# PowerPhone PST vs AtomChat

The clearest difference is update cadence: AtomChat at every 2 weeks against PowerPhone PST's every 12 months. PowerPhone PST's advantage is device support (3 vs 1) and iOS requirement (15.0 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.

PowerPhone PST ships an update every 12 months, AtomChat every 2 weeks. The most recent releases landed on September 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PowerPhone PST | AtomChat |
| --- | --- | --- |
| 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 | Every 12 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 100 MB | 104 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [Power Systems Technology, S.A.](https://appshunter.io/developer/1803234495) | [AtomChat.io](https://appshunter.io/developer/1632475956) |

## What reviewers say

### PowerPhone PST

[App page](https://appshunter.io/ios/app/powerphone-pst/id1519820041)

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### AtomChat

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

Unify customer messages 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, Automated response capabilities, Streamlined customer experience, Instant customer support, Centralized chat management

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

**In-app purchases:** none


## Frequently asked questions

### Is PowerPhone PST free?

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

### Is AtomChat free?

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

### Do PowerPhone PST or AtomChat have ads?

Neither PowerPhone PST nor AtomChat shows ads.

### Which is updated more often, PowerPhone PST or AtomChat?

PowerPhone PST ships an update every 12 months, and AtomChat every 2 weeks. Most recently, PowerPhone PST was updated on September 23, 2026 and AtomChat on October 30, 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.*