Ring Sizer vs Inventory Snap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ring Sizer
Accurately determine your ring size using your phone's screen or a built-in ruler. Supports multiple international sizing standards and allows saving measurements for future use. Ideal for online shoppers and jewelers.
- Measure ring size via diameter or circumference
- Supports US, UK, EU/ISO, AU, JP, CN, RU sizes
- Built-in screen ruler for finger measurement
- Save measurements for multiple users
- Ad-free experience
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Sizerly is a simple and precise tool for finding the right ring size using your phone. Whether you already have a ring to measure or need to find your finger size directly, Sizerly offers an intuitive way to get reliable sizing results in seconds. Just place a ring on your screen and adjust the sizing circle, or use the built-in ruler to measure your finger diameter. Sizerly supports all major international sizing standards, so you can shop confidently online or in-store. Key Features: - Measure ring size using diameter or circumference - Includes major size systems: US, UK, EU/ISO, AU, JP, CN, RU - Built-in screen ruler for measuring fingers - Save measurements for future use or multiple users Sizerly is ideal for online shoppers, gift buyers, and jewelers. It’s accurate, easy to use, and designed without ads for a smooth experience. Privacy Policy: https://di-apps-dev.web.app/privacy.html Terms of Use: https://di-apps-dev.web.app/terms.html
Inventory Snap
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Inventory Snap is a fast, offline barcode inventory tracker. Scan items, track stock levels and low-stock alerts, organize by location and category, and export clean CSV for Etsy, eBay, Shopify, Numbers and accounting — all on your phone, no account required. Free for up to 10 items; upgrade to Pro for unlimited items and full CSV export. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Inventory Snap at none against Ring Sizer's 2. Inventory Snap also leads on update cadence (every 5 days vs every 2 weeks). On price, ads, 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 2 in-app purchases, starting at $3.99 per 7 days. Inventory Snap asks for nothing beyond the download.
Ring Sizer ships an update every 2 weeks, Inventory Snap every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Ring Sizer | Inventory Snap |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 10 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Dziyana Dashynevich | Evgenii Sinitsyn |
In-app purchases
Ring Sizer
- Weekly Premium$3.997 Days
- Annual Premium$19.991 Year
Inventory Snap
No in-app purchases









