Comparison

JustIN Mobile vs TuLlave Smart Lock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

JustIN Mobile

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
Read full description

Salto JustIN Mobile access technology simplifies the users and dynamic key management process of users in a building. Receiving a key generated electronically on their smartphone, previously identified and authorized by the system, they can unlock the assigned doors from the JustIN Mobile app by selecting the appropriate key. Technologically cutting-edge, JustIN Mobile means the end of lost key hassles, expenses and waste. Plus, the technology isn't limited to one building or hotel room - it can also be used by staff and users on multiple sites for any kind of access types like main entrance doors, elevators, car park barriers, meeting rooms, etc. Combined with user-convenient features such as user friendly design or multi key possibilities to use the same app in different buildings, locations and for different applications, JustIN Mobile access control technology simplifies card issuing, fob and traditional PIN code management that can be lost, forgotten or broken by offering flexibility for diverse applications. People do not forget their phones as they forget their keys and, if lost, they are replaced rapidly. This is a major benefit for administrators, clients, and users. About Salto Systems: Salto is a leading global access solutions provider, part of the SALTO WECOSYSTEM. We develop pioneering facility access, identity management and electronic locking technology that ensures seamless, reliable and secure experiences. Through close customer relationships and innovative solutions, our global team of experts create timeless and meaningful products that positively impact people and planet. Stay connected with @saltosystems Salto Systems never ceases to improve! Stay tuned to our social networks to discover the features included in the new version of our JustIN Mobile app. No more hard decisions to make! You can now save multiple digital keys and access different premises with the new version of JustIN. @saltosystems #JustIN #AccessControl

About

TuLlave Smart Lock

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
Read full description

La App TuLlave ofrece una solución inteligente para la apertura remota de cerraduras electrónicas en múltiples ámbitos: viviendas vacacionales, oficinas, puertas de garaje, taquillas de vestuarios, etc Para las viviendas vacaciones , la app Mi Llave ofrece una solución integral para los dueños de las viviendas donde podrán dar de alta permisos: temporales, permanentes o de un solo uso. Así los huéspedes abrirán la puerta directamente desde la app descargada en su móvil o bien introduciendo un código numérico. De este modo llevar un control total sobre su vivienda y controlar los accesos es muy sencillo y útil. Para más información consultar la web: www.millaveonline.com o través del email info@millaveonline.com

Screenshots

JustIN Mobile4 screens
TuLlave Smart Lock3 screens

Verdict

The call

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 (5K vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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 5K 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.

UpkeepUpdate frequency

JustIN Mobile ships an update every 6 weeks, TuLlave Smart Lock every 2 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
JustIN Mobile versus TuLlave Smart Lock: the parameters behind the verdict, then further details
ParameterJustIN MobileTuLlave Smart Lock
PriceFreeFree
Rating4.6 (5K ratings)5.0 (1 ratings) — better
Positive reviews25.1% of reviews62.5% of reviews — better
Number of ratings5K — better1
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod, Apple Watch — better
Requires iOS15.69.0 — better
Further details — not scored
Size37 MB111 MB
Age rating4+4+
DeveloperSalto SystemsAlgarsys Soluciones Móviles

Customer experience

JustIN Mobile

All ratings4,266 ratings
Positive90.4%
Neutral2.5%
Negative7.2%
Written reviews291 reviews
Positive25.1%
Neutral14.8%
Negative60.1%

TuLlave Smart Lock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive62.5%
Neutral0.0%
Negative37.5%

Bugs and requests

JustIN Mobile

Reported bugs

3 issues
  • Keys randomly expire
  • Widget not working on latest iOS
  • Verification codes not received

Requested features

3 requests
  • Add Apple Watch app
  • Integrate with Apple Wallet
  • Improve guest access sharing

TuLlave Smart Lock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

JustIN Mobile

No in-app purchases

None

TuLlave Smart Lock

No in-app purchases

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 5K 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 20, 2026 and TuLlave Smart Lock on October 13, 2026.

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