Comparison

KEMPER HS2 vs FlowCheck

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

Head to head

About

KEMPER HS2

Configure and manage your KHS-HS2 Hygiene-Flushing Box. View settings, read flushing logs, and easily update firmware for your device.

Highlights

Configure Hygiene-Flushing Box
Display adjustment values
Read flushing logs
Transmit firmware updates
Manage KHS-HS2 settings

Features

Read full description

With the KEMPER HS2 app you can totally configure the KHS-HS2 Hygiene-Flushing Box. It facilitates displaying the adjustment values and reads out the flushing logs. It is simple to transmit firmware updates for the KHS-HS2 through the app.

About

FlowCheck

Features

Read full description

Full transparency at all times about your TROX drive solution and the operation of your system. The TROX Flow Check app turns your smartphone into a wireless on-site control for the latest generation of VAV, flap and valve actuators! Efficient commissioning, quick functional testing in operation, handy and always ready for service. Easily adapt when used. Document and send the setting and operating data.

Screenshots

KEMPER HS24 screens

FlowCheck4 screens

Verdict

The call

The clearest difference is update cadence: KEMPER HS2 at every 4 months against FlowCheck's every 15 months. KEMPER HS2 also leads on iOS requirement (12.0 vs 16.0). 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

KEMPER HS2 ships an update every 4 months, FlowCheck every 15 months. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 6 level

KEMPER HS2 versus FlowCheck: the parameters behind the verdict, then further details
Parameter	KEMPER HS2	FlowCheck
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 4 months — better	Every 15 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	12.0 — better	16.0
Further details — not scored
Size	35 MB	15 MB
Age rating	4+	4+
Developer	Gebr. Kemper GmbH + Co. KG	TROX GmbH

In-app purchases

None

KEMPER HS2

No in-app purchases

None

FlowCheck

No in-app purchases

Questions

Is KEMPER HS2 free?

KEMPER HS2 is free to download, with no in-app purchases.

Is FlowCheck free?

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

Do KEMPER HS2 or FlowCheck have ads?

Neither KEMPER HS2 nor FlowCheck shows ads.

Which is updated more often, KEMPER HS2 or FlowCheck?

KEMPER HS2 ships an update every 4 months, and FlowCheck every 15 months. Most recently, KEMPER HS2 was updated on September 11, 2026 and FlowCheck on September 9, 2026.