JustIN Mobile vs SmartFlyer CORE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
SmartFlyer CORE
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Welcome to the official event app portal for SmartFlyer CORE, an annual agency-wide summit presented by SmartFlyer. We are thrilled to welcome our guests to this our annual celebration of Collaboration, Originality, Relationships and Education between our SmartFlyer community and global partners. Features include: • Your schedule, on-demand. Know when to be where throughout the event, from your personalized Morning Study Hall tracks to Breakout Sessions and more. • Get to know your fellow event attendees, from Smarties to Partners. • Access a full list of speakers and talent across our various activations.
Screenshots
Verdict
The clearest difference is update cadence: JustIN Mobile at every 6 weeks against SmartFlyer CORE's every 12 months. SmartFlyer CORE's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support 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
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, SmartFlyer CORE every 12 months. The most recent releases landed on October 2, 2026 and September 10, 2026 respectively.
| Parameter | JustIN Mobile | SmartFlyer CORE |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (4.3K ratings) — better | — |
| Positive reviews | 24.8% of reviews | — |
| Number of ratings | 4.3K — better | — |
| Update frequency | Every 6 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Salto Systems | THE SMART FLYER 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
SmartFlyer CORE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
JustIN Mobile
No in-app purchases
SmartFlyer CORE
No in-app purchases
Questions
Is JustIN Mobile free?
Is SmartFlyer CORE free?
Do JustIN Mobile or SmartFlyer CORE have ads?
Which is updated more often, JustIN Mobile or SmartFlyer CORE?
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