# Keet Activate vs SLEEP SYNTH

The clearest difference is review sentiment: SLEEP SYNTH at 100% against Keet Activate's 15%. SLEEP SYNTH also leads on rating (5.0 vs 2.4). Keet Activate's advantage is price (Free vs $1.99) and update cadence (every 2 months vs every 8 months). On ads and in-app purchases there is nothing between them.

Keet Activate is free to download; SLEEP SYNTH costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SLEEP SYNTH holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Keet Activate has 44 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 15% of Keet Activate's written reviews are positive against 100% of SLEEP SYNTH's.

Keet Activate ships an update every 2 months, SLEEP SYNTH every 8 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Keet Activate | SLEEP SYNTH |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [2.4 (44 ratings)](https://appshunter.io/ios/app/keet-activate/id1529474491/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sleep-synth/id6748157970/reviews)** |
| Number of ratings | **44** | 3 |
| Positive reviews | 15.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | **Free** | Paid |
| Size | 47 MB | 82 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Keet Inc.](https://appshunter.io/developer/1168354285) | [Andrew Nunez](https://appshunter.io/developer/1818922422) |

## What reviewers say

### Keet Activate

[App page](https://appshunter.io/ios/app/keet-activate/id1529474491)

This app empowers patients to actively participate in their healthcare journey. It facilitates seamless communication with providers, enabling personalized recovery plans through progress tracking and educational resources.

**Highlights:** Weekly progress tracking via questions, Direct communication with healthcare provider, In-app messaging, Educational recovery materials, Task completion checklist

**Features:** Vision Pro support

**In-app purchases:** none


### SLEEP SYNTH

[App page](https://appshunter.io/ios/app/sleep-synth/id6748157970)

This app uses science-backed sound and light therapy to improve sleep, focus, and emotional balance. It offers targeted audio sessions for deep rest, cognitive clarity, ADHD support, and stress relief.

**Highlights:** Science-backed sound therapy, Light therapy integration, Deep sleep enhancement, Cognitive clarity improvement, ADHD focus and calm, Anxiety and stress relief, Mood and emotional balance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Keet Activate free?

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

### Is SLEEP SYNTH free?

SLEEP SYNTH costs $1.99, with no in-app purchases.

### Which has better reviews, Keet Activate or SLEEP SYNTH?

SLEEP SYNTH is rated higher. Keet Activate averages 2.4 out of 5 from 44 ratings, while SLEEP SYNTH averages 5.0 from 3 ratings.

### Do Keet Activate or SLEEP SYNTH have ads?

Neither Keet Activate nor SLEEP SYNTH shows ads.

### Which is updated more often, Keet Activate or SLEEP SYNTH?

Keet Activate ships an update every 2 months, and SLEEP SYNTH every 8 months. Most recently, Keet Activate was updated on November 3, 2026 and SLEEP SYNTH on October 30, 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.*