# GRMonitor vs Prompt Watch

The clearest difference is price: GRMonitor at Free against Prompt Watch's $6.99. GRMonitor also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (12.1 vs 26.0). Prompt Watch's advantage is chart position (#187 vs unranked). On ads, in-app purchases and device support there is nothing between them.

GRMonitor is free to download; Prompt Watch costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GRMonitor ships an update every 8 days, Prompt Watch every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GRMonitor | Prompt Watch |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/prompt-watch/id6757393278/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | — | Paid |
| Best chart rank | — | **#187** |
| Size | 28 MB | 11 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Geir Rune Grtan](https://appshunter.io/developer/1497435860) | [Jan Stepanek](https://appshunter.io/developer/1866588070) |

## What reviewers say

### GRMonitor

[App page](https://appshunter.io/ios/app/grmonitor/id1530668152)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prompt Watch

[App page](https://appshunter.io/ios/app/prompt-watch/id6757393278)

**Currently charting:** #187 Top Paid · Utilities (US App Store)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GRMonitor free?

GRMonitor is free to download, with no in-app purchases.

### Is Prompt Watch free?

Prompt Watch costs $6.99, with no in-app purchases.

### Do GRMonitor or Prompt Watch have ads?

Neither GRMonitor nor Prompt Watch shows ads.

### Which is updated more often, GRMonitor or Prompt Watch?

GRMonitor ships an update every 8 days, and Prompt Watch every 2 months. Most recently, GRMonitor was updated on October 25, 2026 and Prompt Watch on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*