# Master One vs Streak Stack

The clearest difference is in-app purchases: Streak Stack at none against Master One's 1. Streak Stack also leads on ads (none vs shown) and update cadence (daily vs every 2 months). Master One's advantage is iOS requirement (16.6 vs 18.0). On price, rating and device support there is nothing between them.

Both are free to download. Master One sells 1 one-off in-app purchase. Streak Stack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Master One against 5.0 for Streak Stack. That said, the two scores are not equally well evidenced: Streak Stack has 10 ratings behind it against 1, so its average is the more settled of the two.

Master One ships an update every 2 months, Streak Stack daily. The most recent releases landed on June 8, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Master One | Streak Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/master-one-habit-builder/id6504889928/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/streak-stack/id6741832418/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 2 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mary Ogawa](https://appshunter.io/developer/1615657857) | [Arman Piric](https://appshunter.io/developer/1795834337) |

## What reviewers say

### Master One

[App page](https://appshunter.io/ios/app/master-one-habit-builder/id6504889928)

This app guides you in building habits by focusing on one at a time. You can set custom durations, track your progress and streaks, and review your completed habits. It offers a clean, distraction-free interface with options to archive or restart habits.

**Highlights:** One habit focus, Custom habit durations, Streak and history tracking, Mastered habits archive, Minimalist design, Archive and restart habits, Strict mode for perfect streaks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LIFE_PURCHASE | $0.99 | one-time |


### Streak Stack

[App page](https://appshunter.io/ios/app/streak-stack/id6741832418)

Effortlessly track your habits and progress towards your goals with a clean, simple interface. Log your achievements in seconds and visualize your success with an intuitive bubble-based tracker. Stay organized by categorizing your goals and focus on what matters most without distractions.

**Highlights:** Effortless habit tracking, Visual progress tracking, Goal categorization, Quick logging, Simple, distraction-free design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Master One free?

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

### Is Streak Stack free?

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

### Which has better reviews, Master One or Streak Stack?

Master One and Streak Stack are both rated 5.0 out of 5 on the App Store, from 1 and 10 ratings respectively.

### Do Master One or Streak Stack have ads?

Master One shows ads; Streak Stack does not.

### Which is updated more often, Master One or Streak Stack?

Master One ships an update every 2 months, and Streak Stack daily. Most recently, Master One was updated on June 8, 2026 and Streak Stack on June 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.*