Ultrahuman Ring Sizer vs EV Check In
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
EV Check In
This free app provides real-time information on EV charger availability, powered by user check-ins. Avoid wasted trips by seeing if a charger is in use before you arrive. Users can contribute by scanning QR codes and updating charger status.
- Real-time charger status
- Community-powered updates
- QR code scanner
- User check-ins
- Contribute to community data
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Free EV chargers are always busy. Stop guessing. EV Check In is a free, community-powered app that shows you in real time if a charger is in use before you get there. How it works • Scan the QR code on the charger • Check in when you start charging • See live status from other drivers • Let others unplug when you're finished (toggle switch) No QR code on your charger? Print one in seconds and help your local EV community stay updated.
Screenshots
Verdict
The clearest difference is rating: EV Check In at 5.0 against Ultrahuman Ring Sizer's 2.0. EV Check In also leads on update cadence (every 2 days vs monthly) and device support (3 vs 1). Ultrahuman Ring Sizer's advantage is ratings volume (24 vs 1). On price, ads, in-app purchases and monetization model 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.
EV Check In 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.
Ultrahuman Ring Sizer ships an update monthly, EV Check In every 2 days. Both last shipped on September 26, 2026.
| Parameter | Ultrahuman Ring Sizer | EV Check In |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (24 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 17.6% of reviews | — |
| Number of ratings | 24 — better | 1 |
| Update frequency | Monthly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 45 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | ULTRAHUMAN HEALTHCARE PRIVATE LIMITED | CrewSwap app LLC |
Customer experience
Ultrahuman Ring Sizer
EV Check In
In-app purchases
Ultrahuman Ring Sizer
No in-app purchases
EV Check In
No in-app purchases
Questions
Is Ultrahuman Ring Sizer free?
Is EV Check In free?
Which has better reviews, Ultrahuman Ring Sizer or EV Check In?
Do Ultrahuman Ring Sizer or EV Check In have ads?
Which is updated more often, Ultrahuman Ring Sizer or EV Check In?
Other comparisons
