# SmallPOS vs Onis Service

The clearest difference is update cadence: SmallPOS at monthly against Onis Service's every 12 months. SmallPOS also leads on iOS requirement (13.0 vs 15.1). 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.

SmallPOS ships an update monthly, Onis Service every 12 months. The most recent releases landed on September 11, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | SmallPOS | Onis Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onis-service/id6737501959/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | — | Free |
| Size | 20 MB | 12 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electromon Trading LLC](https://appshunter.io/developer/1570091664) | [Datacare LLC](https://appshunter.io/developer/1220811353) |

## What reviewers say

### SmallPOS

[App page](https://appshunter.io/ios/app/smallpos/id1570091662)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onis Service

[App page](https://appshunter.io/ios/app/onis-service/id6737501959)

A simple appointment booking system designed for various services and businesses. It streamlines the process of scheduling appointments, making it easier for both service providers and clients.

**Highlights:** Appointment scheduling, Service provider management, Client booking, Business management, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmallPOS free?

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

### Is Onis Service free?

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

### Do SmallPOS or Onis Service have ads?

Neither SmallPOS nor Onis Service shows ads.

### Which is updated more often, SmallPOS or Onis Service?

SmallPOS ships an update monthly, and Onis Service every 12 months. Most recently, SmallPOS was updated on September 11, 2026 and Onis Service on June 1, 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.*