# Reciprocity Timer vs f/ Tools

The clearest difference is review sentiment: f/ Tools at 93% against Reciprocity Timer's 33%. f/ Tools also leads on rating (3.7 vs 2.5) and in-app purchases (none vs 1). Reciprocity Timer's advantage is price ($1.99 vs $3.99) and chart position (#50 vs #192). On ratings volume, ads and device support there is nothing between them.

Reciprocity Timer costs $1.99 and f/ Tools $3.99 up front. Reciprocity Timer sells 1 one-off in-app purchase. f/ Tools asks for nothing beyond the download.

f/ Tools holds the better App Store score, 3.7 against 2.5. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews point the same way: 33% of Reciprocity Timer's written reviews are positive against 93% of f/ Tools's.

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

## The numbers

| Metric | Reciprocity Timer | f/ Tools |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/reciprocity-timer/id459691262/reviews) | **[3.7 (6 ratings)](https://appshunter.io/ios/app/f-tools/id668237473/reviews)** |
| Number of ratings | 4 | **6** |
| Positive reviews | 33.3% of reviews | **93.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#50** | #192 |
| Size | 28 MB | 12 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pump Interactive](https://appshunter.io/developer/459691265) | [David Quiles](https://appshunter.io/developer/578971109) |

## What reviewers say

### Reciprocity Timer

[App page](https://appshunter.io/ios/app/reciprocity-timer/id459691262)

**Currently charting:** #50 Top Paid · Photo & Video (US App Store)

This app helps film photographers calculate exposure compensation for reciprocity failure. It offers a standard version for basic calculations and a pro version with advanced features like note-taking and custom film databases. It also includes an exposure timer and filter compensation tools.

**Highlights:** Reciprocity compensation calculations, Exposure timer, Filter compensation slider, Note-keeping feature, Custom film and camera databases, Film stock favorites

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reciprocity Timer Pro | $9.99 | one-time |


### f/ Tools

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

**Currently charting:** #192 Top Paid · Photo & Video (US App Store)

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


## Frequently asked questions

### Is Reciprocity Timer free?

Reciprocity Timer costs $1.99, and also offers in-app purchases.

### Is f/ Tools free?

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

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

f/ Tools is rated higher. Reciprocity Timer averages 2.5 out of 5 from 4 ratings, while f/ Tools averages 3.7 from 6 ratings.

### Do Reciprocity Timer or f/ Tools have ads?

Neither Reciprocity Timer nor f/ Tools shows ads.

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

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

### Which is more popular, Reciprocity Timer or f/ Tools?

Reciprocity Timer currently peaks at #50 in the App Store charts, and f/ Tools at #192. Chart position reflects recent download velocity rather than total install base.

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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.*