What is Cactus?
Building AI-powered mobile apps often involves a trade-off between performance, cost, and privacy. Cactus is a high-performance edge inference framework designed for mobile developers, enabling you to run sophisticated AI models directly on your users' devices. This on-device approach eliminates network latency, guarantees user privacy, and significantly reduces your server costs.
Key Features
🚀 Cross-Platform Native Performance Build your AI features once and deploy them seamlessly across iOS and Android. Cactus offers dedicated support for React Native, Flutter, and C++, using proprietary, hardware-accelerated kernels to deliver exceptional inference speed (up to 300 tokens/second) and responsiveness.
🔒 Absolute On-Device Privacy With Cactus, all AI processing happens on the user's device by default. This means zero sensitive data is transmitted to a server, giving your users complete privacy and peace of mind. This architecture also makes your app fully functional offline, perfect for use in areas with unreliable connectivity.
🤖 Broad Model & Multimodal Support You have the freedom to use a wide range of open-source models. Cactus supports any model in the GGUF format (like Llama, Gemma, and Qwen) and accommodates everything from large FP32 models to highly efficient 2-bit quantized versions. Its unified framework handles text (LLM), image (VLM), and audio (TTS) models, giving you incredible creative flexibility.
☁️ Intelligent Cloud Fallback Get the best of both worlds. For routine tasks, rely on fast and private on-device processing. For exceptionally complex queries that require a larger model, Cactus provides an optional, seamless fallback to cloud-based inference, ensuring your app can handle any task gracefully.
How Cactus Solves Your Problems:
For a Privacy-First AI Assistant: You can build a chat application where a user's conversations and data never leave their phone. The AI can help draft messages or summarize documents even when the user is on a plane without an internet connection. This builds immense user trust and application reliability.
For an Intelligent Photo Gallery App: Implement a feature that allows users to search their photos using natural language (e.g., "Find my pictures from the beach last summer"). Cactus runs the visual language model (VLM) locally, analyzing images directly on the device without ever uploading private photos to the cloud.
For a Responsive Productivity App: Create an AI-powered tool that can instantly perform on-device actions, like setting a reminder or searching the device's contacts. By using Cactus's tool-calling capabilities, the AI can interact with native mobile functions without the lag of a server round-trip, creating a fluid and powerful user experience.
Conclusion:
Cactus is the definitive framework for integrating powerful, private, and cost-effective AI into your mobile applications. By moving inference from the cloud to the edge, you can deliver faster, more secure, and more reliable features that set your app apart.
More information on Cactus
Launched
2024-09
Pricing Model
Free
Starting Price
Global Rank
3980606
Follow
Month Visit
<5k
Tech used
Top 5 Countries
85.77%
14.23%
United States
United Kingdom
Traffic Sources
2.88%
0.6%
0.07%
9.44%
34.07%
52.76%
social
paidReferrals
mail
referrals
search
direct
Source: Similarweb (Sep 25, 2025)
Cactus was manually vetted by our editorial team and was first featured on 2025-07-12.
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