# Perry vs ERMIS

The clearest difference is in-app purchases: Perry at none against ERMIS's 2. Perry also leads on iOS requirement (15.1 vs 17.0). ERMIS's advantage is update cadence (every 5 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. ERMIS sells 2 in-app purchases, starting at $19.99 per month. Perry asks for nothing beyond the download.

Perry ships an update every 6 weeks, ERMIS every 5 days. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Perry | ERMIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/ermis-client-for-hermes/id6759341434/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 15 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GUEST PLUS YAZILIM VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1791179923) | [Ilya Vishneuski](https://appshunter.io/developer/1878175811) |

## What reviewers say

### Perry

[App page](https://appshunter.io/ios/app/perry/id6753999566)

**Features:** macOS Compatibility

**In-app purchases:** none


### ERMIS

[App page](https://appshunter.io/ios/app/ermis-client-for-hermes/id6759341434)

This app provides a mobile interface to control your self-hosted AI agent. Manage complex workflows, research topics, draft content, and solve coding problems remotely. Your data remains on your instance for enhanced privacy and control.

**Highlights:** Connect to your Hermes Agent instance, Research topics and summarize, Write, edit, and generate content, Assist with coding and debugging, Plan tasks and organize workflows, Remote agent management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | per month |
| Premium | $199.99 | per year |


## Frequently asked questions

### Is Perry free?

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

### Is ERMIS free?

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

### Do Perry or ERMIS have ads?

Neither Perry nor ERMIS shows ads.

### Which is updated more often, Perry or ERMIS?

Perry ships an update every 6 weeks, and ERMIS every 5 days. Most recently, Perry was updated on October 7, 2026 and ERMIS on October 20, 2026.

---

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