# Datwise 2.0 vs Ring Sizer

The clearest difference is in-app purchases: Datwise 2.0 at none against Ring Sizer's 2. Datwise 2.0 also leads on update cadence (every 9 days vs every 3 months). 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 $9.99 per 7 days. Datwise 2.0 asks for nothing beyond the download.

Datwise 2.0 ships an update every 9 days, Ring Sizer every 3 months. The most recent releases landed on September 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Datwise 2.0 | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ring-sizer-finger-measure/id6759689480/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | — | Subscription |
| Size | 49 MB | 56 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Barak Aharon](https://appshunter.io/developer/1598959942) | [Wotaso GmbH](https://appshunter.io/developer/1850131192) |

## What reviewers say

### Datwise 2.0

[App page](https://appshunter.io/ios/app/datwise-20/id6756566776)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-finger-measure/id6759689480)

Easily determine your ring size using your finger or an existing ring. Supports various international sizing systems to help you avoid ordering the wrong size. Measurement results are recommendations and should be verified before purchase.

**Highlights:** Measure finger size, Measure existing ring size, Supports international sizing systems (EU, US, UK), Quick and simple to use, Reduces ordering wrong ring sizes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro Weekly | $9.99 | per 7 days |
| Ring Sizer Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Datwise 2.0 free?

Datwise 2.0 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 Datwise 2.0 or Ring Sizer have ads?

Neither Datwise 2.0 nor Ring Sizer shows ads.

### Which is updated more often, Datwise 2.0 or Ring Sizer?

Datwise 2.0 ships an update every 9 days, and Ring Sizer every 3 months. Most recently, Datwise 2.0 was updated on September 28, 2026 and Ring Sizer on October 15, 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.*