# Streak Stack vs OS One

The clearest difference is in-app purchases: Streak Stack at none against OS One's 3. Streak Stack also leads on update cadence (daily vs every 4 days) and ratings volume (10 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. OS One sells 3 in-app purchases, starting at $4.99 per month. Streak Stack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Streak Stack against 5.0 for OS One. 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.

Streak Stack ships an update daily, OS One every 4 days. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Streak Stack | OS One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/streak-stack/id6741832418/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/os-one/id6760207862/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 65 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Arman Piric](https://appshunter.io/developer/1795834337) | [Human Interface Design LLC](https://appshunter.io/developer/1078749730) |

## What reviewers say

### 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


### OS One

[App page](https://appshunter.io/ios/app/os-one/id6760207862)

This personal agent assists with chat, content creation, and app integration. It can generate images and videos, search the web, and manage tasks through a conversational interface. Advanced features require a subscription after initial free examples.

**Highlights:** AI chat and reasoning, Image and video generation, Web and X search, App integrations, Voice and podcast modes, Live Activities tracking

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Pro | $19.99 | per month |
| Max | $99.99 | per month |


## Frequently asked questions

### Is Streak Stack free?

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

### Is OS One free?

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

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

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

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

Neither Streak Stack nor OS One shows ads.

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

Streak Stack ships an update daily, and OS One every 4 days. Most recently, Streak Stack was updated on September 24, 2026 and OS One on September 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.*