# ProLab Film Developer vs ShutterDoc

The clearest difference is update cadence: ShutterDoc at every 4 days against ProLab Film Developer's every 3 months. ShutterDoc also leads on price ($2.99 vs $7.99). ProLab Film Developer's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

ProLab Film Developer costs $7.99 and ShutterDoc $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProLab Film Developer ships an update every 3 months, ShutterDoc every 4 days. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ProLab Film Developer | ShutterDoc |
| --- | --- | --- |
| Price | $7.99 | **$2.99** |
| 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 | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 189 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [James Maher](https://appshunter.io/developer/1880183966) | [NEIL ANTHONY SAYERS](https://appshunter.io/developer/6804470452) |

## What reviewers say

### 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


### ShutterDoc

[App page](https://appshunter.io/ios/app/shutterdoc-shutter-speed-test/id6804470450)

This app measures the actual shutter speeds of film cameras, detecting inaccuracies and capping issues. It provides detailed readings, stores camera libraries, and exports data for buyers or repairers.

**Highlights:** Measures shutter speeds from 1 second to 1/500, Detects shutter capping, Provides confidence on readings, Maintains a library of tested cameras, Exports readings and capping maps as CSV, Guides users through setup

**In-app purchases:** none


## Frequently asked questions

### Is ProLab Film Developer free?

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

### Is ShutterDoc free?

ShutterDoc costs $2.99, with no in-app purchases.

### Do ProLab Film Developer or ShutterDoc have ads?

Neither ProLab Film Developer nor ShutterDoc shows ads.

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

ProLab Film Developer ships an update every 3 months, and ShutterDoc every 4 days. Most recently, ProLab Film Developer was updated on October 31, 2026 and ShutterDoc on November 3, 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.*