# Easlo Experiments vs SleepWindow

The clearest difference is update cadence: SleepWindow at every 6 days against Easlo Experiments's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Easlo Experiments sells 1 one-off in-app purchase and SleepWindow sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Easlo Experiments ships an update every 3 weeks, SleepWindow every 6 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Easlo Experiments | SleepWindow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/easlo-experiments/id6743023810/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 3 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Easlo Pte. Ltd.](https://appshunter.io/developer/1800901637) | [anthony mcmurtrey](https://appshunter.io/developer/1843712337) |

## What reviewers say

### Easlo Experiments

[App page](https://appshunter.io/ios/app/easlo-experiments/id6743023810)

This app encourages an experimenter mindset for personal growth. Track new habits, routines, or products for a set duration, logging progress and observations. Review your trials to decide if they fit your life.

**Highlights:** Set custom experiment frequency and duration, Log progress with notes and photos, Home screen widgets for mindfulness, Assign reminders for experiments, Review and reflect on experiment outcomes

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Experiments Pro | $9.99 | one-time |


### SleepWindow

[App page](https://appshunter.io/ios/app/sleepwindow/id6762465676)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepWindow Premium | $1.99 | per month |
| SleepWindow Premium | $9.99 | per year |
| SleepWindow Lifetime Unlock | $7.99 | one-time |


## Frequently asked questions

### Is Easlo Experiments free?

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

### Is SleepWindow free?

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

### Do Easlo Experiments or SleepWindow have ads?

Neither Easlo Experiments nor SleepWindow shows ads.

### Which is updated more often, Easlo Experiments or SleepWindow?

Easlo Experiments ships an update every 3 weeks, and SleepWindow every 6 days. Most recently, Easlo Experiments was updated on October 15, 2026 and SleepWindow on October 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.*