# f/ Tools vs Long Exposure Timer

The clearest difference is update cadence: f/ Tools at every 2 weeks against Long Exposure Timer's every 23 months. Long Exposure Timer's advantage is price ($1.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

f/ Tools costs $3.99 and Long Exposure Timer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

f/ Tools ships an update every 2 weeks, Long Exposure Timer every 23 months. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | f/ Tools | Long Exposure Timer |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/f-tools/id668237473/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 23 months |
| Monetization | Paid | — |
| Size | 12 MB | 2 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [David Quiles](https://appshunter.io/developer/578971109) | [Peter Holdmann](https://appshunter.io/developer/1053342563) |

## 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


### Long Exposure Timer

[App page](https://appshunter.io/ios/app/long-exposure-timer/id1564211090)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is f/ Tools free?

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

### Is Long Exposure Timer free?

Long Exposure Timer costs $1.99, with no in-app purchases.

### Do f/ Tools or Long Exposure Timer have ads?

Neither f/ Tools nor Long Exposure Timer shows ads.

### Which is updated more often, f/ Tools or Long Exposure Timer?

f/ Tools ships an update every 2 weeks, and Long Exposure Timer every 23 months. Most recently, f/ Tools was updated on October 1, 2026 and Long Exposure Timer on October 4, 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.*