WhosOff. vs HCSS Plans
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WhosOff.
Easily manage team absences, requests, and productivity on the go. This user-friendly app allows for instant leave reporting, approval of requests, and visibility into your workforce's availability.
- Manage team absences
- Approve/decline leave requests
- View planned absences
- Personalized dashboard
- Report team member absence
- Multi-Factor Authentication
- Single Sign-On
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Our new, user friendly mobile app lets you manage your leave in an instant. Report team members on sick leave, handle pending leave and overtime requests, keep an eye on your workforce and ensure maximum productivity. - View and manage your team's absences - Approve (or decline) leave and overtime requests - View your colleagues' upcoming planned absences - Personalised dashboard matches your online profile - Allow your team to report other members' absence - Support for Multi-Factor Authentication + Biometric Security - Single Sign-On (SAML) enabled - Admin Features for Adding and Managing existing staff members This is a companion application which works in conjunction with the WhosOff online service.
HCSS Plans
This app facilitates real-time collaboration on construction plans for heavy civil projects. It allows teams to upload, annotate, and share PDF plans, ensuring everyone works with the latest revisions. Features include smart revision control, instant document access, and built-in calculators for accurate quantity takeoffs.
- Real-time collaboration
- Smart revision control
- PDF plan upload and markup
- Instant document access
- Built-in heavy civil calculators
- Location services for field use
- Sheet overlays for conflict detection
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Get everyone on the same (digital) page with this easy app, designed for heavy civil construction. Upload PDF plans from the office, and then collaborate with your entire project team in real time, no matter where they are, using markups, call-outs, notes, photos/videos, and more. Smart revision control ensures everyone works off the latest set of plans and site instructions so your crews can build correctly the first time, every time. ~~~~~ Collaboration ~~~~~ SEAMLESS TEAMWORK Align your entire project team — from foremen and managers to estimators, executives, and owners. • Management gains detailed insight into how the project was bid. • Foremen get instant access to project managers’ notes, clarifications, and calculations. • All team members can add and share layers, annotations, notes, photos, and videos. • Subcontractors can collaborate with your team for free while your sensitive information is protected. SMART REVISION CONTROL Avoid rework and delays when everyone works off the most up-to-date set of plans. • Sync revisions, annotations, and photos between the office and field. • Overlay new and old versions to identify design changes immediately. INSTANT ACCESS TO DOCS Digitally store all project documents in one, easy-to-use system for instant access in the office and field, even without Internet. • Organize your permits, contracts, shop drawings, vendor agreements, manuals, specs, and more. • Pin RFIs, issues, dig permits, and submittals directly onto plan sheets to quickly reference relevant info. ~~~~~ Heavy Civil Focused ~~~~~ CALCULATIONS & QUANTITIES Save time and money with effortless calculations, right in your app. • Accurately determine volume, tonnage, trucking, and more with built-in, heavy civil calculators. • No more guessing — report true quantities rather than eyeballing. • Supports both horizontal and vertical measurements for profile views. REAL-TIME LOCATION SERVICES No other digital plans solution provides this level of location services for your construction sites. • Easily locate yourself on the plans sheet, even in a green field, without a survey crew. • Catch issues early by walking the site to identify any obstacles that may not be accounted for in drawings. • Auto-pin photos in the exact place they were taken to more clearly communicate issues or work progress. SHEET OVERLAYS Overlay sheets to gain a more comprehensive view of your project. • Stack related sheets, such as electrical and sewer, to verify there are no conflicts in the area before each stage of work. • Stitch sheets over Apple Maps to see your plans in relation to existing structures in road or satellite view. ~~~~~ Smart Integrations ~~~~~ HCSS Plans is part of the HCSS suite, providing even more efficiency and accuracy across your teams. HeavyBid estimating software • Takeoff integration: Import HCSS Plans takeoff quantities into HeavyBid. • Easy reference: Link biditems and activities to relevant sheets for easy reference. • Better collaboration: Instantly share estimators’ notes and calculations with your Operations team after winning the bid. HeavyJob field entry & job management software • Accurate quantities: Pull in sheet calculations for accurate production quantities without double entry. • Quick reviews: Relevant sheets are one click away for easy quantity checks during web time card reviews. • Issue alerts: Get notified when an issue is logged on a sheet, and elevate it to an RFI if necessary.
Screenshots
Verdict
The clearest difference is rating: WhosOff. at 4.9 against HCSS Plans's 4.6. WhosOff. also leads on iOS requirement (15.1 vs 17.0). HCSS Plans's advantage is review sentiment (57% vs 43%) and ratings volume (407 vs 107). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WhosOff. holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 107 and 407 respectively. Written reviews complicate that: 43% of WhosOff.'s written reviews are positive against 57% of HCSS Plans's, so the app with the better star average is not the one people write more warmly about.
WhosOff. ships an update every 5 weeks, HCSS Plans every 3 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.
| Parameter | WhosOff. | HCSS Plans |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (107 ratings) — better | 4.6 (407 ratings) |
| Positive reviews | 43.2% of reviews | 57.1% of reviews — better |
| Number of ratings | 107 | 407 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 31 MB | 201 MB |
| Age rating | 4+ | 4+ |
| Developer | Xdrive Computing Limited | Heavy Construction Systems Specialists, Inc. |
Customer experience
WhosOff.
HCSS Plans
Bugs and requests
WhosOff.
Reported bugs
18 issues- Unable to register, only sign in
- Shows half-day allowance but only allows whole-day booking
- Nothing comes back approved or recognized
- Doesn't work since update
- App ruined after update, shows nothing
Show 13 moreShow fewer
- Can't login with Google Apps on iOS
- App not responding to input
- Crashes after update
- App closes when viewing 'who's off'
- App crashes when trying to view 'who's off'
- App doesn't open at all after update
- App closes down every time to see who's off
- Doesn't show who's off in other or own teams
- Cannot cancel pending leave via app
- Doesn't remember login
- New update crashes
- App crashes as soon as you try to view 'who's off'
- New version boots you off
Requested features
4 requests- Add 'remaining balance' figure
- Add weekly/monthly/yearly view
- Add overtime function
- Allow cancellation of pending leave
HCSS Plans
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WhosOff.
No in-app purchases
HCSS Plans
No in-app purchases









