# Atomic vs Agent O

The clearest difference is iOS requirement: Atomic at 16.4 against Agent O's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Atomic sells 1 one-off in-app purchase and Agent O sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Atomic ships an update every 10 days, Agent O every 2 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Atomic | Agent O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34 ratings)](https://appshunter.io/ios/app/atomic-habit-tracker/id6470944782/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 89.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 69 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kanbon GmbH](https://appshunter.io/developer/1649220122) | [Desmond Quincy-Jones](https://appshunter.io/developer/1593430724) |

## What reviewers say

### Atomic

[App page](https://appshunter.io/ios/app/atomic-habit-tracker/id6470944782)

Effortlessly build and sustain habits with a focus on personal growth. This app offers a minimalist design, dark mode, and clear visualizations to support your journey. Enjoy tailored insights and complete control over your data with a strong commitment to privacy.

**Highlights:** Habit building and tracking, Goal setting, Dark mode support, Clear visualizations, Tailored insights, Privacy-focused design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atomic Pro | $12.99 | one-time |


### Agent O

[App page](https://appshunter.io/ios/app/agent-o/id6746719293)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Credit 50.000 | $3.99 | one-time |
| Kredit 150000 | $11.99 | one-time |


## Frequently asked questions

### Is Atomic free?

Atomic is free to download, with in-app purchases available.

### Is Agent O free?

Agent O is free to download, with in-app purchases available.

### Do Atomic or Agent O have ads?

Neither Atomic nor Agent O shows ads.

### Which is updated more often, Atomic or Agent O?

Atomic ships an update every 10 days, and Agent O every 2 weeks. Most recently, Atomic was updated on October 16, 2026 and Agent O on October 10, 2026.

---

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