Ring Sizer vs Ultrahuman Ring Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ring Sizer
Easily determine your ring size using your phone's screen. Simply place a ring on the designated area and adjust the slider to match its inner edges. The app then displays your ring size in various international formats.
- Measure ring size on screen
- Adjustable slider for precise fit
- Multiple international size formats (US, AU/GB, EU/ISO, JP/CN)
- In-app ruler for inches and mm
Read full descriptionHide full description
Ring Sizer - Ring Measurement Tool To find out your ring size: - Put the ring on the white circle on your phone screen - Using the slider, align the edges of the circle with the inner edge of your ring - Select size measurement format (US, AU/GB, EU/ISO, JP/CN) - The app will show you the ring size We hope our application will be useful to you! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
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
Read full descriptionHide full description
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: Ring Sizer at 4.4 against Ultrahuman Ring Sizer's 2.0. Ring Sizer also leads on review sentiment (33% vs 18%) and ratings volume (73 vs 24). Ultrahuman Ring Sizer's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Ring Sizer sells 6 in-app purchases, starting at $1.99 per 7 days. Ultrahuman Ring Sizer asks for nothing beyond the download.
Ring Sizer holds the better App Store score, 4.4 against 2.0. Both are backed by a comparable volume of ratings — 73 and 24 respectively. Written reviews point the same way: 33% of Ring Sizer's written reviews are positive against 18% of Ultrahuman Ring Sizer's.
Ring Sizer ships an update every 2 months, Ultrahuman Ring Sizer monthly. The most recent releases landed on September 12, 2026 and September 19, 2026 respectively.
| Parameter | Ring Sizer | Ultrahuman Ring Sizer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (73 ratings) — better | 2.0 (24 ratings) |
| Positive reviews | 33.3% of reviews — better | 17.6% of reviews |
| Number of ratings | 73 — better | 24 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrei Nemtsou | ULTRAHUMAN HEALTHCARE PRIVATE LIMITED |
Customer experience
Ring Sizer
Ultrahuman Ring Sizer
In-app purchases
Ring Sizer
- Ring Sizer Premium$1.997 Days
- Premium Weekly$3.997 Days
- Ring Sizer$4.991 Month
Show 2 moreShow fewer
- Annual One-Time$7.991 Year
- Ring Sizer$9.991 Year
- Lifetime Premium$19.99
Ultrahuman Ring Sizer
No in-app purchases
Questions
Is Ring Sizer free?
Is Ultrahuman Ring Sizer free?
Which has better reviews, Ring Sizer or Ultrahuman Ring Sizer?
Do Ring Sizer or Ultrahuman Ring Sizer have ads?
Which is updated more often, Ring Sizer or Ultrahuman Ring Sizer?
Other comparisons
