# ViGravitatis vs Astris

The clearest difference is update cadence: Astris at every 3 months against ViGravitatis's every 47 months. 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.

ViGravitatis ships an update every 47 months, Astris every 3 months. The most recent releases landed on September 8, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | ViGravitatis | Astris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 3 months** |
| Size | 34 MB | 21 MB |
| Requires iOS | **14.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artyom Rudakov](https://appshunter.io/developer/1500000619) | [ISTITUTI EDMONDO DE AMICIS SRL](https://appshunter.io/developer/1219261025) |

## What reviewers say

### ViGravitatis

[App page](https://appshunter.io/ios/app/vigravitatis/id1500181187)

**In-app purchases:** none


### Astris

[App page](https://appshunter.io/ios/app/astris/id6454899891)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ViGravitatis free?

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

### Is Astris free?

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

### Do ViGravitatis or Astris have ads?

Neither ViGravitatis nor Astris shows ads.

### Which is updated more often, ViGravitatis or Astris?

ViGravitatis ships an update every 47 months, and Astris every 3 months. Most recently, ViGravitatis was updated on September 8, 2026 and Astris on May 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.*