# SEW PPK AR vs MARVINI

The clearest difference is ads: SEW PPK AR at none against MARVINI's shown. SEW PPK AR also leads on update cadence (fortnightly vs every 6 weeks) and iOS requirement (11.0 vs 15.0). 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.

SEW PPK AR ships an update fortnightly, MARVINI every 6 weeks. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SEW PPK AR | MARVINI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sew-ppk-ar/id1458916774/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 534 MB | 73 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Signia Studios](https://appshunter.io/developer/1289856621) | [VINICI INDUSTRIA E COMERCIO DE PLASTICOS EIRELI](https://appshunter.io/developer/1679403083) |

## What reviewers say

### SEW PPK AR

[App page](https://appshunter.io/ios/app/sew-ppk-ar/id1458916774)

Explore a planetarium technology in Augmented Reality. Visualize the PPK gearbox's operation, access manuals, and share photos of this immersive experience.

**Highlights:** Augmented reality planetarium technology, Visualize PPK gearbox operation, Access product manuals, Share photos of the experience

**Features:** macOS Compatibility

**In-app purchases:** none


### MARVINI

[App page](https://appshunter.io/ios/app/marvini/id6446857369)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SEW PPK AR free?

SEW PPK AR is free to download, with no in-app purchases.

### Is MARVINI free?

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

### Do SEW PPK AR or MARVINI have ads?

MARVINI shows ads; SEW PPK AR does not.

### Which is updated more often, SEW PPK AR or MARVINI?

SEW PPK AR ships an update fortnightly, and MARVINI every 6 weeks. Most recently, SEW PPK AR was updated on October 21, 2026 and MARVINI on October 30, 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.*