Open2FA vs Caverno
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Open2FA
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Open2FA is a simple, open source two-factor authentication application. Two-step verification helps you protect your accounts, even if attackers have your password. - All your codes are stored encrypted (AES-256). - Codes can be added via QR scan or manually. - FaceID and TouchID support. - Import and export encrypted file with codes. - You can store data as in iCloud and synchronize between devices, or store everything locally on your device. Open2FA - Two-factor authentication application with sync & AES-256 encryption. All your accounts are encrypted with AES-256. You can use iCloud to synchronize accounts between devices. There is import and export of encrypted file with all accounts. Or export the account to any other 2FA application.
Caverno
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Caverno is a powerful chat client for locally-hosted LLMs. Connect to Ollama, LM Studio, vLLM, or any OpenAI-compatible API endpoint and start chatting ā no cloud required. KEY FEATURES ⢠Any OpenAI-Compatible Server Connect to your own LLM running on localhost or your local network. Supports any endpoint that speaks the OpenAI API format. ⢠Tool Calling (MCP Protocol) Extend your AI with real-time tools ā web search, calculator, code execution, and more. Caverno uses the Model Context Protocol to let your LLM take actions. ⢠Session Memory Your assistant remembers your preferences, constraints, and context across conversations. Memory is stored locally and fully under your control. ⢠Voice In & Out Speak your messages and have responses read aloud. Configurable speech rate and auto-read options. ⢠Image Attachments Attach photos from your library to include visual context in your conversations. ⢠Multiple Conversations Create, switch, and manage separate chat threads. All conversations are persisted locally. ⢠Assistant Modes Switch between General and Coding modes for different response styles tailored to your task. ⢠Privacy First No account required. No data sent to third parties. All conversations and memory stay on your device ā the only network connection is to the server you configure. GETTING STARTED 1. Install an OpenAI-compatible LLM server (Ollama, LM Studio, etc.) 2. Open Caverno and go to Settings 3. Enter your server URL and select a model 4. Start chatting! Caverno is designed for developers, AI enthusiasts, and anyone who wants full control over their AI assistant.
Screenshots
Verdict
The clearest difference is update cadence: Caverno at every 2 days against Open2FA's every 3 weeks. Open2FA's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Open2FA ships an update every 3 weeks, Caverno every 2 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Open2FA | Caverno |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 days ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Mac ā better | iPhone, iPad |
| Requires iOS | 15.0 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 11 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | Uladzislau Vrubleuski | Osamu Noguchi |
In-app purchases
Open2FA
No in-app purchases
Caverno
No in-app purchases









