# iD Scan by Slope vs BIGStudio3

iD Scan by Slope and BIGStudio3 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.

iD Scan by Slope ships an update every 4 months, BIGStudio3 every 3 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iD Scan by Slope | BIGStudio3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 43 MB | 108 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Slope srl](https://appshunter.io/developer/1282049757) | [BIG srl](https://appshunter.io/developer/1470366735) |

## What reviewers say

### iD Scan by Slope

[App page](https://appshunter.io/ios/app/id-scan-by-slope/id1499483621)

This app transforms your smartphone into a portable ID scanner, making guest check-ins faster and more efficient. It eliminates manual data entry, providing instant and accurate information retrieval. Ideal for front desk operations, it simplifies the process of reading identification documents.

**Highlights:** Scan identification documents, Reduce guest check-in time, Eliminate manual data entry, Intuitive and easy-to-use design, Instant data detection, Compatible with phones and tablets

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

**In-app purchases:** none


### BIGStudio3

[App page](https://appshunter.io/ios/app/bigstudio3/id1523638205)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iD Scan by Slope free?

iD Scan by Slope is free to download, with no in-app purchases.

### Is BIGStudio3 free?

BIGStudio3 is free to download, with no in-app purchases.

### Do iD Scan by Slope or BIGStudio3 have ads?

Neither iD Scan by Slope nor BIGStudio3 shows ads.

### Which is updated more often, iD Scan by Slope or BIGStudio3?

iD Scan by Slope ships an update every 4 months, and BIGStudio3 every 3 months. Most recently, iD Scan by Slope was updated on October 15, 2026 and BIGStudio3 on October 24, 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.*