# SkyWise vs 15 seconds

The clearest difference is update cadence: 15 seconds at every 3 days against SkyWise's weekly. 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.

SkyWise ships an update weekly, 15 seconds every 3 days. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SkyWise | 15 seconds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/skywise/id6462698752/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 106 MB | 32 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Francesco Cogliandro](https://appshunter.io/developer/1629065798) | [Marco Cotone](https://appshunter.io/developer/1892402713) |

## What reviewers say

### SkyWise

[App page](https://appshunter.io/ios/app/skywise/id6462698752)

A social network for astrophotography enthusiasts to share images, connect with others, and explore celestial content. Learn new techniques and discover astronomical objects.

**Highlights:** Share astrophotography images, Connect with stargazers, Explore celestial content, Learn astrophotography techniques, Custom astronomical object catalog

**Features:** macOS Compatibility

**In-app purchases:** none


### 15 seconds

[App page](https://appshunter.io/ios/app/15-seconds-social/id6799385850)

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

**In-app purchases:** none


## Frequently asked questions

### Is SkyWise free?

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

### Is 15 seconds free?

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

### Do SkyWise or 15 seconds have ads?

Both SkyWise and 15 seconds show ads.

### Which is updated more often, SkyWise or 15 seconds?

SkyWise ships an update weekly, and 15 seconds every 3 days. Most recently, SkyWise was updated on October 14, 2026 and 15 seconds on October 16, 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.*