# MultiVideo vs STEM Line Builder

The clearest difference is in-app purchases: STEM Line Builder at none against MultiVideo's 6. STEM Line Builder also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. MultiVideo sells 6 in-app purchases, starting at $0.99 per month. STEM Line Builder asks for nothing beyond the download.

MultiVideo ships an update every 3 weeks, STEM Line Builder every 2 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MultiVideo | STEM Line Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (47 ratings)](https://appshunter.io/ios/app/multivideo-sidebyside-overlap/id651397153/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 39.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 118 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masakiyo Tachikawa](https://appshunter.io/developer/621537751) | [Ryo Ogasawara](https://appshunter.io/developer/6793957355) |

## What reviewers say

### MultiVideo

[App page](https://appshunter.io/ios/app/multivideo-sidebyside-overlap/id651397153)

Play and edit two videos simultaneously. Arrange them side-by-side or stacked, adjust their size and position, and control playback speed. Save your creations to your camera roll.

**Highlights:** Play two videos simultaneously, Side-by-side or stacked video arrangement, Adjustable video size and position, Variable playback speed (slow, double, loop), Specify separate playback start positions, Save edited videos to camera roll

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide ad - 1month | $0.99 | per month |
| Save to camera roll - 1month | $2.49 | per month |
| Hide ad - 12months | $5.49 | per year |
| Save to camera roll - 3months | $6.49 | per 3 months |
| Save to camera roll - 6months | $10.49 | per 6 months |
| Save to camera roll - 12months | $15.99 | per year |


### STEM Line Builder

[App page](https://appshunter.io/ios/app/stem-line-builder-longboard/id6793957353)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MultiVideo free?

MultiVideo is free to download, with in-app purchases available.

### Is STEM Line Builder free?

STEM Line Builder is free to download, with no in-app purchases.

### Do MultiVideo or STEM Line Builder have ads?

MultiVideo shows ads; STEM Line Builder does not.

### Which is updated more often, MultiVideo or STEM Line Builder?

MultiVideo ships an update every 3 weeks, and STEM Line Builder every 2 weeks. Most recently, MultiVideo was updated on October 23, 2026 and STEM Line Builder on October 25, 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.*