# Sleep Efficiency Tracker vs Sparkles

The clearest difference is update cadence: Sleep Efficiency Tracker at daily against Sparkles's weekly. Sleep Efficiency Tracker also leads on iOS requirement (13.4 vs 15.1). Sparkles's advantage is ratings volume (5 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Sleep Efficiency Tracker against 5.0 for Sparkles. That said, the two scores are not equally well evidenced: Sparkles has 5 ratings behind it against 1, so its average is the more settled of the two.

Sleep Efficiency Tracker ships an update daily, Sparkles weekly. Both last shipped on November 4, 2026.

## The numbers

| Metric | Sleep Efficiency Tracker | Sparkles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sleep-efficiency-tracker/id6736605891/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/sparkles-mantra-reminders/id6737444079/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | Free | Free |
| Size | 19 MB | 45 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Smith](https://appshunter.io/developer/1674883761) | [Ben Novak](https://appshunter.io/developer/770088897) |

## What reviewers say

### Sleep Efficiency Tracker

[App page](https://appshunter.io/ios/app/sleep-efficiency-tracker/id6736605891)

Improve sleep quality and combat insomnia using CBT-I principles. This tool helps track and optimize sleep patterns by calculating a sleep efficiency score for better rest.

**Highlights:** Track sleep patterns, Calculate sleep efficiency score, Combat insomnia, Based on CBT-I principles, Improve sleep quality, Gain insights for better rest

**Features:** macOS Compatibility

**In-app purchases:** none


### Sparkles

[App page](https://appshunter.io/ios/app/sparkles-mantra-reminders/id6737444079)

This app helps you remember important personal insights, affirmations, or quotes through customizable reminders and widgets. It leverages research-backed principles to promote well-being and habit formation by delivering timely messages.

**Highlights:** Customizable reminders, Home and lock screen widgets, Live Activities support, Personalized content creation, Research-backed well-being principles, Free quote packs

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Efficiency Tracker free?

Sleep Efficiency Tracker is free to download, with no in-app purchases.

### Is Sparkles free?

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

### Which has better reviews, Sleep Efficiency Tracker or Sparkles?

Sleep Efficiency Tracker and Sparkles are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do Sleep Efficiency Tracker or Sparkles have ads?

Neither Sleep Efficiency Tracker nor Sparkles shows ads.

### Which is updated more often, Sleep Efficiency Tracker or Sparkles?

Sleep Efficiency Tracker ships an update daily, and Sparkles weekly. Most recently, Sleep Efficiency Tracker was updated on November 4, 2026 and Sparkles on November 4, 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.*