# Silver Lab vs Agitate

The clearest difference is in-app purchases: Silver Lab at none against Agitate's 1. Silver Lab also leads on ads (none vs shown). Agitate's advantage is update cadence (every 4 days vs every 4 weeks) and iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Agitate sells 1 one-off in-app purchase. Silver Lab asks for nothing beyond the download.

Silver Lab ships an update every 4 weeks, Agitate every 4 days. The most recent releases landed on September 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Silver Lab | Agitate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/agitate-film-dev-timer/id6796387774/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 7 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [GREGORY HARRISON SCHUCH](https://appshunter.io/developer/1886776940) | [Levin David Schwab](https://appshunter.io/developer/1896432297) |

## What reviewers say

### Silver Lab

[App page](https://appshunter.io/ios/app/silver-lab-film-dev-timer/id6760915545)

**In-app purchases:** none


### Agitate

[App page](https://appshunter.io/ios/app/agitate-film-dev-timer/id6796387774)

This app provides a reliable timer for home film development, supporting black and white, C-41, and E-6 processes. It features a unique clock that records step completion, not just countdowns, ensuring accuracy even after interruptions. Designed for darkroom use with safelight mode and intuitive controls.

**Highlights:** Accurate timekeeping that records step completion, Safelight mode with red screen and low brightness, Full screen button for easy operation in the dark, Tap-based agitation tracking with optional sound, Precise timing for drain and mid-run adjustments, Detailed agitation schemes and temperature conversions, Extensive database of published film development recipes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Agitate Pro | $4.99 | one-time |


## Frequently asked questions

### Is Silver Lab free?

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

### Is Agitate free?

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

### Do Silver Lab or Agitate have ads?

Agitate shows ads; Silver Lab does not.

### Which is updated more often, Silver Lab or Agitate?

Silver Lab ships an update every 4 weeks, and Agitate every 4 days. Most recently, Silver Lab was updated on September 19, 2026 and Agitate on October 2, 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.*