# Zero vs Hydra › Pro Camera (RAW + AI)

The clearest difference is in-app purchases: Zero at none against Hydra › Pro Camera (RAW + AI)'s 6. Zero also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (8.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Hydra › Pro Camera (RAW + AI) sells 6 in-app purchases, starting at $3.99 per month. Zero asks for nothing beyond the download.

Zero ships an update every 2 days, Hydra › Pro Camera (RAW + AI) every 2 months. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Zero | Hydra › Pro Camera (RAW + AI) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (252 ratings)](https://appshunter.io/ios/app/hydra-pro-camera-raw-plus-ai/id1575702881/reviews)** |
| Number of ratings | — | **252** |
| Positive reviews | — | 29.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 101 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Directed Electronics Australia](https://appshunter.io/developer/1083778713) | [Creaceed SRL](https://appshunter.io/developer/291683889) |

## What reviewers say

### Zero

[App page](https://appshunter.io/ios/app/zero-x-hydra/id1427265339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hydra › Pro Camera (RAW + AI)

[App page](https://appshunter.io/ios/app/hydra-pro-camera-raw-plus-ai/id1575702881)

This app enhances mobile photography with AI and computational imaging, offering extreme HDR, advanced denoising, and high-resolution capture. It provides manual controls, style presets, and a powerful editor for professional-level results in challenging lighting.

**Highlights:** AI-powered computational photography, Extreme HDR capture (> 20-stop), Detail-enhancing denoising, Up to 110-megapixel resolution, Manual camera controls, High-fidelity photo editor, Multiple output file formats

**Features:** Family Sharing, Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (Monthly) | $3.99 | per month |
| Pro Plan (Yearly) | $9.99 | per year |
| Pro Pack 3 (Upgrade) | $7.99 | one-time |
| Pro Pack (Upgrade) | $15.99 | one-time |
| Pro Pack 3 | $23.99 | one-time |
| Pro Pack | $23.99 | one-time |

**What reviewers like**

- 🚀 Powerful features
- 👍 Great photo quality
- 💡 Innovative AI-powered processing
- 🚀 Intuitive and easy to use
- 👍 Excellent HDR and low-light performance

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔋 Slow processing times
- 👎 Watermark on free version photos
- 👎 Worse quality than native camera app in some cases
- 👎 Forced subscription model

**Reported bugs**

- App crashes when taking 110MP photos
- Unable to save RAW/HEIC files
- Inconsistent behavior in different lighting conditions
- Zoom and macro features not working as expected

**Requested features**

- Add ultra-wide lens support
- Allow editing of photos after capture
- Improve low-light and macro performance
- Optimize for latest iPhone hardware
- Provide better value for paid version


## Frequently asked questions

### Is Zero free?

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

### Is Hydra › Pro Camera (RAW + AI) free?

Hydra › Pro Camera (RAW + AI) is free to download, with in-app purchases available.

### Do Zero or Hydra › Pro Camera (RAW + AI) have ads?

Neither Zero nor Hydra › Pro Camera (RAW + AI) shows ads.

### Which is updated more often, Zero or Hydra › Pro Camera (RAW + AI)?

Zero ships an update every 2 days, and Hydra › Pro Camera (RAW + AI) every 2 months. Most recently, Zero was updated on October 17, 2026 and Hydra › Pro Camera (RAW + AI) on October 22, 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.*