# f/ Tools vs Darkroom Lab Timer

The clearest difference is rating: f/ Tools at 3.7 against Darkroom Lab Timer's 3.0. f/ Tools also leads on update cadence (every 2 weeks vs every 11 months) and review sentiment (93% vs 70%). Darkroom Lab Timer's advantage is iOS requirement (13.0 vs 15.5). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

f/ Tools costs $3.99 and Darkroom Lab Timer $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

f/ Tools holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews point the same way: 93% of f/ Tools's written reviews are positive against 70% of Darkroom Lab Timer's.

f/ Tools ships an update every 2 weeks, Darkroom Lab Timer every 11 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | f/ Tools | Darkroom Lab Timer |
| --- | --- | --- |
| Price | **$3.99** | $8.99 |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/f-tools/id668237473/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/darkroom-lab-timer/id1020149692/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | **93.3% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | Paid | Paid |
| Size | 12 MB | 3 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Quiles](https://appshunter.io/developer/578971109) | [Freestyle Photo & Imaging](https://appshunter.io/developer/1786429988) |

## What reviewers say

### f/ Tools

[App page](https://appshunter.io/ios/app/f-tools/id668237473)

This photography tool offers a suite of calculators for concepts like depth of field, print resolution, and flash exposure. It helps users visually grasp complex photographic principles with integrated help and a glossary. The app also includes a camera bag feature with lens limits.

**Highlights:** Graphic depth of field calculator, Graphic Airy disc calculator, Graphic format calculator, Motion freeze calculator, Graphic blur size calculator, Graphic flash exposure calculator, Camera bag with lens limits

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

**In-app purchases:** none


### Darkroom Lab Timer

[App page](https://appshunter.io/ios/app/darkroom-lab-timer/id1020149692)

This advanced timer app is designed for photographic processes like C-41, E-6, and B&W. It offers customizable steps, separate agitation sequences, and helpful tools like a volume mixer and safelight simulation.

**Highlights:** Customizable steps, Separate agitation sequences, Process templates, Volume and dilution mixer, Safelight simulation

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

**In-app purchases:** none


## Frequently asked questions

### Is f/ Tools free?

f/ Tools costs $3.99, with no in-app purchases.

### Is Darkroom Lab Timer free?

Darkroom Lab Timer costs $8.99, with no in-app purchases.

### Which has better reviews, f/ Tools or Darkroom Lab Timer?

f/ Tools is rated higher. f/ Tools averages 3.7 out of 5 from 6 ratings, while Darkroom Lab Timer averages 3.0 from 4 ratings.

### Do f/ Tools or Darkroom Lab Timer have ads?

Neither f/ Tools nor Darkroom Lab Timer shows ads.

### Which is updated more often, f/ Tools or Darkroom Lab Timer?

f/ Tools ships an update every 2 weeks, and Darkroom Lab Timer every 11 months. Most recently, f/ Tools was updated on September 23, 2026 and Darkroom Lab Timer on September 21, 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.*