Comparison

Keep Technologies vs ANCEL BM200

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

Head to head
About

Keep Technologies

This system provides vehicle safety and security with an easy-to-install device. It automatically arms and disarms, sends instant notifications for events, and allows live video review. A monitoring service offers 24/7 peace of mind.

Highlights
  • Automatic arming/disarming
  • Instant event notifications
  • Live video review
  • 24/7 monitoring service
  • Easy installation
Features
Read full description

Keep thieves away. Keep your car and family safe. The Keep Vehicle Monitoring System is the world's first easy-to-install, connected vehicle safety and security device and platform. The Keep Device will arm and disarm itself automatically as you enter and leave your vehicle. Receive instant notifications and then review live video of Deterrent and Alarm events in the Keep App to silence the alarm or alert the authorities. Get 24/7 peace of mind with the Keep Monitoring Service knowing that someone will be able to review your video if you are busy. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ANCEL BM200

Monitor your car battery's health in real-time. This app tests the voltage of your starting and charging systems, providing detailed insights into your battery's condition. View all data on your phone via Bluetooth for easy car battery power management.

Highlights
  • Real-time voltage monitoring
  • Starting system testing
  • Charging system testing
  • Record start/stop times
  • Bluetooth data display
  • Battery power management
Features
Read full description

Battery Monitor BM200 is an application for testing car batteries. It allows the user to know the voltage of the car battery in real time. It helps users to fully understand the battery by testing the voltage of the starting and charging system. It can record exactly when the car starts and stops. All the data can be displayed on the phone via Bluetooth. Easy car battery power management.

Screenshots

Keep Technologies4 screens
ANCEL BM2004 screens

Verdict

The call

The clearest difference is review sentiment: Keep Technologies at 89% against ANCEL BM200's 45%. Keep Technologies also leads on rating (4.3 vs 3.3) and update cadence (weekly vs every 3 weeks). ANCEL BM200's advantage is in-app purchases (none vs 4). On price, ratings volume, ads 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. Keep Technologies sells 4 in-app purchases, starting at $9.99 per month. ANCEL BM200 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Keep Technologies holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 32 and 28 respectively. Written reviews point the same way: 89% of Keep Technologies's written reviews are positive against 45% of ANCEL BM200's.

UpkeepUpdate frequency

Keep Technologies ships an update weekly, ANCEL BM200 every 3 weeks. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Keep Technologies versus ANCEL BM200: the parameters behind the verdict, then further details
ParameterKeep TechnologiesANCEL BM200
PriceFreeFree
Rating4.3 (32 ratings) — better3.3 (28 ratings)
Positive reviews88.9% of reviews — better45.5% of reviews
Number of ratings32 — better28
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size171 MB30 MB
Age rating4+4+
DeveloperKeep TechnologiesOBDSPACE TECHNOLOGY CO.,LTD

Customer experience

Keep Technologies

All ratings32 ratings
Positive84.4%
Neutral0.0%
Negative15.6%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

ANCEL BM200

All ratings28 ratings
Positive57.1%
Neutral3.6%
Negative39.3%
Written reviews33 reviews
Positive45.5%
Neutral12.1%
Negative42.4%

In-app purchases

4 purchases

Keep Technologies

Subscriptions4
  • Cellular Connectivity Monthly1 Month trial$9.991 Month
  • Cellular Connectivity Monthly$9.991 Month
  • Cellular Connectivity Annual1 Month trial$99.991 Year
Show 1 more
  • Cellular Connectivity Annual$99.991 Year
None

ANCEL BM200

No in-app purchases

Questions

Is Keep Technologies free?
Keep Technologies is free to download, with in-app purchases available.
Is ANCEL BM200 free?
ANCEL BM200 is free to download, with no in-app purchases.
Which has better reviews, Keep Technologies or ANCEL BM200?
Keep Technologies is rated higher. Keep Technologies averages 4.3 out of 5 from 32 ratings, while ANCEL BM200 averages 3.3 from 28 ratings.
Do Keep Technologies or ANCEL BM200 have ads?
Neither Keep Technologies nor ANCEL BM200 shows ads.
Which is updated more often, Keep Technologies or ANCEL BM200?
Keep Technologies ships an update weekly, and ANCEL BM200 every 3 weeks. Most recently, Keep Technologies was updated on October 3, 2026 and ANCEL BM200 on October 13, 2026.

Other comparisons