# exo.expert vs UDIG Genesis Sampling

The clearest difference is in-app purchases: UDIG Genesis Sampling at none against exo.expert's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. exo.expert sells 1 in-app purchase, starting at $699.99 per year. UDIG Genesis Sampling asks for nothing beyond the download.

exo.expert ships an update fortnightly, UDIG Genesis Sampling every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | exo.expert | UDIG Genesis Sampling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 60 MB | 83 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [exo.expert](https://appshunter.io/developer/1616178462) | [Greenback](https://appshunter.io/developer/1699012109) |

## What reviewers say

### exo.expert

[App page](https://appshunter.io/ios/app/exoexpert/id1464138791)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| exo.expert Full Version | $699.99 | per year |


### UDIG Genesis Sampling

[App page](https://appshunter.io/ios/app/udig-genesis-sampling/id6452755587)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is exo.expert free?

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

### Is UDIG Genesis Sampling free?

UDIG Genesis Sampling is free to download, with no in-app purchases.

### Do exo.expert or UDIG Genesis Sampling have ads?

Neither exo.expert nor UDIG Genesis Sampling shows ads.

### Which is updated more often, exo.expert or UDIG Genesis Sampling?

exo.expert ships an update fortnightly, and UDIG Genesis Sampling every 3 weeks. Most recently, exo.expert was updated on November 3, 2026 and UDIG Genesis Sampling on November 3, 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.*