# FLICKERfree Calculator vs pCAM Pro

The clearest difference is price: FLICKERfree Calculator at Free against pCAM Pro's $34.99. FLICKERfree Calculator also leads on in-app purchases (none vs 3) and iOS requirement (11.0 vs 17.0). pCAM Pro's advantage is ratings volume (222 vs 6) and update cadence (weekly vs monthly). On ads and device support there is nothing between them.

FLICKERfree Calculator is free to download; pCAM Pro costs $34.99 up front. pCAM Pro sells 3 one-off in-app purchases. FLICKERfree Calculator asks for nothing beyond the download.

pCAM Pro holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: pCAM Pro has 222 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 86% of FLICKERfree Calculator's written reviews are positive against 97% of pCAM Pro's.

FLICKERfree Calculator ships an update monthly, pCAM Pro weekly. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | FLICKERfree Calculator | pCAM Pro |
| --- | --- | --- |
| Price | **Free** | $34.99 |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/flickerfree-calculator/id447247056/reviews) | **[4.9 (222 ratings)](https://appshunter.io/ios/app/pcam-pro-camera-tools/id1308057201/reviews)** |
| Number of ratings | 6 | **222** |
| Positive reviews | 85.7% of reviews | **97.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 2 MB | 42 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Barton](https://appshunter.io/developer/447247059) | [David Eubank](https://appshunter.io/developer/1645606643) |

## What reviewers say

### FLICKERfree Calculator

[App page](https://appshunter.io/ios/app/flickerfree-calculator/id447247056)

This tool helps cinematographers calculate precise camera speeds and shutter angles for flicker-free film or digital recording. It's particularly useful with HMI or fluorescent lighting, offering instant calculations for 50 Hz or 60 Hz frequencies.

**Highlights:** Calculate camera speed (fps), Calculate shutter angle (degrees), Selectable line frequency (50/60 Hz), Instant calculations, Finger slider for value selection, Includes reference card images

**Features:** macOS Compatibility

**In-app purchases:** none


### pCAM Pro

[App page](https://appshunter.io/ios/app/pcam-pro-camera-tools/id1308057201)

This app provides 27 essential tools for cinematography and photography professionals and students. It offers instant calculations for depth of field, field of view, exposure, and more, with a user-friendly interface designed for on-the-go use.

**Highlights:** Depth of Field calculations, Field of View preview, Focal Length matching, Exposure calculations, HMI Flicker-free settings, Speed Booster adapter calculations, VFX tracking markers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $7.99 | one-time |

**What reviewers like**

- 👍 Indispensable tool for cinematographers
- 👍 Great calculators and converters
- 👍 Very easy to use and intuitive
- 👍 Clear, accurate, and concise
- 👍 Useful for pre-visualization

**What reviewers complain about**

- 🐛 Does not access iPhone camera for POV simulation
- 🐛 Cartoon cutouts for actors are not realistic
- 🐛 Hyperfocal 'apply' button placement on iPad is accidental
- 🐛 Users had to repurchase the app for updates

**Reported bugs**

- None explicitly mentioned, but feature requests imply areas for improvement.

**Requested features**

- Access iPhone camera for exact POV simulation
- Implement a night mode
- Relocate hyperfocal 'apply' button in Depth-of-Field calculator


## Frequently asked questions

### Is FLICKERfree Calculator free?

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

### Is pCAM Pro free?

pCAM Pro costs $34.99, and also offers in-app purchases.

### Which has better reviews, FLICKERfree Calculator or pCAM Pro?

pCAM Pro is rated higher. FLICKERfree Calculator averages 4.7 out of 5 from 6 ratings, while pCAM Pro averages 4.9 from 222 ratings.

### Do FLICKERfree Calculator or pCAM Pro have ads?

Neither FLICKERfree Calculator nor pCAM Pro shows ads.

### Which is updated more often, FLICKERfree Calculator or pCAM Pro?

FLICKERfree Calculator ships an update monthly, and pCAM Pro weekly. Most recently, FLICKERfree Calculator was updated on October 14, 2026 and pCAM Pro on October 16, 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.*