# NANO universe vs Open!

The clearest difference is device support: Open! at 3 against NANO universe's 1. 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.

NANO universe ships an update every 6 weeks, Open! every 5 weeks. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | NANO universe | Open! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 4.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 60 MB | 1 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [nanouniverse co,ltd.](https://appshunter.io/developer/934771961) | [VitaNet Japan, Inc.](https://appshunter.io/developer/1560953732) |

## What reviewers say

### NANO universe

[App page](https://appshunter.io/ios/app/nano-universe/id934771962)

This official app for a fashion select shop allows users to search for and purchase items online. It also enables checking in-store inventory and using the app as a membership card for earning and redeeming points at physical locations.

**Highlights:** Online shopping, Search for products, Check store inventory, Membership card, Earn and use points

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

**In-app purchases:** none


### Open!

[App page](https://appshunter.io/ios/app/open/id6738834824)

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

**In-app purchases:** none


## Frequently asked questions

### Is NANO universe free?

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

### Is Open! free?

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

### Do NANO universe or Open! have ads?

Neither NANO universe nor Open! shows ads.

### Which is updated more often, NANO universe or Open!?

NANO universe ships an update every 6 weeks, and Open! every 5 weeks. Most recently, NANO universe was updated on November 11, 2026 and Open! on November 8, 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.*