# Stacks vs Moodoo.ai

The clearest difference is in-app purchases: Stacks at none against Moodoo.ai's 1. Stacks also leads on ads (none vs shown). Moodoo.ai's advantage is update cadence (daily vs weekly) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Moodoo.ai sells 1 in-app purchase, starting at $4.99 per month. Stacks asks for nothing beyond the download.

Stacks ships an update weekly, Moodoo.ai daily. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Stacks | Moodoo.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/stacks-routine-and-habits/id6484160851/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Free | — |
| Size | 16 MB | 56 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EUN SANG LEE](https://appshunter.io/developer/1483878467) | [Veezio Solutions s.r.o.](https://appshunter.io/developer/1812195636) |

## What reviewers say

### Stacks

[App page](https://appshunter.io/ios/app/stacks-routine-and-habits/id6484160851)

This app helps you build positive habits and break old ones by combining them into routines. Track your progress easily and sync your data across devices. It also integrates with Apple Health to monitor your well-being.

**Highlights:** Habit stacking for routine building, Intuitive daily habit tracking, Cross-device synchronization, Apple Health integration, Progress streak visualization

**In-app purchases:** none


### Moodoo.ai

[App page](https://appshunter.io/ios/app/moodooai/id6745428809)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |


## Frequently asked questions

### Is Stacks free?

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

### Is Moodoo.ai free?

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

### Do Stacks or Moodoo.ai have ads?

Moodoo.ai shows ads; Stacks does not.

### Which is updated more often, Stacks or Moodoo.ai?

Stacks ships an update weekly, and Moodoo.ai daily. Most recently, Stacks was updated on November 4, 2026 and Moodoo.ai on October 30, 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.*