# base4work SK vs Ring Sizer

The clearest difference is in-app purchases: base4work SK at none against Ring Sizer's 2. base4work SK also leads on ads (none vs shown) and iOS requirement (13.4 vs 16.6). Ring Sizer's advantage is update cadence (fortnightly vs every 3 months). On price 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. base4work SK asks for nothing beyond the download.

base4work SK ships an update every 3 months, Ring Sizer fortnightly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | base4work SK | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 29 MB | 62 MB |
| Requires iOS | **13.4** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BASE](https://appshunter.io/developer/1592464846) | [Mastertex Fab](https://appshunter.io/developer/1857166298) |

## What reviewers say

### base4work SK

[App page](https://appshunter.io/ios/app/base4work-sk/id1592464844)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-finger-size/id6788002855)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MeasureRing One Week | $4.99 | per 7 days |
| MeasureRing One Year | $19.99 | per year |


## Frequently asked questions

### Is base4work SK free?

base4work SK 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 base4work SK or Ring Sizer have ads?

Ring Sizer shows ads; base4work SK does not.

### Which is updated more often, base4work SK or Ring Sizer?

base4work SK ships an update every 3 months, and Ring Sizer fortnightly. Most recently, base4work SK was updated on October 8, 2026 and Ring Sizer on October 12, 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.*