Comparison

bletoothBattery vs Useless Contacts

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

Head to head

Battery

Keep it clean

About

bletoothBattery

Features

Read full description

battery booth to test working environment

About

Useless Contacts

This utility app helps you declutter your address book by identifying and removing contacts that are empty, incomplete, outdated, or lack essential personal information. It offers smart analysis and custom criteria for a personalized cleanup experience, all while prioritizing your privacy with on-device processing.

Highlights

Smart contact analysis
Custom cleanup criteria
Batch delete support
Easy-to-use interface
Privacy-focused on-device processing

Features

Read full description

Clean up your contacts effortlessly with Useless Contacts. Our intelligent app helps you identify and remove: Empty contacts with no useful information Incomplete entries missing essential details Outdated contacts you no longer need Organization-only contacts without personal details Contacts with only social media links Key Features: Smart Contact Analysis Custom Cleanup Criteria Batch Delete Support Easy-to-Use Interface Privacy Focused - All Processing Done On-Device Take control of your contacts and keep your address book organized. Download now and discover how many unnecessary contacts you can safely remove!

Screenshots

bletoothBattery3 screens

Useless Contacts3 screens

Verdict

The call

The clearest difference is update cadence: Useless Contacts at every 3 weeks against bletoothBattery's every 3 months. bletoothBattery's advantage is iOS requirement (12.1 vs 16.6). 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

bletoothBattery ships an update every 3 months, Useless Contacts every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 5 level

bletoothBattery versus Useless Contacts: the parameters behind the verdict, then further details
Parameter	bletoothBattery	Useless Contacts
Price	Free	Free
Update frequency	Every 3 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	12.1 — better	16.6
Further details — not scored
Size	60 MB	8 MB
Age rating	17+	17+
Developer	鑫孙	Aleksandr Kuznetsov

In-app purchases

None

bletoothBattery

No in-app purchases

None

Useless Contacts

No in-app purchases

Questions

Is bletoothBattery free?

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

Is Useless Contacts free?

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

Do bletoothBattery or Useless Contacts have ads?

Neither bletoothBattery nor Useless Contacts shows ads.

Which is updated more often, bletoothBattery or Useless Contacts?

bletoothBattery ships an update every 3 months, and Useless Contacts every 3 weeks. Most recently, bletoothBattery was updated on October 8, 2026 and Useless Contacts on October 1, 2026.