Comparison

Carbonate HR vs FLEX Shift Scheduler

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

Head to head

About

Carbonate HR

Features

Read full description

Carbonate is an online HR application for staff to mark the times they arrive and depart from work. The app also allows staff to apply for leave and for their managers to approve or reject the leave application. Staff can view the details about other outlets in their network as well as promotions that employees are entitled to.

About

FLEX Shift Scheduler

Manage work schedules, track shifts, duties, and leaves. Broadcast company-wide events and announcements to all staff. Features a simple interface for easy navigation by users of any age.

Highlights

Shift tracking
Duty management
Leave management
Event broadcasting
Announcement system
User-friendly interface

Features

Read full description

FLEX Shift Scheduler allows your staff to better manage their work schedules. Be it a part-time or full-time staff, FLEX Shift Scheduler enables them to track their day to day working shifts, duties, leaves and many more. Company wide events and announcement can also be easily broadcasted to all your staff’s phones. With a simple and fuss-free user interface, anyone of any age will be able to navigate around the app easily.

Screenshots

Carbonate HR3 screens

FLEX Shift Scheduler3 screens

Verdict

The call

The clearest difference is iOS requirement: FLEX Shift Scheduler at 11.0 against Carbonate HR's 15.1. 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

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

Carbonate HR ships an update every 2 weeks, FLEX Shift Scheduler every 3 weeks. The most recent releases landed on September 1, 2026 and June 9, 2026 respectively.

Scorecard1 real difference · 7 level

Carbonate HR versus FLEX Shift Scheduler: the parameters behind the verdict, then further details
Parameter	Carbonate HR	FLEX Shift Scheduler
Price	Free	Free
Positive reviews	—	0.0% of reviews
Update frequency	Every 2 weeks — better	Every 3 weeks
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.1	11.0 — better
Further details — not scored
Size	38 MB	10 MB
Age rating	4+	4+
Developer	Soda in Mind	Flex-Solver Pte. Ltd.

In-app purchases

None

Carbonate HR

No in-app purchases

None

FLEX Shift Scheduler

No in-app purchases

Questions

Is Carbonate HR free?

Carbonate HR is free to download, with no in-app purchases.

Is FLEX Shift Scheduler free?

FLEX Shift Scheduler is free to download, with no in-app purchases.

Do Carbonate HR or FLEX Shift Scheduler have ads?

Neither Carbonate HR nor FLEX Shift Scheduler shows ads.

Which is updated more often, Carbonate HR or FLEX Shift Scheduler?

Carbonate HR ships an update every 2 weeks, and FLEX Shift Scheduler every 3 weeks. Most recently, Carbonate HR was updated on September 1, 2026 and FLEX Shift Scheduler on June 9, 2026.