# One OS vs Impossible Goals

The clearest difference is in-app purchases: One OS at none against Impossible Goals's 2. Impossible Goals's advantage is update cadence (every 5 days vs every 3 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Impossible Goals sells 2 in-app purchases, starting at $1.99 per month. One OS asks for nothing beyond the download.

One OS ships an update every 3 months, Impossible Goals every 5 days. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | One OS | Impossible Goals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/impossible-goals/id6807963581/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 155 MB | 52 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wearatec Inc](https://appshunter.io/developer/1291493037) | [Better Together Technologies](https://appshunter.io/developer/6807963242) |

## What reviewers say

### One OS

[App page](https://appshunter.io/ios/app/one-os/id6472438941)

This app transforms luxury watches into smart companions by integrating health monitoring, contactless payments, and access to connected luxury experiences. Manage multiple devices, secure your data, and add payment cards, keys, and access cards to your wearable.

**Highlights:** Health monitoring and fitness tracking, Contactless payments via NFC, Manage multiple connected watches, Securely store payment cards and access keys, Access connected luxury experiences, Full data control and anonymity

**In-app purchases:** none


### Impossible Goals

[App page](https://appshunter.io/ios/app/impossible-goals/id6807963581)

Break down large ambitions into manageable steps. Track your progress with notes and photos, set target dates, and collaborate with others. Start with five goals for free, or upgrade for unlimited ambitions.

**Highlights:** Break down large goals into small steps, Record progress with notes and photos, Set target dates or keep goals open-ended, Collaborate with co-owners on goals, Follow and support others' goals, Start your own goal version inspired by others

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $14.99 | per year |


## Frequently asked questions

### Is One OS free?

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

### Is Impossible Goals free?

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

### Do One OS or Impossible Goals have ads?

Neither One OS nor Impossible Goals shows ads.

### Which is updated more often, One OS or Impossible Goals?

One OS ships an update every 3 months, and Impossible Goals every 5 days. Most recently, One OS was updated on October 10, 2026 and Impossible Goals on October 18, 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.*