# JustIN Mobile vs Primus Laundry

The clearest difference is rating: JustIN Mobile at 4.6 against Primus Laundry's 3.7. JustIN Mobile also leads on ratings volume (5K vs 3). Primus Laundry's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: JustIN Mobile has 5K ratings behind it against 3, so its average is the more settled of the two.

JustIN Mobile ships an update every 6 weeks, Primus Laundry every 3 weeks. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | JustIN Mobile | Primus Laundry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5K ratings)](https://appshunter.io/ios/app/justin-mobile/id960998088/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/primus-laundry/id1500946094/reviews) |
| Number of ratings | **5K** | 3 |
| Positive reviews | 25.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 37 MB | 46 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Salto Systems](https://appshunter.io/developer/893918231) | [Alliance Laundry Systems LLC](https://appshunter.io/developer/1076986739) |

## 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


### Primus Laundry

[App page](https://appshunter.io/ios/app/primus-laundry/id1500946094)

Manage laundry services directly from your smartphone. This app allows you to vend Primus machines at participating locations globally. Start doing your laundry conveniently from your pocket.

**Highlights:** Remote machine vending, Global participating locations, Pocket convenience, Laundry management

**Features:** Apple Wallet, 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 Primus Laundry free?

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

### Which has better reviews, JustIN Mobile or Primus Laundry?

JustIN Mobile is rated higher. JustIN Mobile averages 4.6 out of 5 from 5K ratings, while Primus Laundry averages 3.7 from 3 ratings.

### Do JustIN Mobile or Primus Laundry have ads?

Neither JustIN Mobile nor Primus Laundry shows ads.

### Which is updated more often, JustIN Mobile or Primus Laundry?

JustIN Mobile ships an update every 6 weeks, and Primus Laundry every 3 weeks. Most recently, JustIN Mobile was updated on October 20, 2026 and Primus Laundry on October 14, 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.*