# Landax vs Duett

The clearest difference is update cadence: Duett at every 9 days against Landax's every 3 weeks. Duett also leads on iOS requirement (15.0 vs 17.6). 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.

Landax ships an update every 3 weeks, Duett every 9 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Landax | Duett |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 69 MB | 64 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EG A/S](https://appshunter.io/developer/501296151) | [Duett AS](https://appshunter.io/developer/1084993667) |

## What reviewers say

### Landax

[App page](https://appshunter.io/ios/app/landax/id1366146481)

**In-app purchases:** none


### Duett

[App page](https://appshunter.io/ios/app/duett/id1500550863)

Manage your business finances with ease. Track income, send invoices, pay bills, and handle receipts all from your mobile device. Collaborate seamlessly with your accountant for streamlined bookkeeping.

**Highlights:** Financial overview, Invoicing and reminders, Bill payment, Receipt management with OCR, Document flow, Time tracking, Expense reporting, Leave and absence management

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

**In-app purchases:** none


## Frequently asked questions

### Is Landax free?

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

### Is Duett free?

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

### Do Landax or Duett have ads?

Neither Landax nor Duett shows ads.

### Which is updated more often, Landax or Duett?

Landax ships an update every 3 weeks, and Duett every 9 days. Most recently, Landax was updated on October 24, 2026 and Duett on October 20, 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.*