# Annapurna Hostels vs RiverOS

The clearest difference is iOS requirement: Annapurna Hostels at 13.4 against RiverOS's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Annapurna Hostels ships an update every 3 weeks, RiverOS fortnightly. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Annapurna Hostels | RiverOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 38 MB | 160 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Lagom Innovations Private Limited](https://appshunter.io/developer/1694323998) | [RIVERTECH PRIVATE COMPANY](https://appshunter.io/developer/1734188310) |

## What reviewers say

### Annapurna Hostels

[App page](https://appshunter.io/ios/app/annapurna-hostels/id6464372553)

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

**In-app purchases:** none


### RiverOS

[App page](https://appshunter.io/ios/app/riveros/id6478854990)

**Features:** Siri integration, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Annapurna Hostels free?

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

### Is RiverOS free?

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

### Do Annapurna Hostels or RiverOS have ads?

Neither Annapurna Hostels nor RiverOS shows ads.

### Which is updated more often, Annapurna Hostels or RiverOS?

Annapurna Hostels ships an update every 3 weeks, and RiverOS fortnightly. Most recently, Annapurna Hostels was updated on October 27, 2026 and RiverOS on October 7, 2026.

---

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