Comparison

CORE by EXP.OS vs SMAS.HK

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

Head to head

CORE by EXP.OS

Time x Resource Management

Free

💼 Business

★ 5.02 ratingsView app →

SMAS.HK

Shift, Attend, Payroll, Tax

Free

💼 Business

No ratingsView app →

About

CORE by EXP.OS

This booking engine streamlines your business operations by managing customer appointments. It allows you to focus on providing excellent service while the app handles scheduling and customer interactions.

Highlights

Customer booking management
Appointment scheduling
Focus on customer experience
Streamlined business operations

Features

Read full description

A beautiful Booking Engine for your business CORE handles your customer's booking, so you can focus on delivering the best experience.

About

SMAS.HK

Features

Read full description

SMAS.HK offers flexible scheduling and attendance features, along with payroll and tax solutions that comply with Hong Kong laws. Industries served include F&B, retail, property management, cleaning, legal, accounting firms, logistics, and engineering companies.

Screenshots

CORE by EXP.OS4 screens

SMAS.HK4 screens

Verdict

The call

CORE by EXP.OS and SMAS.HK are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CORE by EXP.OS ships an update fortnightly, SMAS.HK every 3 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

ScorecardNo meaningful differences

CORE by EXP.OS versus SMAS.HK: the parameters behind the verdict, then further details
Parameter	CORE by EXP.OS	SMAS.HK
Price	Free	Free
Rating	5.0 (2 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	2 — better	—
Update frequency	Fortnightly — better	Every 3 weeks
Ads	No	No
In-app purchases	No	No
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	15.0
Further details — not scored
Size	96 MB	89 MB
Age rating	4+	4+
Developer	(if) Time is Ltd.	Smart Future (Asia) Limited

In-app purchases

None

CORE by EXP.OS

No in-app purchases

None

SMAS.HK

No in-app purchases

Questions

Is CORE by EXP.OS free?

CORE by EXP.OS is free to download, with no in-app purchases.

Is SMAS.HK free?

SMAS.HK is free to download, with no in-app purchases.

Do CORE by EXP.OS or SMAS.HK have ads?

Neither CORE by EXP.OS nor SMAS.HK shows ads.

Which is updated more often, CORE by EXP.OS or SMAS.HK?

CORE by EXP.OS ships an update fortnightly, and SMAS.HK every 3 weeks. Most recently, CORE by EXP.OS was updated on October 15, 2026 and SMAS.HK on October 11, 2026.