# Habit Stack vs AquaTick Water Tracker

The clearest difference is ads: Habit Stack at none against AquaTick Water Tracker's shown. AquaTick Water Tracker's advantage is update cadence (every 3 days vs every 2 months) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Habit Stack sells 3 in-app purchases, starting at $1.99 per month and AquaTick Water Tracker sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Habit Stack ships an update every 2 months, AquaTick Water Tracker every 3 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Habit Stack | AquaTick Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 13 MB | 154 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) | [Byunghak Ko](https://appshunter.io/developer/1633815618) |

## What reviewers say

### Habit Stack

[App page](https://appshunter.io/ios/app/habit-stack-self-care/id6758116671)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


### AquaTick Water Tracker

[App page](https://appshunter.io/ios/app/aquatick-water-tracker/id6762686013)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AquaTick Pro Monthly | $0.99 | per month |
| AquaTick Pro Yearly | $5.99 | per year |


## Frequently asked questions

### Is Habit Stack free?

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

### Is AquaTick Water Tracker free?

AquaTick Water Tracker is free to download, with in-app purchases available.

### Do Habit Stack or AquaTick Water Tracker have ads?

AquaTick Water Tracker shows ads; Habit Stack does not.

### Which is updated more often, Habit Stack or AquaTick Water Tracker?

Habit Stack ships an update every 2 months, and AquaTick Water Tracker every 3 days. Most recently, Habit Stack was updated on October 25, 2026 and AquaTick Water Tracker on October 25, 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.*