# Onis Plus vs UB Buyan

The clearest difference is update cadence: UB Buyan at every 3 days against Onis Plus's monthly. 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.

Onis Plus ships an update monthly, UB Buyan every 3 days. The most recent releases landed on October 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Onis Plus | UB Buyan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onis-plus/id1499754482/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 26 MB | 42 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Datacare LLC](https://appshunter.io/developer/1220811353) | [Otgonchimeg Erdenechimeg](https://appshunter.io/developer/1828577765) |

## What reviewers say

### Onis Plus

[App page](https://appshunter.io/ios/app/onis-plus/id1499754482)

This app helps businesses manage inventory, track sales, and calculate taxes. It allows users to add products with images and barcodes, monitor stock levels, and generate sales reports. It also supports electronic tax receipts and payments via Most Money.

**Highlights:** Inventory management with images and barcodes, Sales tracking by product and receipt, Stock level monitoring, Tax calculation (NHT), Sales reporting, Electronic tax receipt generation, Most Money payment integration

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

**In-app purchases:** none


### UB Buyan

[App page](https://appshunter.io/ios/app/ub-buyan/id6780312353)

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

**In-app purchases:** none


## Frequently asked questions

### Is Onis Plus free?

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

### Is UB Buyan free?

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

### Do Onis Plus or UB Buyan have ads?

Neither Onis Plus nor UB Buyan shows ads.

### Which is updated more often, Onis Plus or UB Buyan?

Onis Plus ships an update monthly, and UB Buyan every 3 days. Most recently, Onis Plus was updated on October 15, 2026 and UB Buyan on September 25, 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.*