# Terragrid vs SkyDot

The clearest difference is in-app purchases: SkyDot at none against Terragrid's 2. SkyDot also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). Terragrid's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Terragrid sells 2 in-app purchases, starting at $2.99 per 7 days. SkyDot asks for nothing beyond the download.

Terragrid ships an update weekly, SkyDot every 10 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Terragrid | SkyDot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Size | 59 MB | 63 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Giray Ucar](https://appshunter.io/developer/1583246836) | [Jahanzaib Akhter](https://appshunter.io/developer/6788441958) |

## What reviewers say

### Terragrid

[App page](https://appshunter.io/ios/app/terragrid-world-map-tracker/id6782314851)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Terragrid+ Weekly | $2.99 | per 7 days |
| Terragrid+ Yearly | $24.99 | per year |


### SkyDot

[App page](https://appshunter.io/ios/app/skydot-offline-flight-tracker/id6788441956)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Terragrid free?

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

### Is SkyDot free?

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

### Do Terragrid or SkyDot have ads?

SkyDot shows ads; Terragrid does not.

### Which is updated more often, Terragrid or SkyDot?

Terragrid ships an update weekly, and SkyDot every 10 days. Most recently, Terragrid was updated on October 5, 2026 and SkyDot 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.*