# HandCal Handwriting Calculator vs Interval Timer

The clearest difference is device support: Interval Timer at 3 against HandCal Handwriting Calculator's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HandCal Handwriting Calculator ships an update every 5 weeks, Interval Timer every 2 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | HandCal Handwriting Calculator | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 5 MB | 21 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [nz-sw](https://appshunter.io/developer/502363484) | [SEOKWON YANG](https://appshunter.io/developer/1863325487) |

## What reviewers say

### HandCal Handwriting Calculator

[App page](https://appshunter.io/ios/app/handcal-handwriting-calculator/id6504625060)

**Features:** macOS Compatibility

**In-app purchases:** none


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-slox/id6784544078)

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

**In-app purchases:** none


## Frequently asked questions

### Is HandCal Handwriting Calculator free?

HandCal Handwriting Calculator is free to download, with no in-app purchases.

### Is Interval Timer free?

Interval Timer is free to download, with no in-app purchases.

### Do HandCal Handwriting Calculator or Interval Timer have ads?

Both HandCal Handwriting Calculator and Interval Timer show ads.

### Which is updated more often, HandCal Handwriting Calculator or Interval Timer?

HandCal Handwriting Calculator ships an update every 5 weeks, and Interval Timer every 2 months. Most recently, HandCal Handwriting Calculator was updated on October 24, 2026 and Interval Timer on October 17, 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.*