Comparison

Open2FA vs Caverno

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

About

Caverno

Features
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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 — 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 — 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 — 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

Open2FA4 screens
Caverno4 screens

Verdict

The call

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard3 real differences Ā· 3 level
Open2FA versus Caverno: the parameters behind the verdict, then further details
ParameterOpen2FACaverno
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size11 MB33 MB
Age rating4+17+
DeveloperUladzislau VrubleuskiOsamu Noguchi

In-app purchases

None

Open2FA

No in-app purchases

None

Caverno

No in-app purchases

Questions

Is Open2FA free?
Open2FA is free to download, with no in-app purchases.
Is Caverno free?
Caverno is free to download, with no in-app purchases.
Do Open2FA or Caverno have ads?
Neither Open2FA nor Caverno shows ads.
Which is updated more often, Open2FA or Caverno?
Open2FA ships an update every 3 weeks, and Caverno every 2 days. Most recently, Open2FA was updated on October 25, 2026 and Caverno on October 28, 2026.

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