Comparison

blukii Radar vs Check

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

Head to head

Stay Connected

★ 5.01 ratingsView app →

About

blukii Radar

Read full description

blukii Radar scans for all blukii devices around you. You can connect to the blukii SmartSensor and read out the battery level. The app shows the connection status and the actual RSSI value of the blukii SmartSensor device.

About

Check

This app helps you maintain connections by reminding you to check in with friends, family, or colleagues. You can customize the frequency of these reminders to ensure you stay in touch.

Highlights

Customizable check-in reminders
Stay connected with contacts
Personalized reminder frequency
Supports friends, family, and work contacts

Features

Read full description

Check-in Tools helps you stay connected with friends, family or at work. Stay in touch with them by setting up how often you want to be reminded to check-in with them.

Screenshots

blukii Radar3 screens

Check4 screens

Verdict

The call

The clearest difference is update cadence: Check at every 3 days against blukii Radar's every 4 months. blukii Radar's advantage is iOS requirement (8.0 vs 15.1). 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

blukii Radar ships an update every 4 months, Check every 3 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level

blukii Radar versus Check: the parameters behind the verdict, then further details
Parameter	blukii Radar	Check
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 4 months	Every 3 days — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	8.0 — better	15.1
Further details — not scored
Size	1 MB	37 MB
Age rating	4+	4+
Developer	hard & softWERK GmbH	Rooted Software

In-app purchases

None

blukii Radar

No in-app purchases

None

Check

No in-app purchases

Questions

Is blukii Radar free?

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

Is Check free?

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

Do blukii Radar or Check have ads?

Neither blukii Radar nor Check shows ads.

Which is updated more often, blukii Radar or Check?

blukii Radar ships an update every 4 months, and Check every 3 days. Most recently, blukii Radar was updated on October 26, 2026 and Check on October 24, 2026.