# Presentation Clock TimeKeeper vs String Master

The clearest difference is in-app purchases: String Master at none against Presentation Clock TimeKeeper's 3. String Master also leads on ads (none vs shown). Presentation Clock TimeKeeper's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. Presentation Clock TimeKeeper sells 3 in-app purchases, starting at $1.99 per month. String Master asks for nothing beyond the download.

## The numbers

| Metric | Presentation Clock TimeKeeper | String Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/presentation-clock-timekeeper/id6449137372/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jordan Holland](https://appshunter.io/developer/1041851744) | [David Yates](https://appshunter.io/developer/1690412332) |

## What reviewers say

### Presentation Clock TimeKeeper

[App page](https://appshunter.io/ios/app/presentation-clock-timekeeper/id6449137372)

This app helps you manage your speaking time during presentations and speeches. It offers customizable bell sounds and visual indicators to keep you on track and deliver impactful performances.

**Highlights:** Flexible timer management (start, pause, reset), Customizable bell sounds at three intervals, Optional notifications, Visual indicators for time awareness, User-friendly interface, Versatile for speeches, debates, and meetings

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium | $12.99 | per year |
| Premium | $19.99 | one-time |


### String Master

[App page](https://appshunter.io/ios/app/string-master/id6473636981)

**In-app purchases:** none


## Frequently asked questions

### Is Presentation Clock TimeKeeper free?

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

### Is String Master free?

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

### Do Presentation Clock TimeKeeper or String Master have ads?

Presentation Clock TimeKeeper shows ads; String Master does not.

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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.*