# GraviTrax Power vs EventVerify

The clearest difference is ads: GraviTrax Power at none against EventVerify's shown. GraviTrax Power also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, 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.

GraviTrax Power ships an update every 10 months, EventVerify every 7 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | GraviTrax Power | EventVerify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/gravitrax-power/id1621684650/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 92 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ravensburger Verlag GmbH](https://appshunter.io/developer/1505283467) | [jacek kaluzny](https://appshunter.io/developer/1437107104) |

## What reviewers say

### GraviTrax Power

[App page](https://appshunter.io/ios/app/gravitrax-power/id1621684650)

Control your marble runs digitally with this app. Connect to POWER components to remotely control, program, and add sound effects to your creations. It offers a playful introduction to programming and enhances marble run gameplay.

**Highlights:** Digital control of marble runs, Programming functions, Remote control capabilities, Integrated stopwatch, Sound effects, Playful introduction to programming

**In-app purchases:** none


### EventVerify

[App page](https://appshunter.io/ios/app/eventverify/id6472855919)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GraviTrax Power free?

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

### Is EventVerify free?

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

### Do GraviTrax Power or EventVerify have ads?

EventVerify shows ads; GraviTrax Power does not.

### Which is updated more often, GraviTrax Power or EventVerify?

GraviTrax Power ships an update every 10 months, and EventVerify every 7 months. Most recently, GraviTrax Power was updated on October 22, 2026 and EventVerify on October 20, 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.*