# Waterline vs Formiris

The clearest difference is update cadence: Formiris at every 5 weeks against Waterline's every 16 months. Waterline's advantage is iOS requirement (13.0 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.

Waterline ships an update every 16 months, Formiris every 5 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Waterline | Formiris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 weeks** |
| Size | 114 MB | 228 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Games for Citizens](https://appshunter.io/developer/1573438126) | [FORMIRIS](https://appshunter.io/developer/1694888033) |

## What reviewers say

### Waterline

[App page](https://appshunter.io/ios/app/waterline/id6446896688)

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

**In-app purchases:** none


### Formiris

[App page](https://appshunter.io/ios/app/formiris/id6450773918)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Waterline free?

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

### Is Formiris free?

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

### Do Waterline or Formiris have ads?

Neither Waterline nor Formiris shows ads.

### Which is updated more often, Waterline or Formiris?

Waterline ships an update every 16 months, and Formiris every 5 weeks. Most recently, Waterline was updated on October 5, 2026 and Formiris on October 1, 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.*