# ContentBox vs ERMIS

The clearest difference is in-app purchases: ContentBox at none against ERMIS's 2. ContentBox also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). ERMIS's advantage is update cadence (every 5 days vs every 39 months). On price and ads there is nothing between them.

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

ContentBox ships an update every 39 months, ERMIS every 5 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ContentBox | ERMIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ermis-client-for-hermes/id6759341434/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 13 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Conscia A/S](https://appshunter.io/developer/1144470533) | [Ilya Vishneuski](https://appshunter.io/developer/1878175811) |

## What reviewers say

### ContentBox

[App page](https://appshunter.io/ios/app/contentbox/id540347830)

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

**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 ContentBox free?

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

### Is ERMIS free?

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

### Do ContentBox or ERMIS have ads?

Neither ContentBox nor ERMIS shows ads.

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

ContentBox ships an update every 39 months, and ERMIS every 5 days. Most recently, ContentBox was updated on October 7, 2026 and ERMIS on October 3, 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.*