# f/ Tools vs Reciprocity Plus

The clearest difference is update cadence: f/ Tools at every 2 weeks against Reciprocity Plus's every 4 months. f/ Tools also leads on review sentiment (93% vs 70%). Reciprocity Plus's advantage is rating (4.1 vs 3.7) and price ($1.99 vs $3.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

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

Reciprocity Plus holds the better App Store score, 4.1 against 3.7. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews complicate that: 93% of f/ Tools's written reviews are positive against 70% of Reciprocity Plus's, so the app with the better star average is not the one people write more warmly about.

f/ Tools ships an update every 2 weeks, Reciprocity Plus every 4 months. Both last shipped on September 23, 2026.

## The numbers

| Metric | f/ Tools | Reciprocity Plus |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/f-tools/id668237473/reviews) | **[4.1 (7 ratings)](https://appshunter.io/ios/app/reciprocity-plus/id898649178/reviews)** |
| Number of ratings | 6 | **7** |
| Positive reviews | **93.3% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 12 MB | 8 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Quiles](https://appshunter.io/developer/578971109) | [Le bord de la piscine](https://appshunter.io/developer/456593417) |

## 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


### Reciprocity Plus

[App page](https://appshunter.io/ios/app/reciprocity-plus/id898649178)

This app simplifies long exposure photography calculations for both digital and analog cameras. It includes a vast library of filter effects and reciprocity charts, allowing users to design or modify their own. A built-in timer ensures accurate exposure timing even when the app is not in use.

**Highlights:** Long exposure calculation, 29 filter effects (CTO, CTB, ND, etc.), 110+ reciprocity charts, Customizable chart design, Built-in timer, Support for digital and analog photography

**Features:** 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 Reciprocity Plus free?

Reciprocity Plus costs $1.99, with no in-app purchases.

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

Reciprocity Plus is rated higher. f/ Tools averages 3.7 out of 5 from 6 ratings, while Reciprocity Plus averages 4.1 from 7 ratings.

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

Neither f/ Tools nor Reciprocity Plus shows ads.

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

f/ Tools ships an update every 2 weeks, and Reciprocity Plus every 4 months. Most recently, f/ Tools was updated on September 23, 2026 and Reciprocity Plus on September 23, 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.*