# Video Buffer Pre vs Duo Video

The clearest difference is ads: Video Buffer Pre at none against Duo Video's shown. Duo Video's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support 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 Duo Video sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Video Buffer Pre ships an update every 6 weeks, Duo Video every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Video Buffer Pre | Duo Video |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (46 ratings)](https://appshunter.io/ios/app/video-buffer-pre-recorder-4k/id1331747164/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 63.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 15 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [michal bojanowicz](https://appshunter.io/developer/1135528823) | [Jiangsu Mingbin Jingzhi Technology Co., Ltd](https://appshunter.io/developer/1827493539) |

## 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 |


### Duo Video

[App page](https://appshunter.io/ios/app/duo-video/id6766190364)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Video Buffer Pre free?

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

### Is Duo Video free?

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

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

Duo Video shows ads; Video Buffer Pre does not.

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

Video Buffer Pre ships an update every 6 weeks, and Duo Video every 3 weeks. Most recently, Video Buffer Pre was updated on November 3, 2026 and Duo Video 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.*