# NewtonDV vs Sternbild Trainer

The clearest difference is price: Sternbild Trainer at Free against NewtonDV's $5.99. Sternbild Trainer also leads on update cadence (fortnightly vs every 5 months) and device support (3 vs 1). NewtonDV's advantage is review sentiment (67% vs 50%). On ads and in-app purchases there is nothing between them.

Sternbild Trainer is free to download; NewtonDV costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NewtonDV ships an update every 5 months, Sternbild Trainer fortnightly. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NewtonDV | Sternbild Trainer |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sternbild-trainer/id1611783468/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 31 MB | 34 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Roland Wejner](https://appshunter.io/developer/601946624) | [Marc Herda](https://appshunter.io/developer/556324568) |

## What reviewers say

### NewtonDV

[App page](https://appshunter.io/ios/app/newtondv/id717653395)

Analyze video footage to understand physics principles like kinematics. Record your own videos or import existing ones to study motion, forces, and velocity with detailed data visualization.

**Highlights:** Record HD and slow-motion videos, Import videos from various sources, Rotatable coordinate system, Display measurement data in tables and diagrams, Export data as CSV and images, Create time strips and stroboscopic images, Light and dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Sternbild Trainer

[App page](https://appshunter.io/ios/app/sternbild-trainer/id1611783468)

Learn to identify stars and constellations with interactive quizzes. This app helps you map celestial bodies, align telescopes, and explore the night sky, even offline.

**Highlights:** Star and constellation identification, Interactive quizzes, North and South sky coverage, Telescope alignment assistance, Offline functionality, Star hopping guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NewtonDV free?

NewtonDV costs $5.99, with no in-app purchases.

### Is Sternbild Trainer free?

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

### Do NewtonDV or Sternbild Trainer have ads?

Neither NewtonDV nor Sternbild Trainer shows ads.

### Which is updated more often, NewtonDV or Sternbild Trainer?

NewtonDV ships an update every 5 months, and Sternbild Trainer fortnightly. Most recently, NewtonDV was updated on October 7, 2026 and Sternbild Trainer on October 11, 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.*