# Smart Style vs Ring Sizer

The clearest difference is in-app purchases: Smart Style at none against Ring Sizer's 2. Smart Style also leads on iOS requirement (9.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $4.99 per 7 days. Smart Style asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Smart Style | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 16 MB | 38 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen DTSTON CO.,LTD.](https://appshunter.io/developer/1000587323) | [Utku Gogen](https://appshunter.io/developer/1677858400) |

## What reviewers say

### Smart Style

[App page](https://appshunter.io/ios/app/smart-style/id1310256930)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-size/id6760242241)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly | $4.99 | per 7 days |
| Ring Sizer Yearly | $14.99 | per year |


## Frequently asked questions

### Is Smart Style free?

Smart Style 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 Smart Style or Ring Sizer have ads?

Neither Smart Style nor Ring Sizer shows ads.

### Which is updated more often, Smart Style or Ring Sizer?

Smart Style ships an update fortnightly, and Ring Sizer fortnightly. Most recently, Smart Style was updated on September 27, 2026 and Ring Sizer on October 10, 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.*