Comparison

JustIN Mobile vs Preserve by MultiSync

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

Preserve by MultiSync

This tool assists transplant clinicians and specialists in selecting the optimal organ preservation method and device. It provides evidence-based recommendations, calculates donor risk scores, and offers outcome predictions, all while ensuring data privacy and offline functionality.

Highlights
  • Organ preservation method recommendations
  • Preservation device suggestions
  • Donor risk score calculation
  • Outcome predictions
  • Offline functionality
  • Pseudonymous assessment saving
Features
Read full description

MultiSync Preserve is an evidence-based decision-support tool for organ preservation, built for transplant clinicians, organ procurement coordinators, and perfusion specialists. Enter a few donor and clinical parameters and Preserve recommends the most appropriate preservation method and device — grounded in published, peer-reviewed clinical evidence. — WHAT IT DOES — • Covers four organs: kidney, liver, heart, and lung • Recommends a preservation method (Static Cold Storage, HMP, HOPE, NMP, EVLP, OCS) with a primary and alternative option • Suggests specific preservation devices with FDA-approval status and cost ranges • Calculates a donor risk score and organ-specific outcome predictions (DGF, EAD, PGD) plus 1- and 3-year graft-survival estimates • Explains the clinical reasoning behind every recommendation • Surfaces relevant warnings (e.g., extended cold-ischemia time, marginal donor criteria) • Cites the underlying trials and studies — Moers (NEJM), Nasralla (Nature), and more — BUILT FOR THE FIELD — • A guided, four-step workflow: organ → donor info → clinical parameters → results • Save assessments to history under a pseudonym — no patient identifiers are stored • Works offline; assessments sync securely when you're back online — PRIVACY & SECURITY — • Face ID / passcode lock with configurable auto-lock • On-device encryption of saved data • No patient-identifying information is collected or required — IMPORTANT — MultiSync Preserve is a decision-support and educational reference tool for qualified medical professionals. It does not provide a diagnosis and is not a substitute for independent clinical judgment. Final preservation decisions must be made by qualified medical professionals considering all relevant clinical factors for each individual case. Learn more at multisync.io.

Screenshots

JustIN Mobile4 screens
Preserve by MultiSync4 screens

Verdict

The call

The clearest difference is rating: Preserve by MultiSync at 5.0 against JustIN Mobile's 4.6. JustIN Mobile's advantage is ratings volume (5.2K vs 1) and iOS requirement (15.6 vs 17.0). 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

Preserve by MultiSync holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: JustIN Mobile has 5.2K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
JustIN Mobile versus Preserve by MultiSync: the parameters behind the verdict, then further details
ParameterJustIN MobilePreserve by MultiSync
PriceFreeFree
Rating4.6 (5.2K ratings)5.0 (1 ratings) — better
Positive reviews25.1% of reviews—
Number of ratings5.2K — better1
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size37 MB1 MB
Age rating4+4+
DeveloperSalto SystemsMultiSync Inc.

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

Preserve by MultiSync

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

JustIN Mobile

No in-app purchases

None

Preserve by MultiSync

No in-app purchases

Questions

Is JustIN Mobile free?
JustIN Mobile is free to download, with no in-app purchases.
Is Preserve by MultiSync free?
Preserve by MultiSync is free to download, with no in-app purchases.
Which has better reviews, JustIN Mobile or Preserve by MultiSync?
Preserve by MultiSync is rated higher. JustIN Mobile averages 4.6 out of 5 from 5.2K ratings, while Preserve by MultiSync averages 5.0 from 1 ratings.
Do JustIN Mobile or Preserve by MultiSync have ads?
Neither JustIN Mobile nor Preserve by MultiSync shows ads.
Which is updated more often, JustIN Mobile or Preserve by MultiSync?
JustIN Mobile ships an update every 6 weeks, and Preserve by MultiSync every 6 weeks. Most recently, JustIN Mobile was updated on November 1, 2026 and Preserve by MultiSync on October 31, 2026.

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