# Lumo vs Greyer

The clearest difference is in-app purchases: Greyer at none against Lumo's 6. Lumo's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Lumo sells 6 in-app purchases, starting at $3.99 per month. Greyer asks for nothing beyond the download.

Lumo ships an update every 2 days, Greyer every 2 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Lumo | Greyer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (14 ratings)](https://appshunter.io/ios/app/greyer-smart-ai-assistant/id6797496033/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 70 MB | 85 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [炜腾 张](https://appshunter.io/developer/1749544018) | [GREYER LLC](https://appshunter.io/developer/6824986175) |

## What reviewers say

### Lumo

[App page](https://appshunter.io/ios/app/lumo-ai-memory/id6765617253)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family Seats | $3.99 | per month |
| Plus Monthly | $4.99 | per month |
| Pro Monthly | $9.99 | per month |
| Plus Yearly | $39.99 | per year |
| Pro Yearly | $79.99 | per year |
| Pro Lifetime | $149.00 | one-time |


### 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


## Frequently asked questions

### Is Lumo free?

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

### Is Greyer free?

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

### Do Lumo or Greyer have ads?

Neither Lumo nor Greyer shows ads.

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

Lumo ships an update every 2 days, and Greyer every 2 weeks. Most recently, Lumo was updated on October 28, 2026 and Greyer 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.*