# JustIN Mobile vs TuLlave Smart Lock

The clearest difference is review sentiment: TuLlave Smart Lock at 63% against JustIN Mobile's 25%. TuLlave Smart Lock also leads on rating (5.0 vs 4.6) and iOS requirement (9.0 vs 15.6). JustIN Mobile's advantage is ratings volume (5.1K vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

TuLlave Smart Lock holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: JustIN Mobile has 5.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of JustIN Mobile's written reviews are positive against 63% of TuLlave Smart Lock's.

JustIN Mobile ships an update every 6 weeks, TuLlave Smart Lock every 2 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | JustIN Mobile | TuLlave Smart Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5.1K ratings)](https://appshunter.io/ios/app/justin-mobile/id960998088/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tullave-smart-lock/id1463757987/reviews)** |
| Number of ratings | **5.1K** | 1 |
| Positive reviews | 25.1% of reviews | **62.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 37 MB | 111 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Salto Systems](https://appshunter.io/developer/893918231) | [Algarsys Soluciones Móviles](https://appshunter.io/developer/441761712) |

## 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


### TuLlave Smart Lock

[App page](https://appshunter.io/ios/app/tullave-smart-lock/id1463757987)

This app provides a smart solution for remotely opening electronic locks across various locations like vacation homes, offices, and lockers. It allows owners to grant temporary, permanent, or single-use access permissions to guests, who can then unlock doors via the app or a numeric code.

**Highlights:** Remote lock opening, Access permission management, Temporary access, Permanent access, Single-use access, Numeric code entry

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JustIN Mobile free?

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

### Is TuLlave Smart Lock free?

TuLlave Smart Lock is free to download, with no in-app purchases.

### Which has better reviews, JustIN Mobile or TuLlave Smart Lock?

TuLlave Smart Lock is rated higher. JustIN Mobile averages 4.6 out of 5 from 5.1K ratings, while TuLlave Smart Lock averages 5.0 from 1 ratings.

### Do JustIN Mobile or TuLlave Smart Lock have ads?

Neither JustIN Mobile nor TuLlave Smart Lock shows ads.

### Which is updated more often, JustIN Mobile or TuLlave Smart Lock?

JustIN Mobile ships an update every 6 weeks, and TuLlave Smart Lock every 2 months. Most recently, JustIN Mobile was updated on October 24, 2026 and TuLlave Smart Lock on October 13, 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.*