# f8 Lens Toolkit vs PocketOP

The clearest difference is price: PocketOP at Free against f8 Lens Toolkit's $9.99. PocketOP also leads on update cadence (every 2 weeks vs every 2 months) and review sentiment (100% vs 80%). f8 Lens Toolkit's advantage is in-app purchases (none vs 1) and ratings volume (26 vs 1). On rating, ads, device support and iOS requirement there is nothing between them.

PocketOP is free to download; f8 Lens Toolkit costs $9.99 up front. PocketOP sells 1 in-app purchase, starting at $17.99 per year. f8 Lens Toolkit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for f8 Lens Toolkit against 5.0 for PocketOP. That said, the two scores are not equally well evidenced: f8 Lens Toolkit has 26 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 80% of f8 Lens Toolkit's written reviews are positive against 100% of PocketOP's.

f8 Lens Toolkit ships an update every 2 months, PocketOP every 2 weeks. The most recent releases landed on October 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | f8 Lens Toolkit | PocketOP |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.9 (26 ratings)](https://appshunter.io/ios/app/f8-lens-toolkit/id887877435/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pocketop/id6761281428/reviews)** |
| Number of ratings | **26** | 1 |
| Positive reviews | 79.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 4 MB | 6 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cadrage GmbH](https://appshunter.io/developer/793232743) | [Martijn van der Linden](https://appshunter.io/developer/1888601615) |

## What reviewers say

### f8 Lens Toolkit

[App page](https://appshunter.io/ios/app/f8-lens-toolkit/id887877435)

This app provides photographers and cinematographers with essential tools for optical calculations. It offers features like depth of field calculation, field of view determination, and lens matching for various camera formats. It's designed to be an indispensable reference tool for professionals and students alike.

**Highlights:** Depth of Field & Hyperfocal Distance Calculator, Field of View Calculator, Lens Matcher: Equivalent Focal Length & F-Stop, Camera Sensor Comparison Tool, Lens Coverage Tool, Extensive camera and lens database, Supports anamorphic shooting and Speedboosters

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

**In-app purchases:** none


### PocketOP

[App page](https://appshunter.io/ios/app/pocketop/id6761281428)

This app acts as a broadcast operator's viewfinder, allowing users to visualize field-of-view brackets for wide and telephoto lens ends directly on their iPhone's live camera feed. It supports professional broadcast lenses, PTZ cameras, and cine zooms with a continuously updated database.

**Highlights:** Real-time field-of-view brackets, Broadcast lens database, PTZ camera support, Cine zoom lens compatibility, Guided calibration workflow, Remote database updates

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PocketOP Pro | $17.99 | per year |


## Frequently asked questions

### Is f8 Lens Toolkit free?

f8 Lens Toolkit costs $9.99, with no in-app purchases.

### Is PocketOP free?

PocketOP is free to download, with in-app purchases available.

### Which has better reviews, f8 Lens Toolkit or PocketOP?

PocketOP is rated higher. f8 Lens Toolkit averages 4.9 out of 5 from 26 ratings, while PocketOP averages 5.0 from 1 ratings.

### Do f8 Lens Toolkit or PocketOP have ads?

Neither f8 Lens Toolkit nor PocketOP shows ads.

### Which is updated more often, f8 Lens Toolkit or PocketOP?

f8 Lens Toolkit ships an update every 2 months, and PocketOP every 2 weeks. Most recently, f8 Lens Toolkit was updated on October 26, 2026 and PocketOP on September 30, 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.*