Comparison

Colorgen vs NativeScript Preview

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

Head to head

★ 4.85 ratingsView app →

About

Colorgen

Easily find HTML color codes by name or color. Get detailed color information including RGB, CMYK, and HSL values. Convert between decimal, binary, and hexadecimal formats.

Highlights

Search by HTML color code
Search by color name
View RGB, CMYK, HSL values
Convert between decimal, binary, hexadecimal
Web-safe color search

Read full description

In addition to searching for HTML color codes, you can also search by color name, web-safe color, and other categories. You can also check each color's RGB, CMYK, HSL, HSV, X11 name, and HTML color group. In addition, a function to convert between decimal, binary, and hexadecimal has been added.

About

NativeScript Preview

Instantly preview your NativeScript projects directly on your mobile device. See your native UI elements, from buttons to complex 2D/3D canvas renderings, come to life as you develop.

Highlights

Live preview on device
Native UI element rendering
2D canvas rendering
3D canvas rendering
Cross-platform development tool

Read full description

Preview NativeScript projects on your device – from basic native user interface elements like buttons, switches and sliders, to 2d/3d canvas renderings.

Screenshots

Colorgen2 screens

NativeScript Preview4 screens

Verdict

The call

The clearest difference is review sentiment: Colorgen at 100% against NativeScript Preview's 19%. NativeScript Preview's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (14.0 vs 18.6). On price, ads, in-app purchases and monetization model 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

Colorgen ships an update every 2 months, NativeScript Preview every 3 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level

Colorgen versus NativeScript Preview: the parameters behind the verdict, then further details
Parameter	Colorgen	NativeScript Preview
Price	Free	Free
Rating	—	4.8 (5 ratings) — better
Positive reviews	100.0% of reviews — better	19.4% of reviews
Number of ratings	—	5 — better
Update frequency	Every 2 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	Free
Devices	iPhone, iPad, Mac, Vision Pro	iPhone, iPad, iPod, Vision Pro
Requires iOS	18.6	14.0 — better
Further details — not scored
Size	5 MB	151 MB
Age rating	4+	4+
Developer	Kazuhisa Asakawa	nStudio LLC

Customer experience

Colorgen

Written reviews1 reviews

Positive100.0%

Neutral0.0%

Negative0.0%

NativeScript Preview

All ratings5 ratings

Positive100.0%

Neutral0.0%

Negative0.0%

Written reviews36 reviews

Positive19.4%

Neutral11.1%

Negative69.4%

In-app purchases

None

Colorgen

No in-app purchases

None

NativeScript Preview

No in-app purchases

Questions

Is Colorgen free?

Colorgen is free to download, with no in-app purchases.

Is NativeScript Preview free?

NativeScript Preview is free to download, with no in-app purchases.

Do Colorgen or NativeScript Preview have ads?

Neither Colorgen nor NativeScript Preview shows ads.

Which is updated more often, Colorgen or NativeScript Preview?

Colorgen ships an update every 2 months, and NativeScript Preview every 3 weeks. Most recently, Colorgen was updated on October 4, 2026 and NativeScript Preview on October 6, 2026.