# HAIL™ vs Aquena

The clearest difference is in-app purchases: HAIL™ at none against Aquena's 1. HAIL™ also leads on ads (none vs shown). Aquena's advantage is update cadence (every 2 days vs every 3 months) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Aquena sells 1 one-off in-app purchase. HAIL™ asks for nothing beyond the download.

HAIL™ ships an update every 3 months, Aquena every 2 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HAIL™ | Aquena |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 39 MB | 27 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RU Collaborative, LLC](https://appshunter.io/developer/6778895078) | [Victor Saito](https://appshunter.io/developer/6798414416) |

## What reviewers say

### HAIL™

[App page](https://appshunter.io/ios/app/hail/id6578420332)

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

**In-app purchases:** none


### Aquena

[App page](https://appshunter.io/ios/app/aquena-water-tracker/id6804858265)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aquena Premium | $2.99 | one-time |


## Frequently asked questions

### Is HAIL™ free?

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

### Is Aquena free?

Aquena is free to download, with in-app purchases available.

### Do HAIL™ or Aquena have ads?

Aquena shows ads; HAIL™ does not.

### Which is updated more often, HAIL™ or Aquena?

HAIL™ ships an update every 3 months, and Aquena every 2 days. Most recently, HAIL™ was updated on November 8, 2026 and Aquena on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*