# ING Office vs ZZL

The clearest difference is update cadence: ZZL at every 2 weeks against ING Office's every 2 months. ZZL also leads on monetization model (free vs ad-supported). ING Office's advantage is review sentiment (26% vs 13%). 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.

ING Office ships an update every 2 months, ZZL every 2 weeks. The most recent releases landed on July 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ING Office | ZZL |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **25.6% of reviews** | 13.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 32 MB | 77 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ING Uslugi dla Biznesu S.A.](https://appshunter.io/developer/690442747) | [Kamsoft S.A.](https://appshunter.io/developer/988750703) |

## What reviewers say

### ING Office

[App page](https://appshunter.io/ios/app/ing-office/id690442744)

This app provides tools for entrepreneurs to manage business finances, including invoicing, accounting, and startup support. It offers features like mobile bookkeeping, invoice scanning, and direct access to accountants.

**Highlights:** Startup support with free accountant consultations, Quick and professional invoice generation, Mobile bookkeeping and financial control, Invoice scanning with automatic data reading, Dedicated accountant chat and phone support, Biometric and PIN login for convenience

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

**In-app purchases:** none


### ZZL

[App page](https://appshunter.io/ios/app/zzl/id1067311096)

This mobile application allows users to access and manage reports from the KS-ZZL system. It provides a convenient way to view financial and operational data on the go.

**Highlights:** Access KS-ZZL system reports, Mobile report management, View financial data, View operational data

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

**In-app purchases:** none


## Frequently asked questions

### Is ING Office free?

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

### Is ZZL free?

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

### Do ING Office or ZZL have ads?

Neither ING Office nor ZZL shows ads.

### Which is updated more often, ING Office or ZZL?

ING Office ships an update every 2 months, and ZZL every 2 weeks. Most recently, ING Office was updated on July 17, 2026 and ZZL on September 13, 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.*