# Probe vs Eye Sky

The clearest difference is in-app purchases: Probe at none against Eye Sky's 2. Probe also leads on update cadence (weekly vs fortnightly) and iOS requirement (13.4 vs 15.0). Eye Sky's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Eye Sky sells 2 in-app purchases, starting at $6.99 per month. Probe asks for nothing beyond the download.

Probe ships an update weekly, Eye Sky fortnightly. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Probe | Eye Sky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Size | 107 MB | 294 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Probe Network Inc.](https://appshunter.io/developer/1502181920) | [Innerorbital Psychostructures Corp.](https://appshunter.io/developer/1817068139) |

## What reviewers say

### Probe

[App page](https://appshunter.io/ios/app/probe/id6504772090)

**Features:** Apple Wallet

**In-app purchases:** none


### Eye Sky

[App page](https://appshunter.io/ios/app/eye-sky/id6756592203)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Annual Subscription | $69.99 | per year |


## Frequently asked questions

### Is Probe free?

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

### Is Eye Sky free?

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

### Do Probe or Eye Sky have ads?

Probe shows ads; Eye Sky does not.

### Which is updated more often, Probe or Eye Sky?

Probe ships an update weekly, and Eye Sky fortnightly. Most recently, Probe was updated on October 13, 2026 and Eye Sky on October 11, 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.*