# Video Buffer Pre vs calibratr

The clearest difference is review sentiment: Video Buffer Pre at 63% against calibratr's 0%. Video Buffer Pre also leads on rating (4.5 vs 1.0) and ratings volume (46 vs 1). calibratr's advantage is update cadence (daily vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Video Buffer Pre sells 3 in-app purchases, starting at $4.99 per 7 days and calibratr sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Video Buffer Pre holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Video Buffer Pre has 46 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Video Buffer Pre's written reviews are positive against 0% of calibratr's.

Video Buffer Pre ships an update every 6 weeks, calibratr daily. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Video Buffer Pre | calibratr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (46 ratings)](https://appshunter.io/ios/app/video-buffer-pre-recorder-4k/id1331747164/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/calibratr/id6811932396/reviews) |
| Number of ratings | **46** | 1 |
| Positive reviews | **63.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 9 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [michal bojanowicz](https://appshunter.io/developer/1135528823) | [FreshX GmbH](https://appshunter.io/developer/1532201833) |

## What reviewers say

### Video Buffer Pre

[App page](https://appshunter.io/ios/app/video-buffer-pre-recorder-4k/id1331747164)

Capture moments that have already happened with a pre-recording buffer. Save device storage and avoid tedious editing by recording only the highlights. Ideal for sports, events, or unexpected occurrences.

**Highlights:** Buffered video recording, Up to 100 seconds buffer time, DualCam Mode, 4K video quality, Apple Watch remote support, Slow-motion support

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $5.99 | per month |
| Yearly | $29.99 | per year |


### calibratr

[App page](https://appshunter.io/ios/app/calibratr/id6811932396)

This tool transforms your iPhone into a display measuring instrument, ensuring your photos appear as intended. It works with a free Mac app to calibrate your monitor, correcting color inaccuracies and providing detailed reports on display performance. Without a Mac, it functions as a light meter for various glowing surfaces.

**Highlights:** Monitor calibration using iPhone, RAW measurement of color patches, ICC color profile generation, White point, grey balance, and tone curve correction, Before and after image comparison, Light meter for glowing surfaces

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keep the result | $3.99 | one-time |


## Frequently asked questions

### Is Video Buffer Pre free?

Video Buffer Pre is free to download, with in-app purchases available.

### Is calibratr free?

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

### Which has better reviews, Video Buffer Pre or calibratr?

Video Buffer Pre is rated higher. Video Buffer Pre averages 4.5 out of 5 from 46 ratings, while calibratr averages 1.0 from 1 ratings.

### Do Video Buffer Pre or calibratr have ads?

Neither Video Buffer Pre nor calibratr shows ads.

### Which is updated more often, Video Buffer Pre or calibratr?

Video Buffer Pre ships an update every 6 weeks, and calibratr daily. Most recently, Video Buffer Pre was updated on November 8, 2026 and calibratr 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.*