# Onis POS vs lera.mn

The clearest difference is update cadence: lera.mn at every 6 days against Onis POS's monthly. Onis POS's advantage is iOS requirement (13.0 vs 15.6). 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 POS ships an update monthly, lera.mn every 6 days. The most recent releases landed on August 13, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Onis POS | lera.mn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/onis-pos/id1232097366/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free | — |
| Size | 20 MB | 138 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Datacare LLC](https://appshunter.io/developer/1220811353) | [Bilguun Erdenebaatar](https://appshunter.io/developer/1802873457) |

## What reviewers say

### Onis POS

[App page](https://appshunter.io/ios/app/onis-pos/id1232097366)

This application simplifies sales operations for shops, markets, and service providers. It allows users to issue official tax receipts to customers and track sales data. Connect to any Bluetooth printer for easy receipt printing.

**Highlights:** Issue QR code receipts, Track sales data, Connect to Bluetooth printers, Email receipts to customers, Multiple payment options, Monitor sales to tax authorities, Works on smartphones and tablets

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

**In-app purchases:** none


### lera.mn

[App page](https://appshunter.io/ios/app/leramn/id6743441216)

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

**In-app purchases:** none


## Frequently asked questions

### Is Onis POS free?

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

### Is lera.mn free?

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

### Do Onis POS or lera.mn have ads?

Neither Onis POS nor lera.mn shows ads.

### Which is updated more often, Onis POS or lera.mn?

Onis POS ships an update monthly, and lera.mn every 6 days. Most recently, Onis POS was updated on August 13, 2026 and lera.mn on September 27, 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.*