# Gravity by Vaonis vs LingvaSfero

The clearest difference is ads: Gravity by Vaonis at none against LingvaSfero's shown. Gravity by Vaonis also leads on iOS requirement (16.0 vs 18.5). LingvaSfero's advantage is update cadence (daily vs every 2 months). On price, 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.

Gravity by Vaonis ships an update every 2 months, LingvaSfero daily. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Gravity by Vaonis | LingvaSfero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (50 ratings)](https://appshunter.io/ios/app/gravity-by-vaonis/id6469513708/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 47.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 331 MB | 59 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Vaonis](https://appshunter.io/developer/1369139518) | [Alexis Aneas](https://appshunter.io/developer/6810383160) |

## What reviewers say

### Gravity by Vaonis

[App page](https://appshunter.io/ios/app/gravity-by-vaonis/id6469513708)

Transform your smartphone into a smart telescope to explore the cosmos. Capture stunning images of galaxies, nebulae, and star clusters with advanced image stacking. Observe the Sun and Moon with dedicated modes and educational content.

**Highlights:** Smartphone as smart telescope, 25x optical zoom, Live image stacking, Sun and Moon observation, Deep sky object photography, Landscape and wildlife photography, Educational cosmic content

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly interface
- 💡 Great for family use
- 🚀 Easy to use for beginners
- ✨ Beautiful UI
- 🔭 Works well with Hestia telescope

**What reviewers complain about**

- 🔒 Requires full photo library access
- 🐛 App doesn't locate anything
- 🐛 Black screen issue
- 🐛 Latest update broke tracking
- 🐛 Low photo quality (1MP, auto-cropped)

**Reported bugs**

- App doesn't locate anything
- QR code not working
- Black screen when trying to find objects
- Latest update broke deep sky tracking on iOS
- App is slow and doesn't track planets/stars

**Requested features**

- Add possibility to use iPhone telephoto lens
- Add possibility to trigger photo with Apple Watch
- Add constellation guide
- Allow remote shutter control
- Add a 2-second timer for photos


### LingvaSfero

[App page](https://appshunter.io/ios/app/lingvasfero/id6810383158)

**In-app purchases:** none


## Frequently asked questions

### Is Gravity by Vaonis free?

Gravity by Vaonis is free to download, with no in-app purchases.

### Is LingvaSfero free?

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

### Do Gravity by Vaonis or LingvaSfero have ads?

LingvaSfero shows ads; Gravity by Vaonis does not.

### Which is updated more often, Gravity by Vaonis or LingvaSfero?

Gravity by Vaonis ships an update every 2 months, and LingvaSfero daily. Most recently, Gravity by Vaonis was updated on October 20, 2026 and LingvaSfero on October 26, 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.*