# Keepa · Price Tracker vs Ring Sizer

The clearest difference is in-app purchases: Keepa · Price Tracker at none against Ring Sizer's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $3.99 per year. Keepa · Price Tracker asks for nothing beyond the download.

## The numbers

| Metric | Keepa · Price Tracker | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/keepa-price-tracker/id1518541385/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 51.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free | — |
| Size | 79 MB | 9 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keepa.com](https://appshunter.io/developer/1518541384) | [Georgios Avenidis](https://appshunter.io/developer/1730462834) |

## What reviewers say

### Keepa · Price Tracker

[App page](https://appshunter.io/ios/app/keepa-price-tracker/id1518541385)

Track Amazon product prices and receive alerts for drops or restocks. Analyze price history, sales rank, and offer counts to shop smarter and identify the best deals.

**Highlights:** Price history graphs, Price drop alerts, Availability alerts, Product search and scanner, Sales rank history, International Amazon support

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-size-finder/id6770491791)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Yearly | $3.99 | per year |
| Ring Sizer Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Keepa · Price Tracker free?

Keepa · Price Tracker is free to download, with no in-app purchases.

### Is Ring Sizer free?

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

### Do Keepa · Price Tracker or Ring Sizer have ads?

Neither Keepa · Price Tracker nor Ring Sizer shows ads.

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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.*