Comparison

KEYVOX Check vs TK Smart Battery

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

Head to head
About

KEYVOX Check

Features
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This is a tablet check-in service for hotel, hostel and private accommodation owner for KEYVOX LaaP service and KEYVOX smart locks. It can provide entire check-in process including identification, getting PIN code and sharing app key for guests. It is easy, turn-key solution for your accommodations.

About

TK Smart Battery

Features
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The smart battery pack has a built-in remote bluetooth module, which connects to the mobile phone via bluetooth to the app, and the app can read the following information: 1. The working status of the battery pack: charging point, discharging, working voltage, current, temperature, remaining power, etc.; 2. Protection information such as overvoltage, undervoltage, overcurrent, and overtemperature; 3. The number of battery cells, the voltage and release of each battery cell; 4. Hardware short-circuit and delay, equalized turn-on voltage; 5. Threshold setting of remaining power and temperature reminder, below the set threshold, you will receive a reminder; 6. The battery charging converter can be controlled;

Screenshots

KEYVOX Check3 screens
TK Smart Battery3 screens

Verdict

The call

The clearest difference is update cadence: TK Smart Battery at every 6 weeks against KEYVOX Check's every 4 months. TK Smart Battery also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

KEYVOX Check ships an update every 4 months, TK Smart Battery every 6 weeks. Both last shipped on November 7, 2026.

Scorecard2 real differences Β· 4 level
KEYVOX Check versus TK Smart Battery: the parameters behind the verdict, then further details
ParameterKEYVOX CheckTK Smart Battery
PriceFreeFree
Update frequencyEvery 4 monthsEvery 6 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS12.09.0 β€” better
Further details β€” not scored
Size21 MB30 MB
Age rating4+4+
DeveloperBlockchain Lock Inc.εΊ”εˆš 郑

In-app purchases

None

KEYVOX Check

No in-app purchases

None

TK Smart Battery

No in-app purchases

Questions

Is KEYVOX Check free?
KEYVOX Check is free to download, with no in-app purchases.
Is TK Smart Battery free?
TK Smart Battery is free to download, with no in-app purchases.
Do KEYVOX Check or TK Smart Battery have ads?
Neither KEYVOX Check nor TK Smart Battery shows ads.
Which is updated more often, KEYVOX Check or TK Smart Battery?
KEYVOX Check ships an update every 4 months, and TK Smart Battery every 6 weeks. Most recently, KEYVOX Check was updated on November 7, 2026 and TK Smart Battery on November 7, 2026.

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