# Timer Machine vs Rostrum

The clearest difference is review sentiment: Rostrum at 100% against Timer Machine's 50%. Rostrum also leads on rating (5.0 vs 3.8) and update cadence (daily vs every 5 months). Timer Machine's advantage is ratings volume (20 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rostrum holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Timer Machine has 20 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Timer Machine's written reviews are positive against 100% of Rostrum's.

Timer Machine ships an update every 5 months, Rostrum daily. Both last shipped on September 23, 2026.

## The numbers

| Metric | Timer Machine | Rostrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (20 ratings)](https://appshunter.io/ios/app/timer-machine/id1387301617/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rostrum-speaker-timer/id6797343777/reviews)** |
| Number of ratings | **20** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Free | Free |
| Size | 14 MB | 1 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Montage App, Inc.](https://appshunter.io/developer/1530864548) | [Scott GREER](https://appshunter.io/developer/1889757381) |

## What reviewers say

### Timer Machine

[App page](https://appshunter.io/ios/app/timer-machine/id1387301617)

Manage your time effectively with three customizable timers. Set personalized alert sounds to suit your workflow for work, study, or personal projects. This app offers an intuitive interface for a more organized approach to your day.

**Highlights:** Three personalized timers, Customizable alert sounds, User-friendly interface, Time management for work and study, Intuitive design

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Rostrum

[App page](https://appshunter.io/ios/app/rostrum-speaker-timer/id6797343777)

This app provides a silent, visual countdown timer for speakers, with customizable color cues to indicate time remaining. It offers intuitive gesture controls for adjustments and can mirror the display to a larger screen.

**Highlights:** Silent visual countdown, Customizable color stages, Gesture-based editing, External display mirroring, Never dims screen, Remembers settings

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Timer Machine free?

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

### Is Rostrum free?

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

### Which has better reviews, Timer Machine or Rostrum?

Rostrum is rated higher. Timer Machine averages 3.8 out of 5 from 20 ratings, while Rostrum averages 5.0 from 1 ratings.

### Do Timer Machine or Rostrum have ads?

Neither Timer Machine nor Rostrum shows ads.

### Which is updated more often, Timer Machine or Rostrum?

Timer Machine ships an update every 5 months, and Rostrum daily. Most recently, Timer Machine was updated on September 23, 2026 and Rostrum on September 23, 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.*