# ATOM vs CertTracker

The clearest difference is ads: ATOM at none against CertTracker's shown. ATOM also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ATOM | CertTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/atom-gpt-client-and-ai-chat-bot/id6449739692/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 38 MB | 102 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FORESKO, TOO](https://appshunter.io/developer/1690355373) | [Hasan Alhosani](https://appshunter.io/developer/6792347287) |

## What reviewers say

### ATOM

[App page](https://appshunter.io/ios/app/atom-gpt-client-and-ai-chat-bot/id6449739692)

This AI-powered chatbot acts as a personal assistant for work, learning, and socializing. It adapts to your conversation context, allowing for natural, multilingual interactions. Its intuitive interface makes accessing advanced AI capabilities easy and convenient.

**Highlights:** Personalized AI adaptation, Natural language conversation, 24/7 availability, Intuitive user interface, Multifunctional AI assistant

**Features:** macOS Compatibility

**In-app purchases:** none


### CertTracker

[App page](https://appshunter.io/ios/app/certtracker-track-certificate/id6792347285)

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

**In-app purchases:** none


## Frequently asked questions

### Is ATOM free?

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

### Is CertTracker free?

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

### Do ATOM or CertTracker have ads?

CertTracker shows ads; ATOM does not.

### Which is updated more often, ATOM or CertTracker?

ATOM ships an update fortnightly, and CertTracker fortnightly. Most recently, ATOM was updated on October 24, 2026 and CertTracker on October 9, 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.*