Comparison

SmartTask Engage vs Optimise Flex

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

Head to head
About

SmartTask Engage

This workforce management solution streamlines employee scheduling and attendance tracking. It ensures compliance by comparing planned activities with time captured via NFC scans or phone calls, offering real-time insights and escalating missed events.

Highlights
  • Automated Rostering and Scheduling
  • Time & Proof of Attendance
  • Lone Worker Monitoring
  • Real-Time Employee Monitoring
  • Electronic Timesheets
  • Flexible Electronic Forms
Read full description

An employee scheduling and workforce management solution. SmartTask Engage helps ensure workforce compliance by comparing planned activities to time and attendance captured via NFC tag scans or IVR telephone calls, providing real-time management information and even initiating management escalation if a scheduled event is missed. SmartTask customers benefit from a significant reduction in administrative time and costs โ€“ with greater operational control, performance and higher quality service delivery. SmartTask Engage is typically used in the following workforces:- โ€ข Security Guard Tours/Patrols โ€ข Mobile Patrols/ Alarm Response โ€ข Event Management โ€ข Cleaning Services โ€ข Facilities Management With 20+ years experience, SmartTask has a strong track record of creating leading edge, UK developed, supported and focused, mobile workforce solutions. SmartTask, is an industry-leading employee scheduling and workforce management solution designed as a result of feedback from hundreds of UK businesses. SmartTask helps organisations to radically improve the customer experience and win more business. https://www.smarttask.co.uk/ SmartTask is highly scalable and suitable for use by owner-manager companies and organisations with 1000s of employees providing commercial and domestic services. โ€ข UK Developed, Maintained, Supported And Focused โ€ข Automated Rostering And Scheduling โ€ข Time & Proof Of Attendance โ€ข Check Calls, Shift Reminders & Alerts โ€ข Lone Worker Monitoring โ€ข Mobile Patrols, Alarm Response, Key Holding โ€ข Static Patrols, Checkpoint Scanning โ€ข Events Management โ€ข GPS Ringfencing โ€ข Holidays & Sickness Management โ€ข Electronic Site Logs โ€ข Flexible Electronic Forms โ€ข Timesheet Signoff Management โ€ข Payroll & Invoice Integrations โ€ข Onboarding / Vetting โ€ข Real-Time Employee Monitoring โ€ข Customer Portal โ€ข Fully Integrated Modules โ€ข Automate scheduling, shifts and rosters โ€“ send to staff mobile devices. โ€ข Proof of attendance - Capture attendance, clocking in/out details. โ€ข Receive alerts for no shows and reschedule accordingly. โ€ข Duty of Care/Lone Worker โ€“ meet requirements with check calls, and alerts for missed calls. โ€ข Holiday management - employees can view and request holiday via the app, which managers can authorise. No paper forms. โ€ข Payroll integration - hours worked transferred seamlessly to payroll, for fast accurate calculation. โ€ข Pay-as-you-Go - for managing occasional and seasonal workers. โ€ข Electronic Timesheets - populate invoices, significantly reducing queries. โ€ข Onboarding & Vetting/Screening - ensuring all regulatory and security requirements are met. โ€ข SmartTask app - provides details of shifts, runsheets and alarm responses, locks/unlocks and site visits with all the information needed to complete each job. โ€ข BS7984-3 2020 - certified keyholding services and SIA audits. โ€ข SmartForms โ€“ replacing manual, paper-based processes, tailorable for any requirement. โ€ข Events Security โ€“ specialist capabilities for managing seasonal/temporary workers, zones and locations. โ€ข Customer Portal โ€“ direct access to details of services provided. โ€ข Dashboards & location data - real-time visibility, enabling a fast response in any situation. โ€ข Reporting & Insights - deep insights to enable smart business decisions. The company has ISO27001 accreditation and is a Certified Carbon Neutral business and is based in Buckinghamshire UK. SmartTask manages deployments across the UK and beyond and is responsible for millions of transactions each month.

About

Optimise Flex

Manage your workload on the go with this frontline experience application. Easily find and pick up extra shifts to optimize your schedule. Designed for efficient task management for service professionals.

Highlights
  • Duty Picker for extra shifts
  • Workload management
  • On-the-move usability
  • Customizable service solutions
  • Frontline experience focus
Features
Read full description

Optimise Flex is a frontline experience application designed to be used on the move to make managing your workload easier. Use the Duty Picker to find extra shifts and manage your workload in this easy-to-use App. SBFM is a leading provider of soft services across the UK and Republic of Ireland, with over 6,000 directly employed staff serving more than 3,750 sites. Every service we offer is customised to meet the unique needs of our clients. We truly believe in innovation, the power of technology, and putting people first when it comes to delivering commercial cleaning and soft facilities management. We challenge the norm and bring a fresh perspective to the market, consistently providing affordable, high quality, and reliable solution to our clients.

Screenshots

SmartTask Engage3 screens
Optimise Flex4 screens

Verdict

The call

The clearest difference is review sentiment: Optimise Flex at 33% against SmartTask Engage's 6%. Optimise Flex also leads on update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

SmartTask Engage ships an update every 3 months, Optimise Flex every 3 weeks. The most recent releases landed on September 22, 2026 and July 8, 2026 respectively.

Scorecard2 real differences ยท 6 level
SmartTask Engage versus Optimise Flex: the parameters behind the verdict, then further details
ParameterSmartTask EngageOptimise Flex
PriceFreeFree
Positive reviews6.3% of reviews33.3% of reviews โ€” better
Update frequencyEvery 3 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 โ€” better
Further details โ€” not scored
Size147 MB47 MB
Age rating17+17+
DeveloperSkillweb co uk ltdSBFM Ltd

Customer experience

SmartTask Engage

Written reviews16 reviews
Positive6.3%
Neutral6.3%
Negative87.5%

Optimise Flex

Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

SmartTask Engage

No in-app purchases

None

Optimise Flex

No in-app purchases

Questions

Is SmartTask Engage free?
SmartTask Engage is free to download, with no in-app purchases.
Is Optimise Flex free?
Optimise Flex is free to download, with no in-app purchases.
Do SmartTask Engage or Optimise Flex have ads?
Neither SmartTask Engage nor Optimise Flex shows ads.
Which is updated more often, SmartTask Engage or Optimise Flex?
SmartTask Engage ships an update every 3 months, and Optimise Flex every 3 weeks. Most recently, SmartTask Engage was updated on September 22, 2026 and Optimise Flex on July 8, 2026.

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