Comparison

Xwhy vs DAPY LIGHTS

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

Head to head
About

Xwhy

Features
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This research platform is focused on delivering a simple, a convenient and an effective way to understand human worlds better. As we respect personal data, the research app is a tool for a participant to indicate a perspective on a particular theme according to individual preferences. This direct-to-participant approach allows to conduct surveys and enables mobile ethnography with ease.

About

DAPY LIGHTS

Features
Read full description

Welcome to use our dot matrix screen control APP! This application is a device control application combined with hardware dot matrix screen. users can push the text content to be displayed to the hardware dot-matrix screen via wireless technology through this application, and display the text on the dot-matrix screen in real time We have designed a simple and easy-to-use APP for the hardware dot matrix screen. Users only need to connect the dot matrix screen with the mobile phone. Through this application, the control of the dot matrix screen can be realized, including multiple setting functions such as text content input and display switch. This application supports the IOS system and is launched in the APP store, looking forward to your experience.

Screenshots

Xwhy4 screens
DAPY LIGHTS4 screens

Verdict

The call

The clearest difference is update cadence: DAPY LIGHTS at every 2 weeks against Xwhy's every 3 months. 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

Xwhy ships an update every 3 months, DAPY LIGHTS every 2 weeks. The most recent releases landed on May 17, 2026 and May 16, 2026 respectively.

Scorecard1 real difference · 5 level
Xwhy versus DAPY LIGHTS: the parameters behind the verdict, then further details
ParameterXwhyDAPY LIGHTS
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.413.0 — better
Further details — not scored
Size16 MB68 MB
Age rating4+4+
DeveloperGRAPE MEDIA锐湖 陈

In-app purchases

None

Xwhy

No in-app purchases

None

DAPY LIGHTS

No in-app purchases

Questions

Is Xwhy free?
Xwhy is free to download, with no in-app purchases.
Is DAPY LIGHTS free?
DAPY LIGHTS is free to download, with no in-app purchases.
Do Xwhy or DAPY LIGHTS have ads?
Neither Xwhy nor DAPY LIGHTS shows ads.
Which is updated more often, Xwhy or DAPY LIGHTS?
Xwhy ships an update every 3 months, and DAPY LIGHTS every 2 weeks. Most recently, Xwhy was updated on May 17, 2026 and DAPY LIGHTS on May 16, 2026.

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