# ATN Obsidian 4 vs ignis_V2

The clearest difference is update cadence: ATN Obsidian 4 at every 3 months against ignis_V2's every 9 months. ignis_V2's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ATN Obsidian 4 ships an update every 3 months, ignis_V2 every 9 months. The most recent releases landed on October 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ATN Obsidian 4 | ignis_V2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (234 ratings)](https://appshunter.io/ios/app/atn-obsidian-4/id1337731256/reviews)** | — |
| Number of ratings | **234** | — |
| Positive reviews | 16.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 85 MB | 10 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ATN](https://appshunter.io/developer/789970891) | [军方 张](https://appshunter.io/developer/1088748217) |

## What reviewers say

### ATN Obsidian 4

[App page](https://appshunter.io/ios/app/atn-obsidian-4/id1337731256)

Connect your smartphone or tablet to compatible ATN smart scopes via WiFi. Stream live video of your hunt, adjust device settings, and review recorded images and videos. Unlock the full capabilities of your ATN optics.

**Highlights:** Live video streaming, Device settings adjustment, Review stored media, WiFi connectivity, Enhances ATN optic experience

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast live streaming
- 👍 Easy scope configuration
- 🔍 Useful viewfinder feature

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 App crashes and freezes
- 🐛 Unreliable video/photo gallery
- 🐛 Scope locking up when using app

**Reported bugs**

- App unable to discover scope
- Live view not working as expected
- Scope firmware updates causing issues

**Requested features**

- Add photo/video gallery to view media
- Improve app stability and reliability
- Allow profile editing directly on scope


### ignis_V2

[App page](https://appshunter.io/ios/app/ignis-v2/id1504812631)

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

**In-app purchases:** none


## Frequently asked questions

### Is ATN Obsidian 4 free?

ATN Obsidian 4 is free to download, with no in-app purchases.

### Is ignis_V2 free?

ignis_V2 is free to download, with no in-app purchases.

### Do ATN Obsidian 4 or ignis_V2 have ads?

Neither ATN Obsidian 4 nor ignis_V2 shows ads.

### Which is updated more often, ATN Obsidian 4 or ignis_V2?

ATN Obsidian 4 ships an update every 3 months, and ignis_V2 every 9 months. Most recently, ATN Obsidian 4 was updated on October 24, 2026 and ignis_V2 on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*