# JustIN Mobile vs Fast Barcode Scan & Generator

The clearest difference is update cadence: Fast Barcode Scan & Generator at every 3 weeks against JustIN Mobile's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

JustIN Mobile ships an update every 6 weeks, Fast Barcode Scan & Generator every 3 weeks. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | JustIN Mobile | Fast Barcode Scan & Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5K ratings)](https://appshunter.io/ios/app/justin-mobile/id960998088/reviews)** | — |
| Number of ratings | **5K** | — |
| Positive reviews | 25.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 21 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Salto Systems](https://appshunter.io/developer/893918231) | [M8M Labs](https://appshunter.io/developer/6802747636) |

## What reviewers say

### JustIN Mobile

[App page](https://appshunter.io/ios/app/justin-mobile/id960998088)

This app allows users to manage building access using their smartphone. It provides digital keys for doors, elevators, and car park barriers, eliminating the need for physical keys and simplifying access control across multiple locations.

**Highlights:** Smartphone-based digital keys, Manage access to doors, elevators, barriers, Multi-site and multi-application support, Eliminates lost key issues, User-friendly interface, Store multiple digital keys

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- ⭐ Works great
- 🔑 Convenient digital key
- 🔍 Helpful widget feature

**What reviewers complain about**

- 🔌 Unreliable connectivity
- 🔒 Frequent lock-outs
- ⏱️ Slow performance
- 📱 No Apple Watch support

**Reported bugs**

- Keys randomly expire
- Widget not working on latest iOS
- Verification codes not received

**Requested features**

- Add Apple Watch app
- Integrate with Apple Wallet
- Improve guest access sharing


### Fast Barcode Scan & Generator

[App page](https://appshunter.io/ios/app/fast-barcode-scan-and-generator/id6802747634)

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

**In-app purchases:** none


## Frequently asked questions

### Is JustIN Mobile free?

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

### Is Fast Barcode Scan & Generator free?

Fast Barcode Scan & Generator is free to download, with no in-app purchases.

### Do JustIN Mobile or Fast Barcode Scan & Generator have ads?

Neither JustIN Mobile nor Fast Barcode Scan & Generator shows ads.

### Which is updated more often, JustIN Mobile or Fast Barcode Scan & Generator?

JustIN Mobile ships an update every 6 weeks, and Fast Barcode Scan & Generator every 3 weeks. Most recently, JustIN Mobile was updated on October 20, 2026 and Fast Barcode Scan & Generator on October 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.*