Shifter vs Ring Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shifter
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A app that can track your wage and hours and tell you when you have worked, how much you are owned and give you a rundown of your work
Ring Sizer
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Find your perfect fit instantly, right from your pocket. Experience the ease of discovering your exact ring size without ever stepping foot in a jewelry store. Ringer Sizer: Measuring Tool transforms your phone into a precision digital caliper, giving you accurate measurements for any finger or piece of jewelry in seconds. Stop guessing. Start measuring. WHY Ringer Sizer: Measuring Tool? Buying rings online or planning a surprise engagement can be incredibly stressful when you don't know the right dimensions. Ringer Sizer: Measuring Tool solves this uncertainty by putting professional-grade sizing tools right at your fingertips. Whether you are shopping internationally, custom-ordering a wedding band, or trying to find your partner's size in secret, find the perfect fit with absolute confidence. PREMIUM FEATURES: (Please note: Access to the following tools requires an active Pro subscription) Instant Ring Sizing: Simply place an existing ring directly on your screen and adjust the on-screen circle to instantly discover its exact size. Finger Length Measurement: Easily and accurately measure your finger length and width using your device's screen to ensure the most comfortable fit possible for wider bands. Global Size Conversion: Instantly convert your measurements between US, UK, EU, Asian, and other international ring sizing standards. Shopping from overseas jewelers has never been easier. Save Your Sizes: Keep track of your measurements. Store sizes for yourself, your partner, family, and friends so you always have them handy when it's time to shop. UNLOCK FULL ACCESS To provide the most accurate and high-quality sizing technology, all functionality within Ringer Sizer: Measuring Tool is exclusive to our Pro members. Upgrade to Pro to instantly unlock the complete suite of measuring tools, global conversions, and sizing profiles. Download Ringer Sizer: Measuring Tool today and never order the wrong ring size again! * TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Shifter at none against Ring Sizer's 2. Shifter also leads on device support (3 vs 1). Ring Sizer's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (18.6 vs 26.0). On price 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. Ring Sizer sells 2 in-app purchases, starting at $4.99 per 7 days. Shifter asks for nothing beyond the download.
Shifter ships an update every 3 weeks, Ring Sizer every 3 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.
| Parameter | Shifter | Ring Sizer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 26.0 | 18.6 — better |
| Further details — not scored | ||
| Size | 21 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Matija Lukanc | Jack Oehling |
In-app purchases
Shifter
No in-app purchases
Ring Sizer
- Monthly$4.997 Days
- Yearly3 Days trial$24.991 Year
