# Stride Lite 3D vs ParoScan 3Di

The clearest difference is in-app purchases: Stride Lite 3D at none against ParoScan 3Di's 1. Stride Lite 3D also leads on device support (3 vs 1). ParoScan 3Di's advantage is update cadence (every 9 days vs every 4 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. ParoScan 3Di sells 1 in-app purchase, starting at $40.99 per month. Stride Lite 3D asks for nothing beyond the download.

Stride Lite 3D ships an update every 4 months, ParoScan 3Di every 9 days. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Stride Lite 3D | ParoScan 3Di |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Size | 133 MB | 82 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 17+ |
| Developer | [TechMed 3D Inc.](https://appshunter.io/developer/964196047) | [Paromed GmbH & Co KG](https://appshunter.io/developer/1501299173) |

## What reviewers say

### Stride Lite 3D

[App page](https://appshunter.io/ios/app/stride-lite-3d/id1471554468)

**Features:** macOS Compatibility

**In-app purchases:** none


### ParoScan 3Di

[App page](https://appshunter.io/ios/app/paroscan-3di/id1501299174)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ParoScan Monthly Subscription | $40.99 | per month |


## Frequently asked questions

### Is Stride Lite 3D free?

Stride Lite 3D is free to download, with no in-app purchases.

### Is ParoScan 3Di free?

ParoScan 3Di is free to download, with in-app purchases available.

### Do Stride Lite 3D or ParoScan 3Di have ads?

Neither Stride Lite 3D nor ParoScan 3Di shows ads.

### Which is updated more often, Stride Lite 3D or ParoScan 3Di?

Stride Lite 3D ships an update every 4 months, and ParoScan 3Di every 9 days. Most recently, Stride Lite 3D was updated on June 1, 2026 and ParoScan 3Di on September 8, 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.*