# EPIO Research vs Step Orbit

The clearest difference is update cadence: EPIO Research at every 2 months against Step Orbit's every 6 months. EPIO Research also leads on iOS requirement (14.0 vs 17.0). 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.

EPIO Research ships an update every 2 months, Step Orbit every 6 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | EPIO Research | Step Orbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 31 MB | 19 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oslo Universitetssykehus HF](https://appshunter.io/developer/1019156091) | [Pranav More](https://appshunter.io/developer/1762474762) |

## What reviewers say

### EPIO Research

[App page](https://appshunter.io/ios/app/epio-research/id1446883754)

**Features:** macOS Compatibility

**In-app purchases:** none


### Step Orbit

[App page](https://appshunter.io/ios/app/step-orbit-walking-tracker/id6762001211)

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

**In-app purchases:** none


## Frequently asked questions

### Is EPIO Research free?

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

### Is Step Orbit free?

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

### Do EPIO Research or Step Orbit have ads?

Neither EPIO Research nor Step Orbit shows ads.

### Which is updated more often, EPIO Research or Step Orbit?

EPIO Research ships an update every 2 months, and Step Orbit every 6 months. Most recently, EPIO Research was updated on November 6, 2026 and Step Orbit on November 5, 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.*