CruxAI vs ContextStacker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CruxAI
Engage in natural conversations, research topics, and unleash creativity with a powerful AI assistant. Generate images, search information instantly, and explore custom AI experiences built by the community.
- Real-time voice conversations with Live Mode
- High-quality image generation
- Deep message search
- Community-driven AI Apps
- Privacy-focused customization
- Local model execution
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Crux AI is a fast, modern AI assistant designed to make conversations, research, and creativity more seamless. Crux AI combines powerful AI capabilities with a clean, responsive and familiar interface. Chat naturally with AI through text or Live Mode (voice conversations). Generate images, search conversations instantly, and explore information with deep search tools designed to help you find exactly what you need. Crux AI also introduces an extensible “Apps” system that allows custom AI experiences built by other users. Create your own tools, publish them for others, or explore apps created by the community. Key Features: • Real-time voice conversations with Live Mode that includes music recognition • Fast, high quality image generation • Deep message search across conversations • Community-driven AI Apps and custom assistants • Clean interface designed for productivity and exploration • Privacy focused and tons of personalization and customization options • Integration with Crux Cloud • Locally run models on supported devices • Sandbox to create files and projects on the go Crux AI focuses on speed, flexibility, and extensibility, giving you a powerful AI platform that adapts to how you work and think. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ContextStacker
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ContextStacker brings your workspace knowledge into one focused chat. Sign in with the same account you use on the web, then ask questions across readable documents and enabled API resources in your workspace. Answers stream as they are generated, support Markdown, and include source references so you can understand where the information came from. KEY FEATURES • Ask across your entire workspace without choosing a single document • Continue conversations shared with the ContextStacker web app • Receive streamed answers with Markdown formatting • Review document and API sources behind each answer • Start new conversations and revisit chat history • Switch workspaces and manage your account • View your current plan and usage Use the web app to add or manage documents and API resources or invite members. Workspace owners and billing managers can subscribe to Pro Annual or Business Annual in the iOS app. Each plan clearly shows its annual price and included services before purchase. ContextStacker supports English, Simplified Chinese, and Japanese. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: CruxAI at none against ContextStacker's 2. ContextStacker's advantage is update cadence (every 3 days vs every 11 days). On price, ads, device support and iOS requirement 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. ContextStacker sells 2 in-app purchases, starting at $99.00 per year. CruxAI asks for nothing beyond the download.
CruxAI ships an update every 11 days, ContextStacker every 3 days. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.
| Parameter | CruxAI | ContextStacker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 11 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 41 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | Evangelos Karambelas | 鹏源 邱 |
In-app purchases
CruxAI
No in-app purchases
ContextStacker
- Pro Annual$99.001 Year
- Business Annual$199.001 Year









