# Workshop Measurement System vs Twilight Time

The clearest difference is ads: Workshop Measurement System at none against Twilight Time's shown. Twilight Time's advantage is update cadence (every 2 weeks vs every 19 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Workshop Measurement System ships an update every 19 months, Twilight Time every 2 weeks. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Workshop Measurement System | Twilight Time |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 2 weeks** |
| Size | 10 MB | 36 MB |
| Requires iOS | 17.0 | **16.7.10** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Torsten Schloßmacher](https://appshunter.io/developer/482485601) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Workshop Measurement System

[App page](https://appshunter.io/ios/app/workshop-measurement-system/id1546098925)

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

**In-app purchases:** none


### Twilight Time

[App page](https://appshunter.io/ios/app/twilight-time/id6503278537)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Workshop Measurement System free?

Workshop Measurement System is free to download, with no in-app purchases.

### Is Twilight Time free?

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

### Do Workshop Measurement System or Twilight Time have ads?

Twilight Time shows ads; Workshop Measurement System does not.

### Which is updated more often, Workshop Measurement System or Twilight Time?

Workshop Measurement System ships an update every 19 months, and Twilight Time every 2 weeks. Most recently, Workshop Measurement System was updated on September 10, 2026 and Twilight Time on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*