# Ring Sizer vs Screen Time & App Limits

The clearest difference is in-app purchases: Ring Sizer at none against Screen Time & App Limits's 1. Screen Time & App Limits's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Screen Time & App Limits sells 1 one-off in-app purchase. Ring Sizer asks for nothing beyond the download.

Ring Sizer ships an update every 2 months, Screen Time & App Limits every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ring Sizer | Screen Time & App Limits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/ring-sizer-measure-ring-size/id6654909479/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 10 MB | 5 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aliaksei Mikhailouski](https://appshunter.io/developer/1682692291) | [少元 李](https://appshunter.io/developer/6798907890) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-ring-size/id6654909479)

Accurately measure your finger or an existing ring directly from your smartphone. This tool supports multiple international sizing standards and provides easy-to-use visual guides for confident jewelry purchases.

**Highlights:** Measure finger or ring size, Supports international size standards, Easy visual guides, Save and share sizes, No tools required

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

**In-app purchases:** none


### Screen Time & App Limits

[App page](https://appshunter.io/ios/app/screen-time-and-app-limits/id6805848434)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久解锁 | $3.99 | one-time |


## Frequently asked questions

### Is Ring Sizer free?

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

### Is Screen Time & App Limits free?

Screen Time & App Limits is free to download, with in-app purchases available.

### Do Ring Sizer or Screen Time & App Limits have ads?

Neither Ring Sizer nor Screen Time & App Limits shows ads.

### Which is updated more often, Ring Sizer or Screen Time & App Limits?

Ring Sizer ships an update every 2 months, and Screen Time & App Limits every 5 days. Most recently, Ring Sizer was updated on November 4, 2026 and Screen Time & App Limits on October 31, 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.*