# Developer Box for Film vs ProLab Film Developer

The clearest difference is price: Developer Box for Film at Free against ProLab Film Developer's $7.99. ProLab Film Developer's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Developer Box for Film is free to download; ProLab Film Developer costs $7.99 up front. Developer Box for Film sells 1 one-off in-app purchase. ProLab Film Developer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Developer Box for Film | ProLab Film Developer |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prolab-film-developer/id6759682425/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Paid |
| Size | 4 MB | 189 MB |
| Requires iOS | 16.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [zlent solutions ou](https://appshunter.io/developer/1499220525) | [James Maher](https://appshunter.io/developer/1880183966) |

## What reviewers say

### Developer Box for Film

[App page](https://appshunter.io/ios/app/developer-box-for-film/id1580604412)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation | $1.99 | one-time |


### ProLab Film Developer

[App page](https://appshunter.io/ios/app/prolab-film-developer/id6759682425)

Achieve consistent color film development at home with real-time adjustments for temperature and chemistry. This app eliminates guesswork by actively recalculating development times based on changing conditions, ensuring repeatable results without expensive equipment.

**Highlights:** Real-time time compensation, Chemistry tracking, Dynamic Time-Temperature Engine, Push processing support, Guided workflow, Supports major C-41 kits

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

**In-app purchases:** none


## Frequently asked questions

### Is Developer Box for Film free?

Developer Box for Film is free to download, with in-app purchases available.

### Is ProLab Film Developer free?

ProLab Film Developer costs $7.99, with no in-app purchases.

### Do Developer Box for Film or ProLab Film Developer have ads?

Neither Developer Box for Film nor ProLab Film Developer shows ads.

### Which is updated more often, Developer Box for Film or ProLab Film Developer?

Developer Box for Film ships an update every 3 months, and ProLab Film Developer every 3 months. Most recently, Developer Box for Film was updated on September 24, 2026 and ProLab Film Developer on October 5, 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.*