# Ring Sizer vs Acira

The clearest difference is in-app purchases: Acira at none against Ring Sizer's 6. Acira also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Ring Sizer sells 5 in-app purchases, starting at $2.99 per 7 days. Acira asks for nothing beyond the download.

Ring Sizer ships an update every 3 weeks, Acira every 9 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ring Sizer | Acira |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (2.4K ratings)](https://appshunter.io/ios/app/ring-sizer-size-measure-app/id6448044027/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 30.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 225 MB | 113 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LightApps OU](https://appshunter.io/developer/1683318905) | [Jesus David Callejas Cabarcas](https://appshunter.io/developer/1573175676) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-size-measure-app/id6448044027)

This application helps you accurately measure ring and finger sizes without the need for physical tools. It offers a user-friendly interface and supports various measurement systems for precise results, making online jewelry shopping easier.

**Highlights:** Precise finger and ring sizing, User-friendly interface, Supports multiple measurement systems, Compatible with Apple Watch, Accurate online jewelry sizing

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro | $2.99 | per 7 days |
| Ring Sizer Pro | $4.99 | per 7 days |
| Ring Sizer Pro | $4.99 | per 7 days |
| Ring Size Pro | $6.99 | per month |
| Ring Sizer Pro | $29.99 | per year |

**What reviewers like**

- ⭐️ Accurate measurements
- 👍 Easy to use
- 🚀 Convenient ring sizer
- 🔍 Helpful for online purchases

**What reviewers complain about**

- 🔒 Difficult to cancel subscription
- 💰 Paid subscription required
- 🐛 Inconsistent sizing results
- 🤯 Confusing/misleading free trial
- 🚫 Doesn't work as advertised

**Reported bugs**

- Blank screen when trying to measure
- Incorrect ring size measurements

**Requested features**

- Easier subscription cancellation
- Free, one-time usage option


### Acira

[App page](https://appshunter.io/ios/app/acira/id6745481555)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer free?

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

### Is Acira free?

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

### Do Ring Sizer or Acira have ads?

Ring Sizer shows ads; Acira does not.

### Which is updated more often, Ring Sizer or Acira?

Ring Sizer ships an update every 3 weeks, and Acira every 9 days. Most recently, Ring Sizer was updated on October 27, 2026 and Acira on October 25, 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.*