# Online Számlázó vs KaChing

The clearest difference is in-app purchases: Online Számlázó at none against KaChing's 1. KaChing's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KaChing sells 1 in-app purchase, starting at $1.99 per month. Online Számlázó asks for nothing beyond the download.

Online Számlázó ships an update every 2 months, KaChing every 3 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Online Számlázó | KaChing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/online-szamlazo/id1487463552/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 32.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 35 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nemzeti Adó- és Vámhivatal](https://appshunter.io/developer/857762451) | [Edward Clarke](https://appshunter.io/developer/1811558044) |

## What reviewers say

### Online Számlázó

[App page](https://appshunter.io/ios/app/online-szamlazo/id1487463552)

This mobile app allows users to issue, modify, and cancel invoices, submit real-time data to the tax authority, and manage customer and product information. It provides access to news and statistics related to invoicing.

**Highlights:** Issue various invoice types, Submit real-time tax data, View and forward invoices, Create and manage customers, Create and manage products, Query statistics, Manage invoice pads

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

**In-app purchases:** none


### KaChing

[App page](https://appshunter.io/ios/app/kaching-payment-alerts/id6811557046)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KaChing Pro | $1.99 | per month |


## Frequently asked questions

### Is Online Számlázó free?

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

### Is KaChing free?

KaChing is free to download, with in-app purchases available.

### Do Online Számlázó or KaChing have ads?

Neither Online Számlázó nor KaChing shows ads.

### Which is updated more often, Online Számlázó or KaChing?

Online Számlázó ships an update every 2 months, and KaChing every 3 weeks. Most recently, Online Számlázó was updated on October 24, 2026 and KaChing on October 26, 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.*