# DevelopFilm vs Silver Lab

The clearest difference is in-app purchases: Silver Lab at none against DevelopFilm's 3. DevelopFilm's advantage is update cadence (every 11 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DevelopFilm sells 3 in-app purchases, starting at $2.99 per month. Silver Lab asks for nothing beyond the download.

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

## The numbers

| Metric | DevelopFilm | Silver Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/developfilm-darkroom-lab/id6749870154/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 24 MB | 14 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandrs Bertulis](https://appshunter.io/developer/1825425669) | [GREGORY HARRISON SCHUCH](https://appshunter.io/developer/1886776940) |

## What reviewers say

### DevelopFilm

[App page](https://appshunter.io/ios/app/developfilm-darkroom-lab/id6749870154)

This app is a pocket darkroom companion for black-and-white film development. It offers official developing times, a smart timer with agitation guidance, and full process control. Track your film details and parameters in a built-in journal to refine your workflow and achieve consistent results.

**Highlights:** Official developing times database, Smart timer with agitation guidance, Full process control adjustments, Built-in film roll journal, Quick custom timer, Darkroom-ready minimal interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Darkroom Pass Monthly | $2.99 | per month |
| Darkroom Pass Yearly | $17.99 | per year |
| Lifetime Pro | $34.99 | one-time |


### Silver Lab

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

**In-app purchases:** none


## Frequently asked questions

### Is DevelopFilm free?

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

### Is Silver Lab free?

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

### Do DevelopFilm or Silver Lab have ads?

Neither DevelopFilm nor Silver Lab shows ads.

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

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