# SkyLetter vs echopaint

The clearest difference is update cadence: echopaint at weekly against SkyLetter's fortnightly. SkyLetter's advantage is iOS requirement (12.0 vs 17.4). On price, ads, in-app purchases and device support there is nothing between them.

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

SkyLetter ships an update fortnightly, echopaint weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SkyLetter | echopaint |
| --- | --- | --- |
| 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 | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 45 MB | 1 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kiyotaka Watanabe](https://appshunter.io/developer/1408976233) | [Riley Williams](https://appshunter.io/developer/1848023764) |

## What reviewers say

### 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


### echopaint

[App page](https://appshunter.io/ios/app/echopaint/id6754354177)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SkyLetter free?

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

### Is echopaint free?

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

### Do SkyLetter or echopaint have ads?

Neither SkyLetter nor echopaint shows ads.

### Which is updated more often, SkyLetter or echopaint?

SkyLetter ships an update fortnightly, and echopaint weekly. Most recently, SkyLetter was updated on October 24, 2026 and echopaint on October 28, 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.*