# sky animation vs Async.dev

The clearest difference is rating: Async.dev at 5.0 against sky animation's 4.5. Async.dev also leads on in-app purchases (none vs 1) and ads (none vs shown). sky animation's advantage is ratings volume (10 vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. sky animation sells 1 one-off in-app purchase. Async.dev asks for nothing beyond the download.

Async.dev holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: sky animation has 10 ratings behind it against 2, so its average is the more settled of the two.

sky animation ships an update every 6 weeks, Async.dev every 4 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | sky animation | Async.dev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (10 ratings)](https://appshunter.io/ios/app/sky-animation-animate-photo/id6450584021/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/asyncdev/id6744751511/reviews)** |
| Number of ratings | **10** | 2 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 91 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sounak Sarkar](https://appshunter.io/developer/938584928) | [Mikkel Kim](https://appshunter.io/developer/1720510195) |

## What reviewers say

### sky animation

[App page](https://appshunter.io/ios/app/sky-animation-animate-photo/id6450584021)

Transform still images into captivating animations with stunning motion effects. Easily add subtle movements, dynamic transitions, or 3D transformations to photos, illustrations, and artwork. Bring your visuals to life for social media, websites, or creative projects.

**Highlights:** Animate pictures with motion effects, Create 3D photo effects, Loop still images, Add background music to animations, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertisements | $1.99 | one-time |


### Async.dev

[App page](https://appshunter.io/ios/app/asyncdev/id6744751511)

This app allows developers to interact with their projects using natural language. You can issue tasks, create project plans, and review code through voice commands, streamlining the development workflow.

**Highlights:** Voice-controlled task management, AI-assisted bug fixing, UI tweaking via natural language, Code review functionality, Project planning tools

**In-app purchases:** none


## Frequently asked questions

### Is sky animation free?

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

### Is Async.dev free?

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

### Which has better reviews, sky animation or Async.dev?

Async.dev is rated higher. sky animation averages 4.5 out of 5 from 10 ratings, while Async.dev averages 5.0 from 2 ratings.

### Do sky animation or Async.dev have ads?

sky animation shows ads; Async.dev does not.

### Which is updated more often, sky animation or Async.dev?

sky animation ships an update every 6 weeks, and Async.dev every 4 days. Most recently, sky animation was updated on November 7, 2026 and Async.dev on October 30, 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.*