# By vs AstroShort

The clearest difference is iOS requirement: AstroShort at 15.0 against By's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

By ships an update fortnightly, AstroShort every 3 weeks. The most recent releases landed on October 31, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | By | AstroShort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astroshort/id6779456978/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 14 MB | 117 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Appno GmbH](https://appshunter.io/developer/1495324399) | [Edon Zogaj](https://appshunter.io/developer/1488603658) |

## What reviewers say

### By

[App page](https://appshunter.io/ios/app/by-pass/id6760612355)

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

**In-app purchases:** none


### AstroShort

[App page](https://appshunter.io/ios/app/astroshort/id6779456978)

Explore the entire universe from your fingertips, flying between planets, moons, and even black holes. Dive deep into factual information sourced from NASA, with interactive real-world locations and animated scenes. Offers both an explorer and a kid-friendly mode for all ages.

**Highlights:** Interactive solar system exploration, Detailed planet and moon information, Real-world location exploration, Animated scenes and landmarks, Explorer and Kid modes, Offline functionality, User-submitted feature ideas

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

**In-app purchases:** none


## Frequently asked questions

### Is By free?

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

### Is AstroShort free?

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

### Do By or AstroShort have ads?

Neither By nor AstroShort shows ads.

### Which is updated more often, By or AstroShort?

By ships an update fortnightly, and AstroShort every 3 weeks. Most recently, By was updated on October 31, 2026 and AstroShort 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.*