# Z16 vs Siempre Wave

Z16 and Siempre Wave are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Z16 | Siempre Wave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 25 MB | 35 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ayuntamiento de Zaragoza](https://appshunter.io/developer/568849955) | [adrian yuri pelegrin prieto](https://appshunter.io/developer/1895358563) |

## What reviewers say

### Z16

[App page](https://appshunter.io/ios/app/z16/id1460561984)

**Features:** macOS Compatibility

**In-app purchases:** none


### Siempre Wave

[App page](https://appshunter.io/ios/app/siempre-wave/id6763527937)

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

**In-app purchases:** none


## Frequently asked questions

### Is Z16 free?

Z16 is free to download, with no in-app purchases.

### Is Siempre Wave free?

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

### Do Z16 or Siempre Wave have ads?

Neither Z16 nor Siempre Wave shows ads.

### Which is updated more often, Z16 or Siempre Wave?

Z16 ships an update every 2 months, and Siempre Wave every 2 months. Most recently, Z16 was updated on October 18, 2026 and Siempre Wave on October 14, 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.*