# sierraoutdoor vs EIDOUS

The clearest difference is ads: EIDOUS at none against sierraoutdoor's shown. On price, update cadence, 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.

sierraoutdoor ships an update every 2 months, EIDOUS every 4 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | sierraoutdoor | EIDOUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 71 MB | 74 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ho Corporation Ltd.](https://appshunter.io/developer/1562800921) | [Minyoung Corporation](https://appshunter.io/developer/1593124343) |

## What reviewers say

### sierraoutdoor

[App page](https://appshunter.io/ios/app/sierraoutdoor/id1019412820)

**In-app purchases:** none


### EIDOUS

[App page](https://appshunter.io/ios/app/eidous/id1593124341)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is sierraoutdoor free?

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

### Is EIDOUS free?

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

### Do sierraoutdoor or EIDOUS have ads?

sierraoutdoor shows ads; EIDOUS does not.

### Which is updated more often, sierraoutdoor or EIDOUS?

sierraoutdoor ships an update every 2 months, and EIDOUS every 4 months. Most recently, sierraoutdoor was updated on September 9, 2026 and EIDOUS on September 17, 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.*