# Just One vs Orbit

The clearest difference is in-app purchases: Just One at none against Orbit's 3. Just One also leads on update cadence (daily vs weekly) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Orbit sells 3 in-app purchases, starting at $1.99 per 7 days. Just One asks for nothing beyond the download.

Just One ships an update daily, Orbit weekly. The most recent releases landed on August 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Just One | Orbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 18 MB | 32 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Raving Code](https://appshunter.io/developer/1769017948) | [Jan Piotrzkowski](https://appshunter.io/developer/6783748789) |

## What reviewers say

### Just One

[App page](https://appshunter.io/ios/app/just-one-one-task-at-a-time/id6764329092)

**In-app purchases:** none


### Orbit

[App page](https://appshunter.io/ios/app/orbit-adhd-time-tracker/id6789995389)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orbit Pro Weekly | $1.99 | per 7 days |
| Orbit Pro Monthly | $7.99 | per month |
| Orbit Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Just One free?

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

### Is Orbit free?

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

### Do Just One or Orbit have ads?

Neither Just One nor Orbit shows ads.

### Which is updated more often, Just One or Orbit?

Just One ships an update daily, and Orbit weekly. Most recently, Just One was updated on August 6, 2026 and Orbit on September 9, 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.*