# MyETC vs Chrono

The clearest difference is in-app purchases: MyETC at none against Chrono's 1. MyETC also leads on iOS requirement (12.0 vs 18.6). Chrono's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads and device support there is nothing between them.

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

MyETC ships an update every 6 weeks, Chrono every 4 days. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | MyETC | Chrono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/myetc-photometrics/id1447394032/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 34 MB | 21 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Electronic Theatre Controls, Inc.](https://appshunter.io/developer/318210459) | [NICHOLAS SALVATORE PUYA](https://appshunter.io/developer/1892821322) |

## What reviewers say

### MyETC

[App page](https://appshunter.io/ios/app/myetc-photometrics/id1447394032)

Estimate luminaire performance on stage with dynamic photometric data. Configure, compare, and save custom photometrics for any fixture, including gel libraries and DMX values. Quickly access condensed datasheet information for ETC fixtures.

**Highlights:** Dynamic photometric data estimation, Fixture configuration and comparison, Customizable photometrics, Full gel libraries with DMX values, Condensed datasheet information, Save favorite fixtures

**Features:** Vision Pro support

**In-app purchases:** none


### Chrono

[App page](https://appshunter.io/ios/app/chrono-tithe-turn-timer/id6778462956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chrono-Tithe Pro | $4.99 | one-time |


## Frequently asked questions

### Is MyETC free?

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

### Is Chrono free?

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

### Do MyETC or Chrono have ads?

Neither MyETC nor Chrono shows ads.

### Which is updated more often, MyETC or Chrono?

MyETC ships an update every 6 weeks, and Chrono every 4 days. Most recently, MyETC was updated on September 19, 2026 and Chrono on September 11, 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.*