# Smartbirds vs Zwalm

The clearest difference is update cadence: Zwalm at every 2 weeks against Smartbirds's every 2 months. Smartbirds's advantage is iOS requirement (12.0 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.

Smartbirds ships an update every 2 months, Zwalm every 2 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Smartbirds | Zwalm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 51 MB | 75 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Nexxtlab SA](https://appshunter.io/developer/1513164101) | [Vlaamse overheid](https://appshunter.io/developer/664577169) |

## What reviewers say

### Smartbirds

[App page](https://appshunter.io/ios/app/smartbirds/id1513164102)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zwalm

[App page](https://appshunter.io/ios/app/zwalm/id1562994337)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smartbirds free?

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

### Is Zwalm free?

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

### Do Smartbirds or Zwalm have ads?

Neither Smartbirds nor Zwalm shows ads.

### Which is updated more often, Smartbirds or Zwalm?

Smartbirds ships an update every 2 months, and Zwalm every 2 weeks. Most recently, Smartbirds was updated on November 7, 2026 and Zwalm on November 3, 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.*