Comparison

VM 4000 vs stratus

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

Head to head
About

VM 4000

Features
Read full description

The VM 4000 app is an extension of VM 4000, which allows you to take some of the features of VM 4000 on the go.

About

stratus

Features
Read full description

stratus-io - Time and Attendance manages workforce, school, and event check-in using RFID, NFC smart badges and barcodes. Use mobile on-the-go and stationary kiosks. stratus-io integrates with payroll software, learning management systems, access control systems, and database managers. Use stratus-io’s powerful time and attendance functionality to cover a wide range of applications, including: Emergency Headcount, Mustering, Rally Point Safety Training Attendance & Compliance Visitor Management Roster Management Meeting Attendance Ridership and Benefits Usage Monitoring Hours Tracking/Time Clock Access Control Flexible Check-In Modes stratus-io has many check-in types that you can adapt to fit any check-in tracking station. Open Check-In: Continuously track scans at entry points Open Check-In/Check-Out: Track β€œcheck-in” and β€œcheck-out” scans at entry/exit points Checkpoint: Track check-in/out at events for all individuals or assigned groups Flex Check-In: Prompt individuals at scan to self-select an event to check-in to Real-Time Validation Improve access security by assigning your roster members to designated events on your calendar and verifying that only those members check-in to that event. For enhanced control, add photo identification and match each scanned badge back to the individual checking in. Automatic Updates With the stratus-io - Time and Attendance app, the data you collect is automatically synced to your account when connected to the internet. Get instant access to lists of members that have checked-in to an area in real-time and always have up-to-date reports on your workforce, school, or events. When an internet connection is not available, stratus-io continues to collect and store scans and will automatically update your data when returned to a network. Customizable Features stratus-io can be modified for different degrees of customization and control at both the organization and individual user levels. Administrators can manage what events users have access to, create custom backgrounds and messages for each user, and create custom, saved reports and subscribe to frequently used reports. Advanced Reporting With extensive search and filter options, you can create detailed reports with your collected data in order to gain insight into your organization. Track individuals or groups, narrow by date or time frame, view by location, and more. You can save reports you pull frequently and have them automatically send up-to-date data to your inbox on a daily, weekly, monthly, and even hourly basis. Visitor Badge Printing Visitor kiosk option easily and quickly prints visitor badges right from the iPad using a fast, small, convenient printer.

Screenshots

VM 40004 screens
stratus4 screens

Verdict

The call

The clearest difference is update cadence: stratus at every 9 days against VM 4000's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

VM 4000 ships an update every 3 months, stratus every 9 days. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

Scorecard1 real difference Β· 5 level
VM 4000 versus stratus: the parameters behind the verdict, then further details
ParameterVM 4000stratus
PriceFreeFree
Update frequencyEvery 3 monthsEvery 9 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.015.6 β€” better
Further details β€” not scored
Size27 MB28 MB
Age rating4+4+
DeveloperTrendwareSerialio Ltd.

In-app purchases

None

VM 4000

No in-app purchases

None

stratus

No in-app purchases

Questions

Is VM 4000 free?
VM 4000 is free to download, with no in-app purchases.
Is stratus free?
stratus is free to download, with no in-app purchases.
Do VM 4000 or stratus have ads?
Neither VM 4000 nor stratus shows ads.
Which is updated more often, VM 4000 or stratus?
VM 4000 ships an update every 3 months, and stratus every 9 days. Most recently, VM 4000 was updated on October 29, 2026 and stratus on October 26, 2026.

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