# Greyer vs Calemon

The clearest difference is review sentiment: Calemon at 100% against Greyer's 25%. Calemon also leads on rating (5.0 vs 3.9). Greyer's advantage is in-app purchases (none vs 1) and ratings volume (14 vs 1). On price, update cadence, ads and device support there is nothing between them.

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

Calemon holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Greyer has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of Greyer's written reviews are positive against 100% of Calemon's.

Greyer ships an update every 2 weeks, Calemon fortnightly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Greyer | Calemon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (14 ratings)](https://appshunter.io/ios/app/greyer-smart-ai-assistant/id6797496033/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calemon/id6806410515/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 85 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [GREYER LLC](https://appshunter.io/developer/6824986175) | [IMPLEMON LLC](https://appshunter.io/developer/1896782027) |

## What reviewers say

### Greyer

[App page](https://appshunter.io/ios/app/greyer-smart-ai-assistant/id6797496033)

This AI assistant helps you capture thoughts, organize notes, and manage tasks using voice commands. It integrates with your email and calendar to provide timely suggestions and reminders, keeping your day under control.

**Highlights:** Voice-based idea capture, Structured notes and to-dos, Customizable reminders, Email and calendar integration, Proactive suggestions, Smart cap compatibility

**In-app purchases:** none


### Calemon

[App page](https://appshunter.io/ios/app/calemon/id6806410515)

Transform your weekly schedule into a visually appealing wallpaper for your iPhone or iPad. Easily add classes, work shifts, or appointments and have them automatically arranged into a clear timetable. Customize backgrounds, colors, and typography to create a personalized schedule view.

**Highlights:** Create weekly schedules, Add events to multiple days, Customize colors and typography, Use personal photos as backgrounds, Export as PNG or JPEG, iCloud support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calemon Plus | $3.99 | one-time |


## Frequently asked questions

### Is Greyer free?

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

### Is Calemon free?

Calemon is free to download, with in-app purchases available.

### Which has better reviews, Greyer or Calemon?

Calemon is rated higher. Greyer averages 3.9 out of 5 from 14 ratings, while Calemon averages 5.0 from 1 ratings.

### Do Greyer or Calemon have ads?

Neither Greyer nor Calemon shows ads.

### Which is updated more often, Greyer or Calemon?

Greyer ships an update every 2 weeks, and Calemon fortnightly. Most recently, Greyer was updated on October 29, 2026 and Calemon on October 29, 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.*