BPM Master vs Prompt Watch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BPM Master
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Quick, Accurate Beat Measurement Effortless Tap Control: Easily determine song BPM with a simple tap. Apple Watch Optimized: Always at hand for DJs, musicians, and music enthusiasts. Reliable Algorithm: Get fast and precise BPM readings. Automatic Reset: Ready for the next beat without manual resetting. Download BPM Counter and stay in rhythm effortlessly!
Prompt Watch
Interact with leading AI models directly from your Apple Watch using voice commands. This client requires your own API keys from providers like OpenAI, Google, and Anthropic to access AI services.
- Voice-first AI interaction
- Support for 6 AI providers
- OpenRouter integration for hundreds of models
- Customizable Watch home screen widgets
- Google Calendar integration
- Prompt history with token tracking
- Customizable prompts and advanced API controls
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Prompt Watch - LLM API Client for Apple Watch A professional API client for Apple Watch enabling direct voice interaction with leading AI models. Speak to your wrist, get instant AI responses. REQUIRES YOUR OWN API KEYS This app does not provide AI services. You must have API keys from: Anthropic (Claude), OpenAI (ChatGPT), Google (Gemini), xAI (Grok), Perplexity, or OpenRouter. KEY FEATURES Voice-First Interface — Natural speech-to-text with text-to-speech responses 6 AI Providers — Switch seamlessly between Claude, ChatGPT, Gemini, Grok, Perplexity, and OpenRouter OpenRouter Integration — Access hundreds of AI models through a single API key Customizable Watch Home Screen — Configure up to 4 widget shortcuts on your Watch home screen. Assign any provider and model, set a fixed prompt for instant one-tap responses, or leave it empty to open dictation. Customize widget name, icon, and color. Google Calendar Tools — List events and create calendar entries with voice commands Prompt History — Review conversations with token usage tracking synced across devices Custom Prompts — Save reusable templates for quick access on Watch Advanced Controls — Adjust temperature, tokens, Top K/P, and system prompts per provider Privacy-First — API keys stored locally, direct communication with providers Seamless Sync — Configure on iPhone, use on Watch instantly PROFESSIONAL FEATURES Hundreds of models via OpenRouter (GPT-4o, Llama, Mistral, and more) Multiple model options per provider Token usage monitoring (input/output/total) Request duration tracking Full API parameter control MCP tool integration (Google Calendar for Claude, ChatGPT, Gemini, and Grok) SETUP Get API keys from your chosen providers Configure settings in iPhone app Sync to Apple Watch Start speaking For developers and AI enthusiasts who want professional LLM access on their wrist. No subscriptions. No data collection. Just direct API control.
Screenshots
Verdict
The clearest difference is price: BPM Master at $0.99 against Prompt Watch's $6.99. BPM Master also leads on iOS requirement (13.0 vs 26.0). Prompt Watch's advantage is chart position (#187 vs unranked). On update cadence, ads, in-app purchases and device support 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
BPM Master costs $0.99 and Prompt Watch $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BPM Master ships an update every 6 weeks, Prompt Watch every 2 months. The most recent releases landed on September 30, 2026 and October 24, 2026 respectively.
| Parameter | BPM Master | Prompt Watch |
|---|---|---|
| Price | $0.99 — better | $6.99 |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #187 — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 11 MB |
| Age rating | 4+ | 12+ |
| Developer | Oleksandr Pasha | Jan Stepanek |
In-app purchases
BPM Master
No in-app purchases
Prompt Watch
No in-app purchases
Questions
Is BPM Master free?
Is Prompt Watch free?
Do BPM Master or Prompt Watch have ads?
Which is updated more often, BPM Master or Prompt Watch?
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