# AtomChat vs NAS Chat Center

The clearest difference is update cadence: NAS Chat Center at every 4 days against AtomChat's fortnightly. NAS Chat Center also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

AtomChat ships an update fortnightly, NAS Chat Center every 4 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | AtomChat | NAS Chat Center |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/atomchat/id1632475954/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free | — |
| Size | 96 MB | 14 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [AtomChat.io](https://appshunter.io/developer/1632475956) | [New Age S.A.](https://appshunter.io/developer/1656471856) |

## What reviewers say

### AtomChat

[App page](https://appshunter.io/ios/app/atomchat/id1632475954)

Unify customer conversations from popular messaging apps into a single platform. Streamline the buying experience and provide instant support with automated responses.

**Highlights:** Unified inbox for multiple messaging apps, Customer conversation management, Automated response capabilities, Streamlined buying experience, Instant customer support

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

**In-app purchases:** none


### NAS Chat Center

[App page](https://appshunter.io/ios/app/nas-chat-center/id6445855626)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AtomChat free?

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

### Is NAS Chat Center free?

NAS Chat Center is free to download, with no in-app purchases.

### Do AtomChat or NAS Chat Center have ads?

Neither AtomChat nor NAS Chat Center shows ads.

### Which is updated more often, AtomChat or NAS Chat Center?

AtomChat ships an update fortnightly, and NAS Chat Center every 4 days. Most recently, AtomChat was updated on September 10, 2026 and NAS Chat Center on September 10, 2026.

---

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