# Air Tree vs SkyLetter

The clearest difference is ads: SkyLetter at none against Air Tree's shown. SkyLetter also leads on update cadence (fortnightly vs every 12 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Air Tree ships an update every 12 months, SkyLetter fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Air Tree | SkyLetter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/skyletter/id1469768088/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 138 MB | 45 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tahito Aoki](https://appshunter.io/developer/289946976) | [Kiyotaka Watanabe](https://appshunter.io/developer/1408976233) |

## What reviewers say

### Air Tree

[App page](https://appshunter.io/ios/app/air-tree/id1326495528)

**Features:** macOS Compatibility

**In-app purchases:** none


### SkyLetter

[App page](https://appshunter.io/ios/app/skyletter/id1469768088)

Create personalized messages drawn in the sky with airplane contrails. Share your creations as videos or photos on social media, perfect for sending unique greetings or declarations.

**Highlights:** Draw messages in the sky with contrails, Share creations as video or photo, Personalize messages for friends, Unique social media content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Air Tree free?

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

### Is SkyLetter free?

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

### Do Air Tree or SkyLetter have ads?

Air Tree shows ads; SkyLetter does not.

### Which is updated more often, Air Tree or SkyLetter?

Air Tree ships an update every 12 months, and SkyLetter fortnightly. Most recently, Air Tree was updated on November 2, 2026 and SkyLetter 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.*