# CameraKit vs ARRI ECS

The clearest difference is in-app purchases: ARRI ECS at none against CameraKit's 3. CameraKit's advantage is update cadence (every 2 months vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CameraKit sells 3 in-app purchases, starting at $4.99 per month. ARRI ECS asks for nothing beyond the download.

CameraKit ships an update every 2 months, ARRI ECS every 14 months. The most recent releases landed on September 20, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | CameraKit | ARRI ECS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (319 ratings)](https://appshunter.io/ios/app/camerakit-camera-tools/id890528993/reviews)** | — |
| Number of ratings | **319** | — |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 23 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zak Ray](https://appshunter.io/developer/890528996) | [ARRI Group](https://appshunter.io/developer/733009342) |

## What reviewers say

### CameraKit

[App page](https://appshunter.io/ios/app/camerakit-camera-tools/id890528993)

This app provides comprehensive technical specifications and calculations for a wide range of cameras and video formats. It helps filmmakers and videographers estimate storage needs, battery life, transfer times, and compare camera performance.

**Highlights:** Detailed camera specifications, Storage space calculation, Battery life estimation, File transfer time prediction, Sensor size comparison, Format compatibility checks, Notes and favorites

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $49.99 | per year |
| Lifetime Access | $99.99 | one-time |

**What reviewers like**

- 👍 Indispensable for professionals
- 💎 Treasure trove of information
- ✨ Constantly updated
- 🚀 Intuitive design, easy to use
- 💡 Lifesaver for filmmakers

**What reviewers complain about**

- 💰 Locked content, pay again
- 💸 Wants $60 for full access
- ❓ What did I pay for?
- 🔒 Lost pro purchases
- ❌ Scam, cannot restore

**Reported bugs**

- Lost all pro purchases
- Cannot restore purchases
- Monthly subscription broken
- Subscription cycle error
- Crashes when restoring purchase on iPad Mini

**Requested features**

- Pro-rate for early adopters
- Direct link to working manual
- Develop something for framing
- Add support for Sony a7 IV
- Add support for Nikon


### ARRI ECS

[App page](https://appshunter.io/ios/app/arri-ecs/id1555674483)

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

**In-app purchases:** none


## Frequently asked questions

### Is CameraKit free?

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

### Is ARRI ECS free?

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

### Do CameraKit or ARRI ECS have ads?

Neither CameraKit nor ARRI ECS shows ads.

### Which is updated more often, CameraKit or ARRI ECS?

CameraKit ships an update every 2 months, and ARRI ECS every 14 months. Most recently, CameraKit was updated on September 20, 2026 and ARRI ECS on August 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.*