Comparison

Colored Notes Simple vs purrify Smart pH Insight

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

Head to head
About

Colored Notes Simple

Organize your thoughts and reminders with a vibrant and intuitive note-taking experience. Customize your notes with colors and set timely notifications to never miss an appointment or task. Enjoy a simple yet engaging way to manage your daily information.

Highlights
  • Colorful note customization
  • Appointment and meeting tracking
  • Customizable notification reminders
  • Checklist functionality
  • Intuitive user interface
Features
Read full description

Colorful notes, shopping lists and reminders in one simple, fast app. Color Notes makes writing things down a pleasure: every note has its own color, you spot it at a glance in the grid, and reminders make sure you never forget anything. - Colors: give each note a color - groceries, work, ideas, home. - Checklists: turn a note into a list with one tap and tick off what is done. - Reminders: pick a date and time and get a notification at the right moment. - Pinned notes: keep the important ones always at the top. - Search: find any word in an instant. - 14 themes: gradients that change the look of the whole app. - Widget: your notes on the Home Screen, with a plus button to start a new one. - Text size: small, medium or large. - Sharing: send a note or a list with one tap. - Privacy: everything stays on your iPhone and iPad, no account needed. Remembering things has never been so much fun. Color Notes is free to download and use. Some extra features are available through an optional one-time in-app purchase: pay once and keep it forever, with no subscription and nothing that renews. Purchases are handled by the App Store and can be restored on any device signed in with the same Apple ID. Privacy: https://sites.google.com/site/termofuseapp/ Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

purrify Smart pH Insight

Features
Read full description

Purrify Smart pH Insight is the companion app for our innovative color-change cat litter. Easily log your cat’s urine pH, track long-term health trends, and manage multiple cats with personalized profiles. Stay informed with easy-to-read insights and helpful recommendations – all designed to support your cat’s well-being. Features: • Smart urine pH monitoring with instant color-change reference • Health trend charts to track your cat’s progress over time • Multi-cat profiles with individual pH logs • Clean, simple interface designed for cat owners

Screenshots

Colored Notes Simple4 screens
purrify Smart pH Insight4 screens

Verdict

The call

The clearest difference is in-app purchases: purrify Smart pH Insight at none against Colored Notes Simple's 1. purrify Smart pH Insight also leads on ads (none vs shown) and update cadence (every 5 days vs every 6 months). On price, device support and iOS requirement 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. Colored Notes Simple sells 1 one-off in-app purchase. purrify Smart pH Insight asks for nothing beyond the download.

UpkeepUpdate frequency

Colored Notes Simple ships an update every 6 months, purrify Smart pH Insight every 5 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Colored Notes Simple versus purrify Smart pH Insight: the parameters behind the verdict, then further details
ParameterColored Notes Simplepurrify Smart pH Insight
PriceFreeFree
Rating2.4 (5 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 6 monthsEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size6 MB22 MB
Age rating4+4+
Developerluca calcianoSPRINGDAWN PET SUPPLIES

In-app purchases

1 purchases

Colored Notes Simple

One-time1
  • Premium$2.99
None

purrify Smart pH Insight

No in-app purchases

Questions

Is Colored Notes Simple free?
Colored Notes Simple is free to download, with in-app purchases available.
Is purrify Smart pH Insight free?
purrify Smart pH Insight is free to download, with no in-app purchases.
Do Colored Notes Simple or purrify Smart pH Insight have ads?
Colored Notes Simple shows ads; purrify Smart pH Insight does not.
Which is updated more often, Colored Notes Simple or purrify Smart pH Insight?
Colored Notes Simple ships an update every 6 months, and purrify Smart pH Insight every 5 days. Most recently, Colored Notes Simple was updated on November 2, 2026 and purrify Smart pH Insight on October 30, 2026.

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