# Intervals vs Curtain Calc Pro

The clearest difference is iOS requirement: Intervals at 13.0 against Curtain Calc Pro's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Intervals | Curtain Calc Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intervals-new/id1192090856/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 116 months | — |
| Monetization | Free | — |
| Size | 20 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Florithm LLC](https://appshunter.io/developer/1192090855) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### Intervals

[App page](https://appshunter.io/ios/app/intervals-new/id1192090856)

This app helps you track recurring tasks and habits by counting the time elapsed since you last completed an activity. It's designed to free your mind from remembering when you last did something, offering a simple way to monitor daily life activities.

**Highlights:** Elapsed time tracking, Habit monitoring, Recurring task management, Customizable trackers, Simple interface

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

**In-app purchases:** none


### Curtain Calc Pro

[App page](https://appshunter.io/ios/app/curtain-calc-pro/id6770147174)

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

**In-app purchases:** none


## Frequently asked questions

### Is Intervals free?

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

### Is Curtain Calc Pro free?

Curtain Calc Pro is free to download, with no in-app purchases.

### Do Intervals or Curtain Calc Pro have ads?

Neither Intervals nor Curtain Calc Pro shows ads.

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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.*