# Image Scan vs Ring Sizer

Image Scan and Ring Sizer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Image Scan sells 4 in-app purchases, starting at $4.99 per 7 days and Ring Sizer sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Image Scan ships an update every 6 days, Ring Sizer every 4 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Image Scan | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 46 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [天金 吴](https://appshunter.io/developer/1632698297) | [Fabrizio Beccaceci](https://appshunter.io/developer/1772065340) |

## What reviewers say

### Image Scan

[App page](https://appshunter.io/ios/app/image-scan-scanner-pdf-ocr/id1637240995)

This tool uses OCR technology to extract text from various documents like books, business cards, and tables. It offers high-speed scanning, batch processing, and the ability to generate PDF or TXT files with watermarks.

**Highlights:** OCR text recognition, Extract text from books, bills, and scans, High-resolution scanning in seconds, Batch scanning and processing, ID card scanning, Generate PDF and TXT files, Add watermarks

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Week | $4.99 | per 7 days |
| Subscription Month | $6.99 | per month |
| 1 Year | $25.99 | per year |
| Permanent Member Vip | $48.99 | one-time |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-your-ring-size/id6736466968)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro | $2.99 | per 7 days |
| Ring Sizer Pro | $5.99 | per month |
| Ring Sizer Pro | $6.99 | per month |
| Ring Sizer Pro | $29.99 | per year |
| RingSizer Lifetime | $14.99 | one-time |
| RingSizer Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Image Scan free?

Image Scan is free to download, with in-app purchases available.

### Is Ring Sizer free?

Ring Sizer is free to download, with in-app purchases available.

### Do Image Scan or Ring Sizer have ads?

Neither Image Scan nor Ring Sizer shows ads.

### Which is updated more often, Image Scan or Ring Sizer?

Image Scan ships an update every 6 days, and Ring Sizer every 4 days. Most recently, Image Scan was updated on October 13, 2026 and Ring Sizer on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*