# DIAMETRO vs Ringa

The clearest difference is in-app purchases: DIAMETRO at none against Ringa's 1. DIAMETRO also leads on ads (none vs shown). Ringa's advantage is update cadence (every 3 days vs every 2 weeks) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Ringa sells 1 one-off in-app purchase. DIAMETRO asks for nothing beyond the download.

DIAMETRO ships an update every 2 weeks, Ringa every 3 days. The most recent releases landed on October 29, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | DIAMETRO | Ringa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 4 MB | 37 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALEXANDRU TEODOR TRANDAFIR](https://appshunter.io/developer/6810555118) | [Berkant alkuu](https://appshunter.io/developer/1626734574) |

## What reviewers say

### DIAMETRO

[App page](https://appshunter.io/ios/app/diametro-ring-sizer/id6810555116)

**In-app purchases:** none


### Ringa

[App page](https://appshunter.io/ios/app/ringa-ring-sizer-and-finder/id6821629380)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jewelry Pack | $4.99 | one-time |


## Frequently asked questions

### Is DIAMETRO free?

DIAMETRO is free to download, with no in-app purchases.

### Is Ringa free?

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

### Do DIAMETRO or Ringa have ads?

Ringa shows ads; DIAMETRO does not.

### Which is updated more often, DIAMETRO or Ringa?

DIAMETRO ships an update every 2 weeks, and Ringa every 3 days. Most recently, DIAMETRO was updated on October 29, 2026 and Ringa on November 6, 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.*