# f/ Tools vs phNotes Pro

The clearest difference is chart position: f/ Tools at #69 against phNotes Pro's unranked. f/ Tools also leads on update cadence (every 2 weeks vs every 6 weeks) and price ($3.99 vs $5.99). phNotes Pro's advantage is iOS requirement (12.0 vs 15.5). On ads, in-app purchases and device support there is nothing between them.

f/ Tools costs $3.99 and phNotes Pro $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

f/ Tools ships an update every 2 weeks, phNotes Pro every 6 weeks. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | f/ Tools | phNotes Pro |
| --- | --- | --- |
| Price | **$3.99** | $5.99 |
| 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 6 weeks |
| Monetization | Paid | — |
| Best chart rank | **#69** | — |
| Size | 12 MB | 9 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Quiles](https://appshunter.io/developer/578971109) | [Marco Ristuccia](https://appshunter.io/developer/904590499) |

## What reviewers say

### f/ Tools

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

**Currently charting:** #69 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


### phNotes Pro

[App page](https://appshunter.io/ios/app/phnotes-pro/id1505347354)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is f/ Tools free?

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

### Is phNotes Pro free?

phNotes Pro costs $5.99, with no in-app purchases.

### Do f/ Tools or phNotes Pro have ads?

Neither f/ Tools nor phNotes Pro shows ads.

### Which is updated more often, f/ Tools or phNotes Pro?

f/ Tools ships an update every 2 weeks, and phNotes Pro every 6 weeks. Most recently, f/ Tools was updated on September 23, 2026 and phNotes Pro on September 17, 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.*