# Socratus vs Greyer

The clearest difference is in-app purchases: Greyer at none against Socratus's 4. Greyer also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Socratus sells 4 in-app purchases, starting at $4.99 per month. Greyer asks for nothing beyond the download.

Socratus ships an update monthly, Greyer every 2 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Socratus | 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 | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 150 MB | 85 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Five Rivers Technologies (Pvt.) Ltd.](https://appshunter.io/developer/332209700) | [GREYER LLC](https://appshunter.io/developer/6824986175) |

## What reviewers say

### Socratus

[App page](https://appshunter.io/ios/app/socratus/id6775861332)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $49.99 | per year |
| Pro Yearly | $99.99 | per year |


### 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 Socratus free?

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

### Is Greyer free?

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

### Do Socratus or Greyer have ads?

Socratus shows ads; Greyer does not.

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

Socratus ships an update monthly, and Greyer every 2 weeks. Most recently, Socratus was updated on October 25, 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.*