Comparison

DHC vs M19 Lab

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

Head to head
About

DHC

Features
Read full description

BTW350 is a wireless battery & electrical system tester controlled by DHCโ€™s applications. It also comes with an automatic battery monitor and saves the results into the built-in calendar. Furthermore, BTW350 supports the DHC cloud data management service as well. Features: 1. Battery Monitor Real-time battery monitoring and sends out notification automatically. 2. Battery, Cranking, & Charging system tester 12V battery / 12V START-STOP battery test / 12V & 24V cranking/charging system test / 3. Start/Stop Battery Test Available Performs accurate test for Start/Stop batteries. 4. Graphical User Interface The interactive interface makes the operation easier and provides the test results clearly. 5. Vehicle & Battery Info Available Supports VIN & Battery S/N scan 6. Customer & Shop Info Available Capable of editing & saving customer & shop info. 7. Calendar Easily identifies which and when that the test has been performed from the calendar. 8. Remote Control via Applications All the test procedures are remotely controlled by the iOS application. 9. Share Test Results Capability Test results could be share via communication applications or email 10. Cloud Data Management Capability Supports DHC cloud data management service 11. Field Upgrade Upgrades the BTW350 via DHC applications. 12. Name the Tester Able to name different testers to easily identify multiple BTW350 testers. 13. Group Test Capability Able to perform group/batch battery test.

About

M19 Lab

Features
Read full description

The M19 labs vision is to continue to grow and challenge convention through our pioneering spirit, scientific advancements, forward-thinking leadership, and collaborative approach to providing exceptional material testing support in the many diverse industries that we serve.

Screenshots

DHC4 screens
M19 Lab4 screens

Verdict

The call

The clearest difference is update cadence: M19 Lab at monthly against DHC's every 4 months. DHC's advantage is iOS requirement (11.0 vs 14.5). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DHC ships an update every 4 months, M19 Lab monthly. The most recent releases landed on September 9, 2026 and June 7, 2026 respectively.

Scorecard2 real differences ยท 4 level
DHC versus M19 Lab: the parameters behind the verdict, then further details
ParameterDHCM19 Lab
PriceFreeFree
Update frequencyEvery 4 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS11.0 โ€” better14.5
Further details โ€” not scored
Size80 MB71 MB
Age rating4+17+
DeveloperDHC Specialty Corp.Friendly It Solution

In-app purchases

None

DHC

No in-app purchases

None

M19 Lab

No in-app purchases

Questions

Is DHC free?
DHC is free to download, with no in-app purchases.
Is M19 Lab free?
M19 Lab is free to download, with no in-app purchases.
Do DHC or M19 Lab have ads?
Neither DHC nor M19 Lab shows ads.
Which is updated more often, DHC or M19 Lab?
DHC ships an update every 4 months, and M19 Lab monthly. Most recently, DHC was updated on September 9, 2026 and M19 Lab on June 7, 2026.

Other comparisons