Comparison

SmartCheckSLS vs KNOBWELL

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

Head to head

Digital Checklist

About

SmartCheckSLS

Features

Read full description

Paper reports are inefficient and as a consequence the detection of errors is late. With a tool that allows you to digitize these processes you save time and money while improving the internal processes of your organization.

About

KNOBWELL

Features

Read full description

KNOBWELL home hardware provides variety of smart door locks, door handles and knobs, cabinet pulls, hinges, drawer slides in black/oil rubbed bronze. We offer a large range of choices of products with high quality, beautiful design and affordable prices without worry. We pay attention to people's lifestyle priorities in product design and development, continually improve the materials and processing of our products. KNOBWELL smart door locks are proof-positive that fashion and function can peacefully and beautifully co-exist. Your finger is the Key! Our smart locks offer the convenience of fingerprint, app control, and passcode, ensuring your life is both convenient and secure. KNOBWELL - Your Home Improvement Expert!

Screenshots

SmartCheckSLS4 screens

KNOBWELL3 screens

Verdict

The call

The clearest difference is update cadence: KNOBWELL at every 4 days against SmartCheckSLS's every 8 months. KNOBWELL also leads on iOS requirement (13.0 vs 15.0). 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

SmartCheckSLS ships an update every 8 months, KNOBWELL every 4 days. Both last shipped on October 2, 2026.

Scorecard2 real differences · 4 level

SmartCheckSLS versus KNOBWELL: the parameters behind the verdict, then further details
Parameter	SmartCheckSLS	KNOBWELL
Price	Free	Free
Update frequency	Every 8 months	Every 4 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.0	13.0 — better
Further details — not scored
Size	108 MB	156 MB
Age rating	4+	4+
Developer	Industrial Augmented Reality S.L.	Suzhou Wuqueqiao trading Co., LTD

In-app purchases

None

SmartCheckSLS

No in-app purchases

None

KNOBWELL

No in-app purchases

Questions

Is SmartCheckSLS free?

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

Is KNOBWELL free?

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

Do SmartCheckSLS or KNOBWELL have ads?

Neither SmartCheckSLS nor KNOBWELL shows ads.

Which is updated more often, SmartCheckSLS or KNOBWELL?

SmartCheckSLS ships an update every 8 months, and KNOBWELL every 4 days. Most recently, SmartCheckSLS was updated on October 2, 2026 and KNOBWELL on October 2, 2026.