# StorageCalculator vs PocketOP

The clearest difference is review sentiment: PocketOP at 100% against StorageCalculator's 33%. PocketOP also leads on rating (5.0 vs 4.0) and update cadence (every 2 weeks vs every 9 months). StorageCalculator's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On price, ratings volume and ads there is nothing between them.

Both are free to download. PocketOP sells 1 in-app purchase, starting at $17.99 per year. StorageCalculator asks for nothing beyond the download.

PocketOP holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 33% of StorageCalculator's written reviews are positive against 100% of PocketOP's.

StorageCalculator ships an update every 9 months, PocketOP every 2 weeks. The most recent releases landed on October 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | StorageCalculator | PocketOP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/storagecalculator/id1296649245/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pocketop/id6761281428/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mara Flint](https://appshunter.io/developer/506089598) | [Martijn van der Linden](https://appshunter.io/developer/1888601615) |

## What reviewers say

### StorageCalculator

[App page](https://appshunter.io/ios/app/storagecalculator/id1296649245)

Calculate storage and bandwidth needs for video and audio media. Supports professional codecs like ProRes and XAVC. Estimate data rates and copy times for media files.

**Highlights:** Storage and bandwidth calculation, Professional codec data (ProRes, XAVC, etc.), Data rate estimation, Copy time estimator, Media file size fitting

**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 StorageCalculator free?

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

### Is PocketOP free?

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

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

PocketOP is rated higher. StorageCalculator averages 4.0 out of 5 from 1 ratings, while PocketOP averages 5.0 from 1 ratings.

### Do StorageCalculator or PocketOP have ads?

Neither StorageCalculator nor PocketOP shows ads.

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

StorageCalculator ships an update every 9 months, and PocketOP every 2 weeks. Most recently, StorageCalculator was updated on October 24, 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.*