Comparison

Caverno vs FormulaPad

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

Head to head
About

Caverno

Features
Read full description

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 โ€” no cloud required. KEY FEATURES โ€ข 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. โ€ข Tool Calling (MCP Protocol) Extend your AI with real-time tools โ€” web search, calculator, code execution, and more. Caverno uses the Model Context Protocol to let your LLM take actions. โ€ข Session Memory Your assistant remembers your preferences, constraints, and context across conversations. Memory is stored locally and fully under your control. โ€ข Voice In & Out Speak your messages and have responses read aloud. Configurable speech rate and auto-read options. โ€ข Image Attachments Attach photos from your library to include visual context in your conversations. โ€ข Multiple Conversations Create, switch, and manage separate chat threads. All conversations are persisted locally. โ€ข Assistant Modes Switch between General and Coding modes for different response styles tailored to your task. โ€ข Privacy First No account required. No data sent to third parties. All conversations and memory stay on your device โ€” 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.

About

FormulaPad

A local-first math notebook calculator for iPhone. Type natural formulas, reuse variables, and save calculations as notes. Includes practical templates and unit conversions for everyday math needs.

Highlights
  • Natural formula input
  • Variable reuse
  • Calculation history
  • Math notes
  • Practical templates
  • Unit conversion
  • Function plotting
Features
Read full description

FormulaPad is a local-first math notebook calculator for iPhone. Type natural formulas, reuse variables, keep calculation history, save useful results as notes, and use practical templates for everyday math. FormulaPad is built for students, teachers, engineers, and anyone who wants calculations to stay organized after the answer appears. Key features: - Natural formula input and scientific functions - Variables such as price = 299 and count = 12 - Calculation history with reuse and favorites - Math notes with title, category, remarks, and result - Templates for percentage, discount, compound interest, BMI, loan payment, average, triangle area, and speed - Unit conversion for length, weight, area, volume, temperature, time, and speed - Simple function plotting for expressions such as x^2 and sin(x) - Local data storage, no account required - FormulaPad Pro is a one-time unlock, not a subscription FormulaPad does not include ads, third-party analytics, tracking, or a custom account system.

Screenshots

Caverno4 screens
FormulaPad4 screens

Verdict

The call

The clearest difference is in-app purchases: Caverno at none against FormulaPad's 1. Caverno also leads on update cadence (every 2 days vs every 2 months). FormulaPad's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. FormulaPad sells 1 one-off in-app purchase. Caverno asks for nothing beyond the download.

UpkeepUpdate frequency

Caverno ships an update every 2 days, FormulaPad every 2 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard3 real differences ยท 5 level
Caverno versus FormulaPad: the parameters behind the verdict, then further details
ParameterCavernoFormulaPad
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 2 days โ€” betterEvery 2 months
AdsNoNo
In-app purchasesNo โ€” betterYes
Monetizationโ€”Free with in-app purchases
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS26.017.0 โ€” better
Further details โ€” not scored
Size33 MB3 MB
Age rating17+4+
DeveloperOsamu Noguchiๅฐๅ€ฉ ๅพ

In-app purchases

None

Caverno

No in-app purchases

1 purchases

FormulaPad

One-time1
  • FormulaPad Pro$0.99

Questions

Is Caverno free?
Caverno is free to download, with no in-app purchases.
Is FormulaPad free?
FormulaPad is free to download, with in-app purchases available.
Do Caverno or FormulaPad have ads?
Neither Caverno nor FormulaPad shows ads.
Which is updated more often, Caverno or FormulaPad?
Caverno ships an update every 2 days, and FormulaPad every 2 months. Most recently, Caverno was updated on November 9, 2026 and FormulaPad on October 31, 2026.

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