# Eurekos vs ResearchGuide

The clearest difference is update cadence: ResearchGuide at every 3 days against Eurekos's every 2 months. ResearchGuide also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Eurekos ships an update every 2 months, ResearchGuide every 3 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Eurekos | ResearchGuide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 64 MB | 17 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Eurekos](https://appshunter.io/developer/1556091934) | [Monark IT](https://appshunter.io/developer/1618583329) |

## What reviewers say

### Eurekos

[App page](https://appshunter.io/ios/app/eurekos/id1556091932)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### ResearchGuide

[App page](https://appshunter.io/ios/app/researchguide/id6477701498)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eurekos free?

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

### Is ResearchGuide free?

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

### Do Eurekos or ResearchGuide have ads?

Neither Eurekos nor ResearchGuide shows ads.

### Which is updated more often, Eurekos or ResearchGuide?

Eurekos ships an update every 2 months, and ResearchGuide every 3 days. Most recently, Eurekos was updated on October 1, 2026 and ResearchGuide on October 9, 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.*