Report updated May 25, 2026

Roster-Calendar is an established productivity app that is free with in-app purchases. With a 4.4/5 rating from 63 reviews, it shows polarized user reception. Users particularly appreciate rapid shift pattern entry, though manual entry friction remains a common concern.

What is Roster-Calendar?

Roster-Calendar is a productivity app for shift workers to manage recurring work patterns on iOS.

Users hire this app to minimize the time spent logging complex, recurring shift schedules that standard calendar apps handle poorly.

Current Momentum

v6.3 · 28mo ago

Zombie
  • Last major update Jan 2024.
  • No new features released recently.

Active Nemesis

CalenGoo - Calendar and Tasks

CalenGoo - Calendar and Tasks

By Gunia UG (haftungsbeschränkt)

Other Rivals

Family Calendar and Organizer
WidgetCal-Calendar Widget
CalendarBridge
Solid Calendar
Flipcause
Kickserv Field Service
Smokeball
AutoAlert

7-Day Rank Pulse 🇺🇸

Productivity

No ranking data

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

What Does It Look Like?

Loading...

What Are The Key Features?

Shift Pattern TemplatesDifferentiator

Editable templates for rapid entry of recurring work schedules

Online SyncDifferentiator

Cloud synchronization between mobile app and web-based calendar interface

How much does it cost?

Freemium
  • Free tier with ads
  • Premium subscription at $1.49/month

Freemium model anchored at $1.49/month, gating advanced synchronization, multimedia features, and ad removal.

Who Built It?

Productivity

Enrichment in progress

Publisher profile available very soon

What other apps does michael heinz make?

Отжимания 100+

Отжимания 100+

Здоровье и фитнес

Roster-Calendar Pro

Roster-Calendar Pro

Business

Generador de frecuencias Pro

Generador de frecuencias Pro

Medicina

Lupa con luz+zoom

Lupa con luz+zoom

Medicina

What do users think recently?

Medium confidence · 49 reviews analyzed

How did the latest release land?

Overall
4.4/ 5
(63)
Current version
4.4/ 5
0.0 vs overall
(63)
Main signal post-update: rapid shift pattern entry.

What is the recent mood?

Mixed

Recent user voice shows a mixed sentiment. Users appreciate rapid shift pattern entry, but report manual entry friction.

Limited review volume (49 reviews). Sentiment analysis will deepen as more data lands.

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

What is the competitive landscape for Roster-Calendar?

Where is it available?

Localized markets (10)

United StatesBrazilGermanySpainFranceItalyJapanSouth KoreaMexicoPortugal

How's The Productivity Market?

Market outlook for this category

Available very soon

The rivals identified

Nemeses(1)

CalenGoo - Calendar and Tasks icon

Gunia UG (haftungsbeschränkt)

4.9(1.5M)

CalenGoo is the primary nemesis due to its massive user base and deep integration of tasks within calendar views, directly challenging Roster-Calendar’s utility-focused shift management.

Differentiators

  • Offers a robust direct sync engine that ensures consistent data across multiple calendar platforms simultaneously.
  • Integrates complex task management directly into the calendar view, providing a comprehensive productivity hub experience.
  • Features advanced floating event support which allows for flexible scheduling beyond rigid shift-based time slots.

Head to head

Roster-Calendar should focus on its niche speed-to-entry advantage rather than competing on feature breadth, which is already dominated by CalenGoo.

Contenders(4)

SyncCal icon

Dominique Andr Gunia

3.5(22)

SyncCal targets the same productivity-conscious demographic by focusing on cross-platform synchronization and privacy-centric data handling.

WidgetCal competes by prioritizing home screen visibility, targeting users who want to see their shifts at a glance without opening the app.

Differentiators

  • Offers superior lock-screen and notification center widget customization compared to Roster-Calendar's current feature set.
  • Provides deep integration with AwesomeCalendar, creating a more interconnected ecosystem for power users.
Yandex Calendar icon

Direct Cursus Computer Systems Trading LLC

3.3(1.1K)

Yandex Calendar competes by offering a comprehensive, multi-calendar management suite that appeals to users needing broader organizational tools.

This app competes for the attention of users seeking a more personalized, visually engaging calendar experience compared to Roster-Calendar's functional approach.

Same space(3)

This app competes for the merchant-side scheduling and management market, focusing on operational efficiency for business owners.

Halo ITSM, PSA, CRM icon

Halo Service Solutions Ltd

3.4(20)

Halo competes in the business productivity space by offering team-based scheduling and ticket management for service-oriented organizations.

Kickserv overlaps with Roster-Calendar by providing scheduling tools specifically designed for field service workers and their teams.

Differentiators

  • Includes digital signature capture and QuickBooks integration, essential for field service professionals managing client work.
  • Focuses on end-to-end field service management rather than just personal shift pattern tracking.

Compare Roster-Calendar against every rival

All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.

Go deeper

The outtake for Roster-Calendar

Strengths to defend, gaps to attack

Core Strengths

  • Rapid shift pattern entry mechanism sustains high user satisfaction for manual loggers
  • Freemium pricing structure lowers the barrier to entry for new shift workers

Critical Frictions

  • $1.49/month premium tier lacks high-value automation features
  • Manual entry workflow creates friction compared to natural language competitors

Growth Levers

  • Integration of natural language processing could automate shift entry
  • B2B partnerships with staffing agencies could scale user acquisition

Market Threats

  • Solid Calendar's natural language input feature directly erodes the speed-to-entry advantage
  • AI-driven scheduling assistants are rapidly commoditizing manual calendar logging

What are the next best moves?

highInvest

Ship natural language input because Solid Calendar's input speed is a direct threat → increase new-user conversion.

Solid Calendar's natural language input is a cited competitive threat.

Trade-off: Pause the multimedia feature development — natural language input has higher impact on core retention.

mediumMaintain

Audit premium tier value because current gating is insufficient to drive conversion → increase subscription revenue.

Freemium model insights indicate current gating is limited.

Trade-off: Same-quarter capacity available — no major lever displaced.

A counter-intuitive read

The app's lack of feature updates is not a weakness but a sign of a completed utility that requires no further bloat to serve its core shift-worker demographic.

Feature Gaps vs Competitors

  • Natural language input (available in Solid Calendar but absent here)
  • Integrated earnings tracker (available in Shift Calendar but absent here)

Key Takeaways

Roster-Calendar maintains a loyal niche through its rapid shift-entry templates, but it risks obsolescence as AI-driven scheduling tools automate manual logging, so the PM must prioritize natural language input to protect the core user base from modern competitors.

Where Is It Heading?

Mixed Signals

The shift-scheduling market is consolidating around automated, AI-assisted tools, leaving manual-entry apps like Roster-Calendar increasingly exposed. Without a shift toward automation, the app will likely see churn increase as users migrate to competitors that offer lower-friction scheduling workflows.

Lack of feature updates in the latest release suggests a maintenance-mode posture that leaves the app vulnerable to faster-moving competitors.

The stable 4.37 rating indicates the core manual-entry value proposition remains intact for the existing user base.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Roster-Calendar, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app remains in a maintenance-mode state, with competitive pressure shifting from technical stability issues to a lack of modern input features like natural language processing.

added

Natural language input threat

shifted

Complaint theme shift

declined

Sentiment score decrease

added

Natural language processing opportunity

Cite this report

Marlvel.ai. “Roster-Calendar Intelligence Report.” Updated May 25, 2026. https://marlvel.ai/apps/roster-calendar

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