# Cleaner Zero vs Ring Sizer

The clearest difference is in-app purchases: Ring Sizer at none against Cleaner Zero's 2. Ring Sizer also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Cleaner Zero sells 2 in-app purchases, starting at $7.99 per 7 days. Ring Sizer asks for nothing beyond the download.

Cleaner Zero ships an update fortnightly, Ring Sizer every 2 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Cleaner Zero | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (18 ratings)](https://appshunter.io/ios/app/cleaner-zero-clean-up-storage/id6757073187/reviews)** | — |
| Number of ratings | **18** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 49 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PEU SX S.R.L.](https://appshunter.io/developer/1864310540) | [Yaroslav Trofimov](https://appshunter.io/developer/1851395994) |

## What reviewers say

### Cleaner Zero

[App page](https://appshunter.io/ios/app/cleaner-zero-clean-up-storage/id6757073187)

This AI-powered study companion helps students understand homework and master academic subjects. Get instant answers, clear explanations, and step-by-step solutions to learn effectively and improve academic performance.

**Highlights:** Instant homework checking, AI study assistant, Multi-subject learning, Step-by-step solutions, User-friendly interface

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $7.99 | per 7 days |
| Yearly Subscription | $69.99 | per year |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-ruler/id6793472743)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cleaner Zero free?

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

### Is Ring Sizer free?

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

### Do Cleaner Zero or Ring Sizer have ads?

Cleaner Zero shows ads; Ring Sizer does not.

### Which is updated more often, Cleaner Zero or Ring Sizer?

Cleaner Zero ships an update fortnightly, and Ring Sizer every 2 weeks. Most recently, Cleaner Zero was updated on October 7, 2026 and Ring Sizer on October 7, 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.*