Comparison

Gradient Image Generator vs Koko Messages

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

Head to head
About

Gradient Image Generator

Easily create custom gradient images with CSS, SVG, or image file outputs. Adjust colors, angles, dimensions, and zoom for precise visual effects. Save directly to your device or copy code for web design.

Highlights
  • Generate CSS, SVG, and image gradients
  • Set 2-12 custom colors and positions
  • Adjust gradient orientation and angle
  • Define image dimensions up to 8000 pixels
  • Instant preview for precise results
  • Save images or copy code to clipboard
Features
Read full description

Gradient Image Generator generate 3 types of gradient image. CSS3 Codes, SVG Codes and Images. with instant previewing so you get exactly what you had in mind. Generate a linear gradient and save it as an image, css code or sag code. You can set the dimensions for the image, the colors, the orientation and the zoom of the gradient. Features: - Able to set number of colours from 2 to 12 - Able to set custom colour for each node - Able to set colour node position - Able to set Gradient orientation such as horizontal, vertical, 30°, 45° or custom angle - Able to set image size range from 5 to 8000 pixels in rectangular shape - Lightweight app with a small size, optimized for everyday use Saving options: - Save generate Gradient Image to camera roll - Copy generate CSS 3 Code into clipboard and paste into any html app you desire - Copy generate SVG Code into clipboard and paste into any app you desire Gradient images are used everywhere in web page design, background design. Eg, it can be use as the background buttons, html table, DIVs, to act as shadows and other interesting visual effects etc. In computer graphics, a color gradient specifies a range of position-dependent colors, usually used to fill a region. For example, many window managers allow the screen background to be specified as a gradient. The colors produced by a gradient vary continuously with position, producing smooth color transitions. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

Koko Messages

Leave messages tied to specific real-world locations. Recipients will only see your message when they are physically present at that spot. It's a unique way to share reminders, surprises, or memories with yourself or others.

Highlights
  • Leave messages at real-world locations
  • Messages appear when recipients are nearby
  • Set proximity for message visibility
  • Leave reminders for yourself or friends
  • Surprise friends with location-based messages
  • Capture memories tied to specific places
  • Revisit your past messages from your profile
Features
Read full description

Koko lets you drop messages at real places. For yourself. For friends. Or for anyone nearby. They appear when the right person arrives. Koko is a place-based messaging app built around real presence. Drop a message at the place you’re actually at. Choose how close someone needs to be to see it. When they enter that range, your message appears. Use Koko to: • Leave reminders for your future self or friends • Surprise friends when they arrive • Share something helpful at a place you love • Capture memories tied to where they happened Kokos are meant to be created from where you stand. That keeps messages connected to real places and real moments. And even when you’re far away, you can revisit your own kokos from your profile, a personal record of the places you’ve been. Download Koko now and start leaving messages where they matter.

Screenshots

Gradient Image Generator4 screens
Koko Messages4 screens

Verdict

The call

The clearest difference is review sentiment: Koko Messages at 100% against Gradient Image Generator's 0%. Koko Messages also leads on price (Free vs $2.99) and update cadence (every 2 months vs every 40 months). Gradient Image Generator's advantage is device support (3 vs 1) and iOS requirement (13 vs 17.0). On ads and in-app purchases 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

Koko Messages is free to download; Gradient Image Generator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Koko Messages holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews point the same way: 0% of Gradient Image Generator's written reviews are positive against 100% of Koko Messages's.

UpkeepUpdate frequency

Gradient Image Generator ships an update every 40 months, Koko Messages every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 2 level
Gradient Image Generator versus Koko Messages: the parameters behind the verdict, then further details
ParameterGradient Image GeneratorKoko Messages
Price$2.99Free — better
Rating4.7 (3 ratings)4.9 (11 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings311 — better
Update frequencyEvery 40 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13 — better17.0
Further details — not scored
Size2 MB4 MB
Age rating4+12+
DeveloperNitrioKokoSphere LLC

Customer experience

Gradient Image Generator

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Koko Messages

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Gradient Image Generator

No in-app purchases

None

Koko Messages

No in-app purchases

Questions

Is Gradient Image Generator free?
Gradient Image Generator costs $2.99, with no in-app purchases.
Is Koko Messages free?
Koko Messages is free to download, with no in-app purchases.
Which has better reviews, Gradient Image Generator or Koko Messages?
Koko Messages is rated higher. Gradient Image Generator averages 4.7 out of 5 from 3 ratings, while Koko Messages averages 4.9 from 11 ratings.
Do Gradient Image Generator or Koko Messages have ads?
Neither Gradient Image Generator nor Koko Messages shows ads.
Which is updated more often, Gradient Image Generator or Koko Messages?
Gradient Image Generator ships an update every 40 months, and Koko Messages every 2 months. Most recently, Gradient Image Generator was updated on November 3, 2026 and Koko Messages on October 30, 2026.

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