# Atomic Hermes vs Mammoth AI

The clearest difference is rating: Mammoth AI at 4.4 against Atomic Hermes's 2.3. Mammoth AI also leads on ratings volume (17 vs 3). Atomic Hermes's advantage is update cadence (every 11 days vs every 3 weeks) and iOS requirement (13.4 vs 15.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Atomic Hermes sells 3 in-app purchases, starting at $19.99 per month and Mammoth AI sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Mammoth AI holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: Mammoth AI has 17 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Atomic Hermes ships an update every 11 days, Mammoth AI every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Atomic Hermes | Mammoth AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/atomic-hermes/id6759154616/reviews) | **[4.4 (17 ratings)](https://appshunter.io/ios/app/mammoth-ai-chatbot-assistant/id6777931840/reviews)** |
| Number of ratings | 3 | **17** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 75 MB | 96 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Atomic Mail](https://appshunter.io/developer/1831027051) | [Marut Kumar](https://appshunter.io/developer/1890094471) |

## What reviewers say

### Atomic Hermes

[App page](https://appshunter.io/ios/app/atomic-hermes/id6759154616)

This AI agent performs complex, multi-step tasks autonomously on your behalf. It plans, reasons, and executes actions across devices, offering smart web research, content generation, and code assistance. Your data remains private as the agent runs on your own hardware.

**Highlights:** Autonomous task execution, Intelligent AI agents, Smart web search and research, Content writing and editing, Code debugging and problem-solving, Task planning and scheduling, Cross-device compatibility

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atomic Bot Monthly | $19.99 | per month |
| 10 Credits | $10.00 | one-time |
| 30 Credits | $30.00 | one-time |


### Mammoth AI

[App page](https://appshunter.io/ios/app/mammoth-ai-chatbot-assistant/id6777931840)

This AI assistant builds a persistent memory vault from your shared information, learning and improving its skills over time. It integrates with your messaging platforms to take action and offers customizable autonomy levels for task management. Your data remains on your own infrastructure.

**Highlights:** Persistent memory vault, Self-improving skills, Messaging platform integration, Customizable autonomy levels, Runs on your own infrastructure, Open source

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hermes AI Subscription | $4.99 | per 7 days |
| Hermes AI Weekly Subscription | $9.99 | per 7 days |
| Hermes AI Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Atomic Hermes free?

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

### Is Mammoth AI free?

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

### Which has better reviews, Atomic Hermes or Mammoth AI?

Mammoth AI is rated higher. Atomic Hermes averages 2.3 out of 5 from 3 ratings, while Mammoth AI averages 4.4 from 17 ratings.

### Do Atomic Hermes or Mammoth AI have ads?

Neither Atomic Hermes nor Mammoth AI shows ads.

### Which is updated more often, Atomic Hermes or Mammoth AI?

Atomic Hermes ships an update every 11 days, and Mammoth AI every 3 weeks. Most recently, Atomic Hermes was updated on October 24, 2026 and Mammoth AI on October 27, 2026.

---

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