# SilentSlide vs Therblig

The clearest difference is in-app purchases: SilentSlide at none against Therblig's 1. SilentSlide also leads on device support (3 vs 1). Therblig's advantage is update cadence (weekly vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Therblig sells 1 one-off in-app purchase. SilentSlide asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SilentSlide against 5.0 for Therblig. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

SilentSlide ships an update monthly, Therblig weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | SilentSlide | Therblig |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/silentslide/id6757140491/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/therblig-time-study/id6792123370/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 2 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bicoastal AI, LLC](https://appshunter.io/developer/1824596591) | [Marcelo Maldonado](https://appshunter.io/developer/6790241058) |

## What reviewers say

### SilentSlide

[App page](https://appshunter.io/ios/app/silentslide/id6757140491)

Transform your Apple Watch into a discreet presentation remote for your Mac. Control slides with intuitive gestures and receive haptic feedback for each change. Works seamlessly with popular presentation software.

**Highlights:** Gesture control for slide navigation, Haptic feedback for slide changes, Instant automatic pairing, Offline presentation control, Discreet and hands-free operation, Supports Keynote, PowerPoint, Google Slides

**In-app purchases:** none


### Therblig

[App page](https://appshunter.io/ios/app/therblig-time-study/id6792123370)

This app is a time study instrument designed for industrial engineers to measure work elements, rate performance, and calculate standard times. It offers a unique cycle dial for real-time pace tracking and robust statistical analysis tools. Data can be exported for further analysis in spreadsheets.

**Highlights:** Continuous method timing, Cycle dial for pace tracking, Out-of-sequence work capture, Statistical analysis and outlier detection, Performance rating with leveling guide, PFD allowance application, CSV data export

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Therblig — Time Study | $39.99 | one-time |


## Frequently asked questions

### Is SilentSlide free?

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

### Is Therblig free?

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

### Which has better reviews, SilentSlide or Therblig?

SilentSlide and Therblig are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do SilentSlide or Therblig have ads?

Neither SilentSlide nor Therblig shows ads.

### Which is updated more often, SilentSlide or Therblig?

SilentSlide ships an update monthly, and Therblig weekly. Most recently, SilentSlide was updated on October 31, 2026 and Therblig on October 31, 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.*