# f vs ProFilm Meter

The clearest difference is price: f at Free against ProFilm Meter's $14.99. f also leads on iOS requirement (9.0 vs 15.1). ProFilm Meter's advantage is rating (5.0 vs 3.8) and review sentiment (100% vs 60%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

f is free to download; ProFilm Meter costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProFilm Meter holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 60% of f's written reviews are positive against 100% of ProFilm Meter's.

f ships an update every 29 months, ProFilm Meter fortnightly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | f | ProFilm Meter |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/f-stop-printing-calculator/id858392735/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/profilm-meter/id6761498714/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 58 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Freestyle Photo & Imaging](https://appshunter.io/developer/1786429988) | [Scott Henderson](https://appshunter.io/developer/1889935226) |

## What reviewers say

### f

[App page](https://appshunter.io/ios/app/f-stop-printing-calculator/id858392735)

This app helps darkroom printers adjust exposure times by f-stop increments. It calculates precise exposure values for printing, offering easier test strip creation by working with equal exposure differences.

**Highlights:** Calculate exposure by f-stop increments, Modify exposure times for printing, Generate new exposure times, Calculate f-stop increments for burning in, Easier test strip creation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ProFilm Meter

[App page](https://appshunter.io/ios/app/profilm-meter/id6761498714)

This app offers a comprehensive light metering and exposure toolkit for film photographers. It calculates complex exposures for various film formats and conditions, including reciprocity failure and bellows compensation, all within a real-time, offline interface.

**Highlights:** Precision reflected-light meter, On-device film stock library, Reciprocity and bellows compensation, Flash metering and trigger, Lens-independent viewfinder zoom, Field journal for saving exposures, Guided camera calibration

**In-app purchases:** none


## Frequently asked questions

### Is f free?

f is free to download, with no in-app purchases.

### Is ProFilm Meter free?

ProFilm Meter costs $14.99, with no in-app purchases.

### Which has better reviews, f or ProFilm Meter?

ProFilm Meter is rated higher. f averages 3.8 out of 5 from 5 ratings, while ProFilm Meter averages 5.0 from 3 ratings.

### Do f or ProFilm Meter have ads?

Neither f nor ProFilm Meter shows ads.

### Which is updated more often, f or ProFilm Meter?

f ships an update every 29 months, and ProFilm Meter fortnightly. Most recently, f was updated on November 1, 2026 and ProFilm Meter on November 7, 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.*