# Dragonframe Tether vs Grejn

The clearest difference is in-app purchases: Dragonframe Tether at none against Grejn's 1. Dragonframe Tether also leads on device support (3 vs 1) and iOS requirement (14 vs 26.2). Grejn's advantage is update cadence (weekly vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Grejn sells 1 one-off in-app purchase. Dragonframe Tether asks for nothing beyond the download.

Dragonframe Tether ships an update every 3 months, Grejn weekly. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Dragonframe Tether | Grejn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (15 ratings)](https://appshunter.io/ios/app/dragonframe-tether/id1207485362/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 15 MB | 8 MB |
| Requires iOS | **14** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DZED Systems LLC](https://appshunter.io/developer/1207485361) | [David Mismas](https://appshunter.io/developer/1867804265) |

## What reviewers say

### Dragonframe Tether

[App page](https://appshunter.io/ios/app/dragonframe-tether/id1207485362)

Transform your iOS device into a professional camera for stop motion animation software. Stream a live video preview to your computer, control camera settings, and capture high-quality images directly. Requires Dragonframe 4 or newer on a desktop.

**Highlights:** Use iPhone/iPad as capture source, Live video preview on desktop, Control shutter speed, ISO, focus, white balance, Capture JPG or DNG images, Direct image transfer to computer

**Features:** Vision Pro support

**In-app purchases:** none


### Grejn

[App page](https://appshunter.io/ios/app/grejn/id6760006352)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueCamera Pro | $6.99 | one-time |


## Frequently asked questions

### Is Dragonframe Tether free?

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

### Is Grejn free?

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

### Do Dragonframe Tether or Grejn have ads?

Neither Dragonframe Tether nor Grejn shows ads.

### Which is updated more often, Dragonframe Tether or Grejn?

Dragonframe Tether ships an update every 3 months, and Grejn weekly. Most recently, Dragonframe Tether was updated on October 1, 2026 and Grejn on October 8, 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.*