# Constlog vs Duuniareena

The clearest difference is update cadence: Duuniareena at every 3 weeks against Constlog's every 9 months. Constlog's advantage is iOS requirement (11.0 vs 15.0). 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.

Constlog ships an update every 9 months, Duuniareena every 3 weeks. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Constlog | Duuniareena |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 64 MB | 42 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SuperApp Oy](https://appshunter.io/developer/1020310824) | [Saarni Likeit Oy](https://appshunter.io/developer/1250378863) |

## What reviewers say

### Constlog

[App page](https://appshunter.io/ios/app/constlog/id1531318992)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duuniareena

[App page](https://appshunter.io/ios/app/duuniareena/id6499519391)

**In-app purchases:** none


## Frequently asked questions

### Is Constlog free?

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

### Is Duuniareena free?

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

### Do Constlog or Duuniareena have ads?

Neither Constlog nor Duuniareena shows ads.

### Which is updated more often, Constlog or Duuniareena?

Constlog ships an update every 9 months, and Duuniareena every 3 weeks. Most recently, Constlog was updated on October 1, 2026 and Duuniareena on October 2, 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.*