# PocketOP vs ShuttR

The clearest difference is price: PocketOP at Free against ShuttR's $6.99. PocketOP also leads on rating (5.0 vs 4.5). ShuttR's advantage is in-app purchases (none vs 1). On ratings volume, update cadence, ads and device support there is nothing between them.

PocketOP is free to download; ShuttR costs $6.99 up front. PocketOP sells 1 in-app purchase, starting at $17.99 per year. ShuttR asks for nothing beyond the download.

PocketOP holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | PocketOP | ShuttR |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pocketop/id6761281428/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/shuttr-shutter-speed-tester/id6790870659/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | **Freemium** | Paid |
| Size | 6 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Martijn van der Linden](https://appshunter.io/developer/1888601615) | [Christian Haemmerle](https://appshunter.io/developer/6790870661) |

## What reviewers say

### 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 |


### ShuttR

[App page](https://appshunter.io/ios/app/shuttr-shutter-speed-tester/id6790870659)

This app uses your iPhone's camera to accurately measure the shutter speeds of analog film cameras. It provides a guided process to check if your camera's shutter has drifted over time, offering a clear verdict on its performance without requiring external hardware.

**Highlights:** Measures real shutter speeds, Uses iPhone camera and light source, Tests speeds from 8s to 1/500, Guided step-by-step protocol, Automatic calibration, Deviation in stops and verdict, History and camera collection, Shareable 'shutter checked' certificate

**In-app purchases:** none


## Frequently asked questions

### Is PocketOP free?

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

### Is ShuttR free?

ShuttR costs $6.99, with no in-app purchases.

### Which has better reviews, PocketOP or ShuttR?

PocketOP is rated higher. PocketOP averages 5.0 out of 5 from 1 ratings, while ShuttR averages 4.5 from 2 ratings.

### Do PocketOP or ShuttR have ads?

Neither PocketOP nor ShuttR shows ads.

### Which is updated more often, PocketOP or ShuttR?

PocketOP ships an update every 2 weeks, and ShuttR every 2 weeks. Most recently, PocketOP was updated on October 31, 2026 and ShuttR on October 31, 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.*