f/ Tools vs Reciprocity Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
f/ Tools
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.
- 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
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f/Tools is a set of tools for digital and analog photography. Explore sensor sharpness, depth of field, print resolution, bokeh size, flash exposure, and more — all in one place. Designed to help you visually understand complex photographic concepts, with built-in help and a glossary. Features: • Graphic depth of field calculator • Graphic Airy disc calculator • Graphic format (scene/print) calculator • Motion freeze calculator • Graphic blur size calculator • Graphic flash exposure calculator • Camera bag with lens limits • Quick setup with popular camera brands included
Reciprocity Plus
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.
- 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
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Reciprocity+ : photo tool, for calculating long exposure, for digital and analog photography. Are you tired of mentally multiplying exposure time with yor ND3+ND8 filters, and then adding reciprocity failure rate ? Reciprocity + is for you : • 29 Filters : CTO, CTB, Green series, ND serie and more • 110 Reciprocity charts included. • Design your own chart or modify an existing one • Share your charts with PInhole Assit App, • Share by email •Available charts : • A chart adapted from Jim Shull's The Hole Thing • Two charts for RC photo paper , • 400TX,TMX,TMY,HP5+,100 Delta (source APUG forums) • max 400, T max 100,TRiX & Plus 125, Ilford films (Without Lenses website ) • Official Ilford films. • Ektachrome, Fujichrome, Agfachrome and + from "Using the View Camera". • Arista films (courtesy of David Aimone) • Ilford Pan F, Fuji FP100, Fuji Neopan 100 ACROS, Ektar 100 • Fuji FP 3000B • and more (119 films). • A timer, of You can quit the app, no matter what you do, the timer will notify you when the exposure is over. From the makers of Pinhole Assist.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | f/ Tools | Reciprocity Plus |
|---|---|---|
| Price | $3.99 | $1.99 — better |
| Rating | 3.7 (6 ratings) | 4.1 (7 ratings) — better |
| Positive reviews | 93.3% of reviews — better | 70.0% of reviews |
| Number of ratings | 6 | 7 — better |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.5 — better | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | David Quiles | Le bord de la piscine |
Customer experience
f/ Tools
Reciprocity Plus
In-app purchases
f/ Tools
No in-app purchases
Reciprocity Plus
No in-app purchases
Questions
Is f/ Tools free?
Is Reciprocity Plus free?
Which has better reviews, f/ Tools or Reciprocity Plus?
Do f/ Tools or Reciprocity Plus have ads?
Which is updated more often, f/ Tools or Reciprocity Plus?
Other comparisons
