# Nidoria vs Sleep Tracker

The clearest difference is rating: Sleep Tracker at 5.0 against Nidoria's 1.0. Sleep Tracker also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Nidoria's advantage is iOS requirement (15.0 vs 18.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Nidoria sells 2 in-app purchases, starting at $4.99 per month and Sleep Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sleep Tracker holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Nidoria ships an update every 2 months, Sleep Tracker every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Nidoria | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/nidoria-sleep-tracker/id6762128229/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sleep-tracker-sleepwell/id6791633175/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 159 MB | 27 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [AppAspect Technologies Pvt. Ltd.](https://appshunter.io/developer/962656494) | [子涵 王](https://appshunter.io/developer/1822182516) |

## What reviewers say

### Nidoria

[App page](https://appshunter.io/ios/app/nidoria-sleep-tracker/id6762128229)

This app tracks sleep quality using phone sensors, providing detailed sleep stage analysis and a daily sleep score. It offers soothing sounds, smart alarms, and motivational tools to help users improve their sleep habits and wake up refreshed.

**Highlights:** Automatic sleep tracking without wearables, Sleep stage classification (Awake, Light, Deep, REM), Daily Sleep Score (0-100), Soothing sleep sounds library, Smart alarm for gentle wake-ups, Sleep reports and history, Bedtime reminders and streaks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $4.99 | per month |
| Yearly Premium Subscription | $14.99 | per year |


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-sleepwell/id6791633175)

Gain insights into your sleep patterns, including duration, stages, and overnight health trends. Utilize optional AI analysis for actionable steps and enjoy relaxing sounds for better rest. Monitor snoring and other night sounds privately on your device.

**Highlights:** Sleep duration and stage tracking, AI-powered sleep insights, Relaxing sound library, Night sound monitoring (snoring, coughing), Apple Health integration, Manual sleep recording

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WEEKLY | $2.99 | per 7 days |
| MONTHLY | $8.99 | per month |
| ANNUAL | $29.99 | per year |


## Frequently asked questions

### Is Nidoria free?

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

### Is Sleep Tracker free?

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

### Which has better reviews, Nidoria or Sleep Tracker?

Sleep Tracker is rated higher. Nidoria averages 1.0 out of 5 from 1 ratings, while Sleep Tracker averages 5.0 from 1 ratings.

### Do Nidoria or Sleep Tracker have ads?

Nidoria shows ads; Sleep Tracker does not.

### Which is updated more often, Nidoria or Sleep Tracker?

Nidoria ships an update every 2 months, and Sleep Tracker every 3 weeks. Most recently, Nidoria was updated on October 31, 2026 and Sleep Tracker on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*