Ring Sizer vs FlowCam
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 at home using your finger or an existing ring. Get results in multiple international sizing systems instantly. Save your measurements for future reference.
- Measure with finger
- Measure with existing ring
- Multiple size systems
- Screen-calibrated accuracy
- Save and compare measurements
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Find your ring size in seconds — no trip to the jeweler needed. MEASURE WITH YOUR FINGER Place your finger on the screen and adjust the guide to estimate your size. Great when you don't have a ring to compare. MEASURE WITH A RING Place a ring you already own on the screen and match the circle to the inside edge. The most accurate way to find your size at home. EVERY SIZE SYSTEM YOU NEED See your result in US/CA, UK, JP, diameter (mm & inch), and circumference (mm) — all at once, no switching. SCREEN-CALIBRATED ACCURACY Auto-detects your iPhone model for precise on-screen measurements. SAVE & COMPARE Label and save measurements for yourself, a partner, or family. Come back anytime to check. Free. No ads. No account required.
FlowCam
Record videos with the ability to pause and resume, then trim, merge, and rearrange clips. Upload existing videos to combine with your recordings. Save projects to continue editing later, all without watermarks.
- Pausable video recording
- Trim individual video segments
- Merge multiple clips
- Rearrange video segments
- Mirror video segments
- Upload and combine videos
- Save and resume projects
- No watermarks
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FlowCam is a pauseable camera that allows you to record, trim, and merge multiple clips, then download all as 1 video (with NO watermarks) While recording you can pause, then record some more. After recording, you can trim individual segments of your video, rearrange segments, and then download them into a single video. When editing individual segments, you can "mirror" the segment (so it flips the opposite way), which makes it perfect for creating those social media videos where you are talking to yourself. You can also upload videos from your phone to combine with your recorded segments. Your projects get saved, so you can record some segments, and then come back to it at any later time. The app is free, and there are NO watermarks.
Screenshots
Verdict
The clearest difference is update cadence: FlowCam at every 2 days against Ring Sizer's every 3 months. FlowCam also leads on iOS requirement (15.1 vs 17.0). Ring Sizer's advantage is rating (4.9 vs 4.6). On price, review sentiment, ratings volume and ads 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.
Ring Sizer holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 9 and 16 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Ring Sizer ships an update every 3 months, FlowCam every 2 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | Ring Sizer | FlowCam |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (9 ratings) — better | 4.6 (16 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 9 | 16 — better |
| Update frequency | Every 3 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | 100 Factories | OneUp App LLC |
Customer experience
Ring Sizer
FlowCam
In-app purchases
Ring Sizer
No in-app purchases
FlowCam
No in-app purchases
