# Ring Sizer vs Ringbox

Ring Sizer and Ringbox are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Ring Sizer sells 4 in-app purchases, starting at $2.99 per 7 days and Ringbox sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ring Sizer ships an update weekly, Ringbox every 2 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Ring Sizer | Ringbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 9 MB | 73 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Heinz Meier](https://appshunter.io/developer/1824697405) | [Juan Antonio Veloz Gutierrez](https://appshunter.io/developer/1810351183) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-size-finder/id6787279321)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $3.99 | per month |
| Ring Sizer Pro Yearly | $12.99 | per year |
| Ring Sizer Pro Lifetime | $17.99 | one-time |


### Ringbox

[App page](https://appshunter.io/ios/app/ringbox-ring-sizer/id6814695090)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond plan — Weekly | $6.99 | per 7 days |
| Diamond plan — Yearly | $24.99 | per year |
| Diamond plan — Lifetime deal | $17.49 | one-time |
| Diamond plan — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Ring Sizer free?

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

### Is Ringbox free?

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

### Do Ring Sizer or Ringbox have ads?

Neither Ring Sizer nor Ringbox shows ads.

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

Ring Sizer ships an update weekly, and Ringbox every 2 weeks. Most recently, Ring Sizer was updated on October 25, 2026 and Ringbox on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*