# Geodesic vs Sebastian

The clearest difference is in-app purchases: Geodesic at none against Sebastian's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sebastian sells 4 in-app purchases, starting at $14.99 per year. Geodesic asks for nothing beyond the download.

Geodesic ships an update every 6 days, Sebastian every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Geodesic | Sebastian |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 3 days** |
| Size | 30 MB | 26 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CHENG WEI TUNG](https://appshunter.io/developer/1896746498) | [David Yao](https://appshunter.io/developer/6801843094) |

## What reviewers say

### Geodesic

[App page](https://appshunter.io/ios/app/geodesic-visualize-your-path/id6770481432)

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

**In-app purchases:** none


### Sebastian

[App page](https://appshunter.io/ios/app/sebastian-travel-planner/id6801843092)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sebastian Travel All Year | $14.99 | per year |
| Buy us a coffee | $2.99 | one-time |
| A Trip With Sebastian | $4.99 | one-time |
| Buy us a larger coffee | $4.99 | one-time |


## Frequently asked questions

### Is Geodesic free?

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

### Is Sebastian free?

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

### Do Geodesic or Sebastian have ads?

Neither Geodesic nor Sebastian shows ads.

### Which is updated more often, Geodesic or Sebastian?

Geodesic ships an update every 6 days, and Sebastian every 3 days. Most recently, Geodesic was updated on October 24, 2026 and Sebastian on October 24, 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.*