# Mediaspace Unipd vs Sift Science

The clearest difference is in-app purchases: Mediaspace Unipd at none against Sift Science's 2. Mediaspace Unipd also leads on iOS requirement (11.0 vs 18.6). Sift Science's advantage is update cadence (every 2 days vs every 22 months). On price, ads and device support there is nothing between them.

Both are free to download. Sift Science sells 2 in-app purchases, starting at $4.99 per month. Mediaspace Unipd asks for nothing beyond the download.

Mediaspace Unipd ships an update every 22 months, Sift Science every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mediaspace Unipd | Sift Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 days** |
| Size | 79 MB | 83 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kaltura, Inc.](https://appshunter.io/developer/593927569) | [Shobel LLC](https://appshunter.io/developer/1298270459) |

## What reviewers say

### Mediaspace Unipd

[App page](https://appshunter.io/ios/app/mediaspace-unipd/id1502902273)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sift Science

[App page](https://appshunter.io/ios/app/sift-science/id6767901370)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sift Premium Monthly | $4.99 | per month |
| Sift Premium | $39.99 | per year |


## Frequently asked questions

### Is Mediaspace Unipd free?

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

### Is Sift Science free?

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

### Do Mediaspace Unipd or Sift Science have ads?

Neither Mediaspace Unipd nor Sift Science shows ads.

### Which is updated more often, Mediaspace Unipd or Sift Science?

Mediaspace Unipd ships an update every 22 months, and Sift Science every 2 days. Most recently, Mediaspace Unipd was updated on November 3, 2026 and Sift Science on October 31, 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.*