Comparison

Automatic Sleep Tracker vs Buzz Off Shield

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

Head to head

Automatic Sleep Tracker

Ultrasonic Shield

About

Automatic Sleep Tracker

Features

Read full description

Automatic sleep tracker, your personal sleep depth and cycle monitor. With it, you can know everything you want to know about your sleep pattern, understand your sleep depth and cycle, give you a comprehensive score for your sleep, and recommend your recent bedtime based on your habits, automatically monitor your sleep duration and quality and send you a notification after you unlock your phone for the first time in the morning. What are you waiting for? Click to download now, improve your sleep quality, embrace a healthier life. Bring you a more efficient life.

About

Buzz Off Shield

Features

Read full description

Let “Buzz Off” help you avoid intrusions from stray dogs, flies, mosquitoes, and rats. Download now! Discover more frequency functions yourself!

Screenshots

Automatic Sleep Tracker1 screens

Buzz Off Shield2 screens

Verdict

The call

The clearest difference is price: Buzz Off Shield at Free against Automatic Sleep Tracker's $2.99. Buzz Off Shield also leads on update cadence (every 3 weeks vs every 3 months). Automatic Sleep Tracker's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.4). On 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

Buzz Off Shield is free to download; Automatic Sleep Tracker costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Automatic Sleep Tracker ships an update every 3 months, Buzz Off Shield every 3 weeks. The most recent releases landed on September 12, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 2 level

Automatic Sleep Tracker versus Buzz Off Shield: the parameters behind the verdict, then further details
Parameter	Automatic Sleep Tracker	Buzz Off Shield
Price	$2.99	Free — better
Update frequency	Every 3 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod, Apple Watch — better	iPhone, iPad
Requires iOS	15.0 — better	18.4
Further details — not scored
Size	2 MB	26 MB
Age rating	4+	4+
Developer	泳诗陈	Pochang Chen

In-app purchases

None

Automatic Sleep Tracker

No in-app purchases

None

Buzz Off Shield

No in-app purchases

Questions

Is Automatic Sleep Tracker free?

Automatic Sleep Tracker costs $2.99, with no in-app purchases.

Is Buzz Off Shield free?

Buzz Off Shield is free to download, with no in-app purchases.

Do Automatic Sleep Tracker or Buzz Off Shield have ads?

Neither Automatic Sleep Tracker nor Buzz Off Shield shows ads.

Which is updated more often, Automatic Sleep Tracker or Buzz Off Shield?

Automatic Sleep Tracker ships an update every 3 months, and Buzz Off Shield every 3 weeks. Most recently, Automatic Sleep Tracker was updated on September 12, 2026 and Buzz Off Shield on September 23, 2026.