Comparison

WTCO vs Shift Work Calendar

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

Head to head
About

WTCO

Features
Read full description

The (Water Transmission Company) application allows all customers and entities to apply for water supply requests as well as track their requests. It also provides information on tenders, projects, major works, and services provided by the Water Transmission Company for application. It also facilitates those who wish to join the Water Transmission Company family, including job seekers, to learn about the latest and most important jobs offered by the company, their conditions, and how to apply for them. The application also facilitates employees' access to self-services with ease, where they can access their information dashboard and request leaves, bonuses, and other services. In addition, managers will be able to process requests through the application directly and from anywhere.

About

Shift Work Calendar

Manage your work schedule, track overtime hours, and organize personal events with this comprehensive calendar app. It automatically logs extra hours based on labor laws and offers flexible views for planning. Personal events are stored securely on your device.

Highlights
  • Shift work schedule management
  • Automatic overtime tracking
  • Personal event organization
  • National holiday display
  • Multiple calendar views
  • Flexible shift swapping
Features
Read full description

ZAM Calendar is a shift work calendar that helps you manage your work schedule, organize personal events, and view national holidays. All-in-One Calendar - Shift schedules - National holidays - Personal events - Apple Calendar integration Flexible Shift Swapping Need to change one day? Swap a shift without changing the rest of your schedule. Connect Apple Calendar With your permission, ZAM Calendar displays your personal events directly from Apple Calendar alongside your shifts. Privacy First Your personal events remain in Apple Calendar on your device. We never upload, save, or store your personal calendar data on our servers. Clean and Simple Views - Monthly Calendar: View color-coded shifts and events in a clear monthly layout. - Daily Details: Tap any day to see its shifts and events. - Widget: See your shifts and events at a glance. - Holiday List: View all national holidays in one place. Subscription Required A monthly or yearly subscription is required to use ZAM Calendar. - Yearly plan: Renews automatically each year. - Monthly plan: Renews automatically each month. Subscriptions renew unless canceled at least 24 hours before the end of the current billing period. Cancel Anytime You can cancel your subscription on your iPhone by going to Settings > Your Name > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zamcalendar.com/policies/privacy-policy Need Help? Contact us from ZAM Calendar by going to Settings > Email Support & Feedback, or email us at support@zamcalendar.com. Thank You We put a lot of care into ZAM Calendar and read every review. If you enjoy the app, please leave a review.

Screenshots

WTCO4 screens
Shift Work Calendar4 screens

Verdict

The call

The clearest difference is in-app purchases: WTCO at none against Shift Work Calendar's 2. WTCO also leads on iOS requirement (15.0 vs 26.0). Shift Work Calendar's advantage is update cadence (every 2 days vs monthly). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Shift Work Calendar sells 2 in-app purchases, starting at $1.49 per month. WTCO asks for nothing beyond the download.

UpkeepUpdate frequency

WTCO ships an update monthly, Shift Work Calendar every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
WTCO versus Shift Work Calendar: the parameters behind the verdict, then further details
ParameterWTCOShift Work Calendar
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—66.7% of reviews
Number of ratings—5 — better
Update frequencyMonthlyEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size95 MB46 MB
Age rating17+4+
DeveloperWATER TRANSMISSION AND TECHNOLOGIES COMPANYCOMPANY DAMA CODE FOR INFORMATION TECHNOLOGY (ONE PARTNER)

In-app purchases

None

WTCO

No in-app purchases

2 purchases

Shift Work Calendar

Subscriptions2
  • Monthly7 Days trial$1.491 Month
  • Yearly14 Days trial$9.991 Year

Questions

Is WTCO free?
WTCO is free to download, with no in-app purchases.
Is Shift Work Calendar free?
Shift Work Calendar is free to download, with in-app purchases available.
Do WTCO or Shift Work Calendar have ads?
Neither WTCO nor Shift Work Calendar shows ads.
Which is updated more often, WTCO or Shift Work Calendar?
WTCO ships an update monthly, and Shift Work Calendar every 2 days. Most recently, WTCO was updated on October 25, 2026 and Shift Work Calendar on October 24, 2026.

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