# Sci vs Impero Backdrop

Sci and Impero Backdrop are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sci ships an update every 6 weeks, Impero Backdrop every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sci | Impero Backdrop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 86 MB | 63 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) | [Impero Solutions Ltd](https://appshunter.io/developer/427812094) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-lab-primary/id1387072836)

**In-app purchases:** none


### Impero Backdrop

[App page](https://appshunter.io/ios/app/impero-backdrop/id1527399406)

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is Impero Backdrop free?

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

### Do Sci or Impero Backdrop have ads?

Neither Sci nor Impero Backdrop shows ads.

### Which is updated more often, Sci or Impero Backdrop?

Sci ships an update every 6 weeks, and Impero Backdrop every 2 months. Most recently, Sci was updated on October 26, 2026 and Impero Backdrop 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.*