# SleepPromotion vs Spire

The clearest difference is price: Spire at Free against SleepPromotion's $0.49. Spire also leads on update cadence (every 3 days vs every 2 weeks). SleepPromotion's advantage is in-app purchases (none vs 5) and ads (none vs shown).

Spire is free to download; SleepPromotion costs $0.49 up front. Spire sells 5 in-app purchases, starting at $2.99 per month. SleepPromotion asks for nothing beyond the download.

SleepPromotion ships an update every 2 weeks, Spire every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SleepPromotion | Spire |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Paid | — |
| Size | 327 MB | 17 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takane okubo](https://appshunter.io/developer/1782046065) | [Naoki Maeda](https://appshunter.io/developer/1896583655) |

## What reviewers say

### SleepPromotion

[App page](https://appshunter.io/ios/app/sleeppromotion/id6738718181)

This app helps you achieve better sleep by allowing you to mix custom soundscapes with Solfeggio frequencies, binaural beats, and noise. It also tracks your sleep quality using your smartphone's accelerometer, analyzing sleep stages and providing a score.

**Highlights:** Customizable sound mixing, Solfeggio frequencies, Binaural beats, Noise generator, Smartphone sleep tracking, Sleep stage analysis, Sleep quality scoring

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

**In-app purchases:** none


### Spire

[App page](https://appshunter.io/ios/app/spire-stair-tracker/id6773581502)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spire Premium Monthly | $2.99 | per month |
| Spire Premium Yearly | $19.99 | per year |
| Freeze ×3 | $0.99 | one-time |
| Freeze ×10 | $2.99 | one-time |
| Freeze ×25 | $5.99 | one-time |


## Frequently asked questions

### Is SleepPromotion free?

SleepPromotion costs $0.49, with no in-app purchases.

### Is Spire free?

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

### Do SleepPromotion or Spire have ads?

Spire shows ads; SleepPromotion does not.

### Which is updated more often, SleepPromotion or Spire?

SleepPromotion ships an update every 2 weeks, and Spire every 3 days. Most recently, SleepPromotion was updated on October 30, 2026 and Spire on October 25, 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.*