# 39 vs Standby Clock

The clearest difference is in-app purchases: 39 at none against Standby Clock's 3. 39 also leads on iOS requirement (10.0 vs 15.0). Standby Clock's advantage is device support. On price there is nothing between them.

Both are free to download. Standby Clock sells 3 one-off in-app purchases. 39 asks for nothing beyond the download.

## The numbers

| Metric | 39 | Standby Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (713 ratings)](https://appshunter.io/ios/app/standby-clock-on-lock-screen/id1466459620/reviews)** |
| Number of ratings | — | **713** |
| Positive reviews | — | 61.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 56 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xgroup srl](https://appshunter.io/developer/1190334689) | [云云 唐](https://appshunter.io/developer/1443085254) |

## What reviewers say

### 39

[App page](https://appshunter.io/ios/app/39/id1343285499)

**In-app purchases:** none


### Standby Clock

[App page](https://appshunter.io/ios/app/standby-clock-on-lock-screen/id1466459620)

This app transforms your device into a full-screen digital clock with customizable fonts and colors. It offers a musical alarm, displays seconds on the dynamic island and lock screen, and can broadcast the time hourly. Enjoy background alarms with custom ringtones and various widget options.

**Highlights:** Full-screen digital time display, Seconds on dynamic island and lock screen, Customizable digital font styles and colors, Musical alarm with custom ringtones, Hourly chime and voice broadcasting, Lock screen and Home Screen widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| All Clock Styles | $0.99 | one-time |
| Pro Version | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🕰️ Customizable clock display
- 💡 Useful night light feature
- 🔍 Clear and accurate time display

**What reviewers complain about**

- 🐛 Vertical time display not preferred
- 🕰️ Lack of additional features (e.g., weather, date)
- 💰 Paid app with limited free features
- 🔋 Short screen time before turning off

**Reported bugs**

- Clock not displaying properly on home screen
- Alarm not working as expected

**Requested features**

- Add horizontal time display option
- Include weather and date information
- Improve screen timeout settings
- Offer more customization options


## Frequently asked questions

### Is 39 free?

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

### Is Standby Clock free?

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

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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.*