Ring Sizer monthly. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.
| Parameter | International Ring Sizer | Ultrahuman Ring Sizer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | 2.0 (24 ratings) |
| Positive reviews | 44.4% of reviews — better | 17.6% of reviews |
| Number of ratings | 2 | 24 — better |
| Update frequency | Every 20 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 6 MB | 45 MB |
| Age rating | 17+ | 4+ |
| Developer | Red Detour, LLC | ULTRAHUMAN HEALTHCARE PRIVATE LIMITED |
Customer experience
International Ring Sizer
Ultrahuman Ring Sizer
In-app purchases
International Ring Sizer
No in-app purchases
Ultrahuman Ring Sizer
No in-app purchases
Questions
Is International Ring Sizer free?
Is Ultrahuman Ring Sizer free?
Which has better reviews, International Ring Sizer or Ultrahuman Ring Sizer?
Do International Ring Sizer or Ultrahuman Ring Sizer have ads?
Which is updated more often, International Ring Sizer or Ultrahuman Ring Sizer?
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