Comparison

Flexi Calendar vs FLASS Scheduler

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

Head to head
About

Flexi Calendar

Manage complex and rotating work schedules with ease. This app is designed for individuals with non-traditional weekly routines, allowing for custom schedule creation and sharing. Sync with your device's calendar and find common availability with friends.

Highlights
  • Customizable rotating schedules
  • Support for non-traditional workweeks
  • Schedule comparison with friends
  • Export to Apple Calendar
  • Find mutual availability
  • Ideal for shift workers
Features
Read full description

Your schedule doesn’t fit a standard week. Flexi turns rotating shifts into a clear, color-coded calendar and helps people you know find time together. SEE EVERY SHIFT • Build repeating work patterns, rotas, and schedule presets • Scan upcoming days at a glance • Track hours and spot trends PLAN TOGETHER • Compare group availability without sharing your entire calendar • Create group events with locations, notes, RSVP deadlines, and Going/Maybe/Can’t Go responses • Keep the next group event visible in the conversation MESSAGE PRIVATELY • Start direct chats or named group chats • Use moderators, permissions, nicknames, blocking, and reporting • New messages and event details use end-to-end encryption on supported Flexi versions STAY IN SYNC • Add selected events to Apple Calendar • Import or export the calendars you choose • Get optional reminders and notifications Contacts and calendar access are optional and requested only when you use features that need them. Account deletion is available in Settings.

About

FLASS Scheduler

Features
Read full description

Maximize efficiency with FLASS Scheduler. Take control of your schedule, make real-time adjustments, and seamlessly collaborate with your colleagues by viewing and coordinating schedules. Effortlessly manage your work routine for enhanced productivity.

Screenshots

Flexi Calendar4 screens
FLASS Scheduler4 screens

Verdict

The call

The clearest difference is update cadence: Flexi Calendar at daily against FLASS Scheduler's every 6 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Flexi Calendar ships an update daily, FLASS Scheduler every 6 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 8 level
Flexi Calendar versus FLASS Scheduler: the parameters behind the verdict, then further details
ParameterFlexi CalendarFLASS Scheduler
PriceFreeFree
Rating5.0 (5 ratings) — better—
Number of ratings5 — better—
Update frequencyDaily — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.4
Further details — not scored
Size21 MB17 MB
Age rating4+17+
DeveloperRichard LaveyZain Lateef

In-app purchases

None

Flexi Calendar

No in-app purchases

None

FLASS Scheduler

No in-app purchases

Questions

Is Flexi Calendar free?
Flexi Calendar is free to download, with no in-app purchases.
Is FLASS Scheduler free?
FLASS Scheduler is free to download, with no in-app purchases.
Do Flexi Calendar or FLASS Scheduler have ads?
Neither Flexi Calendar nor FLASS Scheduler shows ads.
Which is updated more often, Flexi Calendar or FLASS Scheduler?
Flexi Calendar ships an update daily, and FLASS Scheduler every 6 weeks. Most recently, Flexi Calendar was updated on October 24, 2026 and FLASS Scheduler on October 27, 2026.

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