# CountDown Voice Timer vs SleepPromotion

The clearest difference is price: CountDown Voice Timer at Free against SleepPromotion's $0.49. SleepPromotion's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence and device support there is nothing between them.

CountDown Voice Timer is free to download; SleepPromotion costs $0.49 up front. CountDown Voice Timer sells 2 in-app purchases, starting at $1.99 per month. SleepPromotion asks for nothing beyond the download.

CountDown Voice Timer ships an update weekly, SleepPromotion every 2 weeks. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CountDown Voice Timer | SleepPromotion |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 19 MB | 327 MB |
| Requires iOS | 18.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ryo muranaka](https://appshunter.io/developer/1606480078) | [Takane okubo](https://appshunter.io/developer/1782046065) |

## What reviewers say

### CountDown Voice Timer

[App page](https://appshunter.io/ios/app/countdown-voice-timer/id6447489589)

This app provides voice-guided countdown and count-up timers for various activities, including workouts, stretching, and study sessions. It offers customizable voice settings in multiple languages and automatic set tracking for seamless progress monitoring.

**Highlights:** Voice-guided countdown and count-up timer, 32-language voice support, Customizable voice settings, Automatic set tracking, Save favorite timer presets, Progress graphs (premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $11.99 | per year |


### 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


## Frequently asked questions

### Is CountDown Voice Timer free?

CountDown Voice Timer is free to download, with in-app purchases available.

### Is SleepPromotion free?

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

### Do CountDown Voice Timer or SleepPromotion have ads?

CountDown Voice Timer shows ads; SleepPromotion does not.

### Which is updated more often, CountDown Voice Timer or SleepPromotion?

CountDown Voice Timer ships an update weekly, and SleepPromotion every 2 weeks. Most recently, CountDown Voice Timer was updated on October 20, 2026 and SleepPromotion on October 3, 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.*