# UniTwainClient vs Video Date Stamper

The clearest difference is in-app purchases: UniTwainClient at none against Video Date Stamper's 1. UniTwainClient also leads on iOS requirement (8.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Video Date Stamper sells 1 one-off in-app purchase. UniTwainClient asks for nothing beyond the download.

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

## The numbers

| Metric | UniTwainClient | Video Date Stamper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (13 ratings)](https://appshunter.io/ios/app/video-date-stamper/id6744582638/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 20 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Terminal Works Ltd.](https://appshunter.io/developer/597432797) | [Sebastian Poliak](https://appshunter.io/developer/1749791211) |

## What reviewers say

### UniTwainClient

[App page](https://appshunter.io/ios/app/unitwainclient/id1058871994)

**Features:** macOS Compatibility

**In-app purchases:** none


### Video Date Stamper

[App page](https://appshunter.io/ios/app/video-date-stamper/id6744582638)

Automatically embed precise creation date and time watermarks onto your videos. Preserve original quality for easy tracking and archiving. Effortlessly add millisecond-accurate timestamps to your footage.

**Highlights:** Automatic date and time stamping, Millisecond precision, Preserves original video quality, Watermark timestamp export, Effortless video processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access for Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is UniTwainClient free?

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

### Is Video Date Stamper free?

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

### Do UniTwainClient or Video Date Stamper have ads?

Neither UniTwainClient nor Video Date Stamper shows ads.

### Which is updated more often, UniTwainClient or Video Date Stamper?

UniTwainClient ships an update every 2 months, and Video Date Stamper every 2 months. Most recently, UniTwainClient was updated on October 2, 2026 and Video Date Stamper on October 2, 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.*