# Lockable Alarm Clock vs Time Master

The clearest difference is rating: Lockable Alarm Clock at 4.5 against Time Master's 2.3. Lockable Alarm Clock also leads on ratings volume (50 vs 3) and review sentiment (43% vs 33%). Time Master's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Lockable Alarm Clock sells 1 one-off in-app purchase. Time Master asks for nothing beyond the download.

Lockable Alarm Clock holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: Lockable Alarm Clock has 50 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 43% of Lockable Alarm Clock's written reviews are positive against 33% of Time Master's.

Lockable Alarm Clock ships an update every 7 months, Time Master weekly. Both last shipped on October 5, 2026.

## The numbers

| Metric | Lockable Alarm Clock | Time Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (50 ratings)](https://appshunter.io/ios/app/lockable-alarm-clock/id820292105/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/time-master/id1209742668/reviews) |
| Number of ratings | **50** | 3 |
| Positive reviews | **42.9% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 77 MB | 16 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jarig Duval](https://appshunter.io/developer/539738096) | [ZIZO APPS PTY. LIMITED](https://appshunter.io/developer/1175946477) |

## What reviewers say

### Lockable Alarm Clock

[App page](https://appshunter.io/ios/app/lockable-alarm-clock/id820292105)

This utility app prevents users from snoozing or resetting their alarms, ensuring they wake up on time. It helps users establish healthier sleep habits by making it impossible to delay their wake-up calls.

**Highlights:** Multiple alarms, Locked alarms, Customizable ringtones, Prevents resetting, Promotes healthier sleep

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free | $6.99 | one-time |


### Time Master

[App page](https://appshunter.io/ios/app/time-master/id1209742668)

Design and manage custom timer sequences for interval timing. Organize multiple timers into series, set durations, and choose completion sounds. Personalize your experience with custom themes and track your timer runs.

**Highlights:** Create custom timer series, Organize timers into sequences, Set individual timer intervals, Choose completion tones, Customizable themes, Track record of timer runs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lockable Alarm Clock free?

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

### Is Time Master free?

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

### Which has better reviews, Lockable Alarm Clock or Time Master?

Lockable Alarm Clock is rated higher. Lockable Alarm Clock averages 4.5 out of 5 from 50 ratings, while Time Master averages 2.3 from 3 ratings.

### Do Lockable Alarm Clock or Time Master have ads?

Lockable Alarm Clock shows ads; Time Master does not.

### Which is updated more often, Lockable Alarm Clock or Time Master?

Lockable Alarm Clock ships an update every 7 months, and Time Master weekly. Most recently, Lockable Alarm Clock was updated on October 5, 2026 and Time Master on October 5, 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.*