AtomC vs Stella
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AtomC
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AtomC is your intelligent AI assistant powered by COALS AI. Get instant answers to any question with real-time web search capabilities. KEY FEATURES • Real-Time Web Search - Get up-to-date information on news, weather, sports scores, prices, and more. AtomC searches the web for you and synthesizes accurate answers. • Image Analysis - Share photos and get detailed analysis. AtomC can describe images, read text, identify objects, and answer questions about what you show it. • Code Assistant - Get help writing, explaining, and debugging code in any programming language. Perfect for developers on the go. • Conversational AI - Natural, friendly conversations that remember context. Ask follow-up questions and have meaningful discussions. • Fast & Private - Quick responses with your data kept secure. No conversation history stored on external servers. PERFECT FOR • Quick fact-checking and research • Getting current news and information • Analyzing screenshots and photos • Code help and programming questions • General knowledge and learning AtomC brings the power of advanced AI to your pocket. Whether you need quick answers, detailed research, or creative help - AtomC is ready to assist. Download now and experience the future of AI assistance. See Apple Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Stella
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.
- AI chat and information retrieval
- Remote computer control
- Voice input functionality
- Infinite chat memory
- Privacy-focused design
- Open-source
- LLM integration
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Stella is a personal AI assistant for your phone and computer. Ask questions, talk through ideas, write, and get things done. Send photos and files, use voice, or connect your computer to work with your apps and files.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | AtomC | Stella |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.6 (5 ratings) |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 10 days | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 43 MB | 81 MB |
| Age rating | 12+ | 17+ |
| Developer | Brandon Moore | FROMYOU, LLC |
In-app purchases
AtomC
- Pro Monthly$29.991 Month
- Max Monthly$79.991 Month
- Pro Yearly$299.991 Year
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- Max Yealy$799.991 Year
- Starter Credit Pack$9.99
- Growth Credit Pack$45.00
- Business Credit Pack$120.99
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- Enterprise Credit Pack$350.00
Stella
No in-app purchases
