# Sleep IGO vs Voice Over Clock

The clearest difference is in-app purchases: Voice Over Clock at none against Sleep IGO's 1. Voice Over Clock also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Sleep IGO sells 1 one-off in-app purchase. Voice Over Clock asks for nothing beyond the download.

Sleep IGO ships an update every 4 months, Voice Over Clock every 5 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Sleep IGO | Voice Over Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (90 ratings)](https://appshunter.io/ios/app/voice-over-clock/id594106139/reviews)** |
| Number of ratings | — | **90** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 7 MB | 102 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Fujishiro](https://appshunter.io/developer/408783464) | [Takafumi AMANO](https://appshunter.io/developer/581065340) |

## What reviewers say

### Sleep IGO

[App page](https://appshunter.io/ios/app/sleep-igo/id451384740)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| play point 50 | $0.99 | one-time |


### Voice Over Clock

[App page](https://appshunter.io/ios/app/voice-over-clock/id594106139)

This app announces the current time using spoken voice notifications. It works even when music is playing or the app is in the background, making it convenient when you cannot see your screen. Supports English, Italian, and Japanese.

**Highlights:** Spoken time announcements, Background operation, Local notifications, Multi-language support, URL scheme for automation

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Works in the background
- 💡 Helpful for time blindness/ADHD
- ✅ Reliable and functional
- 🗣️ Multiple voice options

**What reviewers complain about**

- 🔇 Sound too quiet
- ⚠️ Inconsistent audio output
- ❌ Not working with iOS updates
- 🎛️ Limited voice options in English
- 🚫 Does not work in silent/vibrate mode

**Reported bugs**

- Audio not working after iOS updates (iOS 15, iOS 14, etc.)
- App stops announcing time in the background after updates
- Audio is inconsistent, sometimes not working
- Sound is too quiet or inaudible
- App stops working after phone updates

**Requested features**

- Ability to adjust the volume of the time announcement
- Option to set specific times for announcements
- Ability to set announcements for specific days of the week
- More English voice options
- Ability to pause other audio when announcing time


## Frequently asked questions

### Is Sleep IGO free?

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

### Is Voice Over Clock free?

Voice Over Clock is free to download, with no in-app purchases.

### Do Sleep IGO or Voice Over Clock have ads?

Both Sleep IGO and Voice Over Clock show ads.

### Which is updated more often, Sleep IGO or Voice Over Clock?

Sleep IGO ships an update every 4 months, and Voice Over Clock every 5 months. Most recently, Sleep IGO was updated on October 26, 2026 and Voice Over Clock on October 23, 2026.

---

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