# Film Process Timer vs Thirty Five mm

The clearest difference is in-app purchases: Thirty Five mm at none against Film Process Timer's 1. Thirty Five mm also leads on update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Film Process Timer sells 1 one-off in-app purchase. Thirty Five mm asks for nothing beyond the download.

Film Process Timer ships an update every 6 weeks, Thirty Five mm every 3 weeks. The most recent releases landed on June 1, 2026 and December 13, 2025 respectively.

## The numbers

| Metric | Film Process Timer | Thirty Five mm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/film-process-timer/id1578241522/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 36 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrzej Zawadzki](https://appshunter.io/developer/1578241524) | [Jan Loehr](https://appshunter.io/developer/1462575568) |

## What reviewers say

### Film Process Timer

[App page](https://appshunter.io/ios/app/film-process-timer/id1578241522)

This app helps manage film developing processes with customizable multi-step timers. It offers a special darkroom mode with red hues and allows synchronization across devices. Predefined timers are available in the free version, with expanded features in the paid version.

**Highlights:** Multiple customizable timers, Multi-step timer configuration, Darkroom color mode, Home screen notifications, Timer grouping and favorites, iCloud synchronization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock features | $3.99 | one-time |


### Thirty Five mm

[App page](https://appshunter.io/ios/app/thirty-five-mm/id6739161477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Film Process Timer free?

Film Process Timer is free to download, with in-app purchases available.

### Is Thirty Five mm free?

Thirty Five mm is free to download, with no in-app purchases.

### Do Film Process Timer or Thirty Five mm have ads?

Neither Film Process Timer nor Thirty Five mm shows ads.

### Which is updated more often, Film Process Timer or Thirty Five mm?

Film Process Timer ships an update every 6 weeks, and Thirty Five mm every 3 weeks. Most recently, Film Process Timer was updated on June 1, 2026 and Thirty Five mm on December 13, 2025.

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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.*