# h2oResearch vs Eidica

The clearest difference is in-app purchases: h2oResearch at none against Eidica's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Eidica sells 3 in-app purchases, starting at $2.99 per month. h2oResearch asks for nothing beyond the download.

h2oResearch ships an update every 2 weeks, Eidica every 10 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | h2oResearch | Eidica |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/h2oresearch/id6747778282/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 22 MB | 121 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [H2o.ai Inc](https://appshunter.io/developer/1751974048) | [Behcet Samet Baydar](https://appshunter.io/developer/1846306701) |

## What reviewers say

### h2oResearch

[App page](https://appshunter.io/ios/app/h2oresearch/id6747778282)

This AI-powered mobile assistant provides deep research intelligence and enterprise-ready AI capabilities. It leverages advanced agents and large language models for comprehensive analysis and secure data handling, transforming how teams access and interact with information.

**Highlights:** Deep research intelligence with AI agents, Enterprise-ready AI for business data, Secure and private data handling, LLM & RAG integration, Specialized AI agents for workflows, Customizable research experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Eidica

[App page](https://appshunter.io/ios/app/eidica-visual-notes/id6754018702)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $2.99 | per month |
| All Access | $19.99 | per year |
| Full Access (Lifetime) | $29.99 | one-time |


## Frequently asked questions

### Is h2oResearch free?

h2oResearch is free to download, with no in-app purchases.

### Is Eidica free?

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

### Do h2oResearch or Eidica have ads?

Neither h2oResearch nor Eidica shows ads.

### Which is updated more often, h2oResearch or Eidica?

h2oResearch ships an update every 2 weeks, and Eidica every 10 days. Most recently, h2oResearch was updated on October 30, 2026 and Eidica on November 9, 2026.

---

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