# Open Loops vs Scientific Timer

The clearest difference is price: Open Loops at Free against Scientific Timer's $0.99. Open Loops also leads on iOS requirement (16.4 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Open Loops is free to download; Scientific Timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Open Loops | Scientific Timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/open-loops-get-things-done/id6504644472/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 16 months |
| Monetization | Free | — |
| Size | 30 MB | 8 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kalyanraman Venkatraman](https://appshunter.io/developer/1753190697) | [Stephane Boutet](https://appshunter.io/developer/1794014850) |

## What reviewers say

### Open Loops

[App page](https://appshunter.io/ios/app/open-loops-get-things-done/id6504644472)

This app helps you break down large goals into actionable steps, eliminating overwhelm and procrastination. It offers multiple views, cross-device syncing, and integration with other tools to foster mental clarity and purposeful progress.

**Highlights:** Break down goals into actionable steps, Define overarching life goals, Map out steps with Subloops, Focus on immediate next actions, Journaling and review tools, Multiple views (lists, boards, timelines), Cross-device syncing

**Features:** macOS Compatibility

**In-app purchases:** none


### Scientific Timer

[App page](https://appshunter.io/ios/app/scientific-timer/id6741395405)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open Loops free?

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

### Is Scientific Timer free?

Scientific Timer costs $0.99, with no in-app purchases.

### Do Open Loops or Scientific Timer have ads?

Neither Open Loops nor Scientific Timer 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.*