Comparison

Xwhy vs Gradual Nightlight

Price, ratings, monetisation and update history for both apps, side by side β€” 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

Gradual Nightlight

Features
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Revolutionize bedtime routines for babies, toddlers, and parents with this innovative app. As a new dad, I’ve experienced the bedtime challenges firsthand, inspiring me to create this app. Utilize your phone as a versatile toolβ€”a reading light during story time, a nightlight for a peaceful sleep, and now introducing our newest feature: soothing green noise. What makes this app stand out: β€’ Gradual screen dimming with adjustable speed for a seamless transition from awake to sleep. β€’ User-friendly interface with large buttons and speed indicators, designed for easy use, even with your hands full. β€’ Calming shift from white light to red light, aiding relaxation while preserving night vision. β€’ Plan your evenings effectively with estimated lights-out time for better scheduling. β€’ Optional parental lock mode prevents accidental adjustments by curious little hands. β€’ Enjoy a seven-day free preview to explore all features. New Feature: Green Noise β€’ Embrace the calming influence of green noise, an addition that enhances relaxation and promotes a peaceful sleep environment for your child. Crafted with parental needs at its core, this app enables you to prioritize your child’s comfort over lighting concerns. Say farewell to bedtime stress and welcome relaxing nights!

Screenshots

Xwhy4 screens
Gradual Nightlight4 screens

Verdict

The call

The clearest difference is in-app purchases: Xwhy at none against Gradual Nightlight's 1. Xwhy also leads on iOS requirement (13.4 vs 16.0). Gradual Nightlight's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads 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. Gradual Nightlight sells 1 one-off in-app purchase. Xwhy asks for nothing beyond the download.

UpkeepUpdate frequency

Xwhy ships an update every 3 months, Gradual Nightlight every 2 weeks. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

Scorecard3 real differences Β· 3 level
Xwhy versus Gradual Nightlight: the parameters behind the verdict, then further details
ParameterXwhyGradual Nightlight
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.4 β€” better16.0
Further details β€” not scored
Size16 MB3 MB
Age rating4+4+
DeveloperGRAPE MEDIAAlterscope Solutions LLC

In-app purchases

None

Xwhy

No in-app purchases

1 purchases

Gradual Nightlight

One-time1
  • Gradual Nightlight: US English$0.99

Questions

Is Xwhy free?
Xwhy is free to download, with no in-app purchases.
Is Gradual Nightlight free?
Gradual Nightlight is free to download, with in-app purchases available.
Do Xwhy or Gradual Nightlight have ads?
Neither Xwhy nor Gradual Nightlight shows ads.
Which is updated more often, Xwhy or Gradual Nightlight?
Xwhy ships an update every 3 months, and Gradual Nightlight every 2 weeks. Most recently, Xwhy was updated on September 30, 2026 and Gradual Nightlight on October 10, 2026.

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