# AtomC vs Stella

The clearest difference is rating: AtomC at 5.0 against Stella's 3.6. Stella's advantage is in-app purchases (none vs 8) and ratings volume (5 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AtomC sells 8 in-app purchases, starting at $29.99 per month. Stella asks for nothing beyond the download.

AtomC holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Stella has 5 ratings behind it against 1, so its average is the more settled of the two.

AtomC ships an update every 10 days, Stella every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | AtomC | Stella |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomc/id6757501330/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/stella-your-ai/id6761148311/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | — | Free |
| Size | 43 MB | 81 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Brandon Moore](https://appshunter.io/developer/1057050766) | [FROMYOU, LLC](https://appshunter.io/developer/1888027313) |

## What reviewers say

### AtomC

[App page](https://appshunter.io/ios/app/atomc/id6757501330)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $29.99 | per month |
| Max Monthly | $79.99 | per month |
| Pro Yearly | $299.99 | per year |
| Max Yealy | $799.99 | per year |
| Starter Credit Pack | $9.99 | one-time |
| Growth Credit Pack | $45.00 | one-time |
| Business Credit Pack | $120.99 | one-time |
| Enterprise Credit Pack | $350.00 | one-time |


### Stella

[App page](https://appshunter.io/ios/app/stella-your-ai/id6761148311)

This AI assistant allows you to chat, get quick answers, and control your computer remotely from your phone. It offers voice input and infinite chat memory, prioritizing privacy and open-source design. Connect to various LLMs for personalized assistance.

**Highlights:** AI chat and information retrieval, Remote computer control, Voice input functionality, Infinite chat memory, Privacy-focused design, Open-source, LLM integration

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

**In-app purchases:** none


## Frequently asked questions

### Is AtomC free?

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

### Is Stella free?

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

### Which has better reviews, AtomC or Stella?

AtomC is rated higher. AtomC averages 5.0 out of 5 from 1 ratings, while Stella averages 3.6 from 5 ratings.

### Do AtomC or Stella have ads?

Neither AtomC nor Stella shows ads.

### Which is updated more often, AtomC or Stella?

AtomC ships an update every 10 days, and Stella every 5 days. Most recently, AtomC was updated on October 24, 2026 and Stella on October 24, 2026.

---

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