# Circle Skirt Sewing Calculator vs VTimer

The clearest difference is in-app purchases: Circle Skirt Sewing Calculator at none against VTimer's 1. Circle Skirt Sewing Calculator also leads on iOS requirement (13.0 vs 15.0). VTimer's advantage is update cadence (monthly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. VTimer sells 1 in-app purchase, starting at $1.99 per year. Circle Skirt Sewing Calculator asks for nothing beyond the download.

Circle Skirt Sewing Calculator ships an update every 7 months, VTimer monthly. The most recent releases landed on September 15, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Circle Skirt Sewing Calculator | VTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Size | 22 MB | 37 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seulki Eom](https://appshunter.io/developer/1718927408) | [Yeongsang Kim](https://appshunter.io/developer/1692023287) |

## What reviewers say

### Circle Skirt Sewing Calculator

[App page](https://appshunter.io/ios/app/circle-skirt-sewing-calculator/id6746253598)

**Features:** macOS Compatibility

**In-app purchases:** none


### VTimer

[App page](https://appshunter.io/ios/app/vtimer-custom-interval-timer/id6760679268)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Annual | $1.99 | per year |


## Frequently asked questions

### Is Circle Skirt Sewing Calculator free?

Circle Skirt Sewing Calculator is free to download, with no in-app purchases.

### Is VTimer free?

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

### Do Circle Skirt Sewing Calculator or VTimer have ads?

Both Circle Skirt Sewing Calculator and VTimer show ads.

### Which is updated more often, Circle Skirt Sewing Calculator or VTimer?

Circle Skirt Sewing Calculator ships an update every 7 months, and VTimer monthly. Most recently, Circle Skirt Sewing Calculator was updated on September 15, 2026 and VTimer on September 7, 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.*