# Apex Vision vs Ring Sizer

The clearest difference is in-app purchases: Apex Vision at none against Ring Sizer's 2. Apex Vision also leads on update cadence (monthly vs every 2 months) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $2.99 per 7 days. Apex Vision asks for nothing beyond the download.

Apex Vision ships an update monthly, Ring Sizer every 2 months. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Apex Vision | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 302 MB | 15 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [APEX Smart Technology](https://appshunter.io/developer/1865379605) | [RUEBEN ANSOLIWEN AKANKOBATENG](https://appshunter.io/developer/1880083403) |

## What reviewers say

### Apex Vision

[App page](https://appshunter.io/ios/app/apex-vision/id6757214178)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-size-and-measure/id6785290549)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access weekly | $2.99 | per 7 days |
| All access Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Apex Vision free?

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

### Is Ring Sizer free?

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

### Do Apex Vision or Ring Sizer have ads?

Neither Apex Vision nor Ring Sizer shows ads.

### Which is updated more often, Apex Vision or Ring Sizer?

Apex Vision ships an update monthly, and Ring Sizer every 2 months. Most recently, Apex Vision was updated on September 14, 2026 and Ring Sizer on September 8, 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.*