Note vs RainbowCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Note
A straightforward and effective application for capturing your thoughts and ideas. It offers a clean interface for jotting down notes quickly and efficiently.
- Simple interface
- Powerful note-taking
- Quick idea capture
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We got a simple yet powerful notes app
RainbowCalc
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It has large numbers for easy visualization and better usability and accessibility! Easy to use and with easily readable characters! With this customizable calculator, it is possible to change the background and numeric key colors to the ones you like the most, bringing more visual comfort to the user. Thanks to the advanced color picker, you can choose any color! Combine colors with your phone case or device color, stand out with your unique customization. No more limited themes and colors chosen for you! Choose your favorite theme yourself. It also features a history of all calculations, where you can delete them individually or all at once, and the ability to share a calculation via messaging apps. Download this great, lightweight, beautiful, and personalized calculator for free now. • All colors are possible! • Combine colors with your style. • Calculation history and sharing. • Basic operations. • Percentage calculations. • Square root calculations.
Screenshots
Verdict
The clearest difference is in-app purchases: RainbowCalc at none against Note's 1. RainbowCalc also leads on update cadence (fortnightly vs every 4 months). Note's advantage is ads (none vs shown) and iOS requirement (7.0 vs 15.1). On price 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
Both are free to download. Note sells 1 one-off in-app purchase. RainbowCalc asks for nothing beyond the download.
Note ships an update every 4 months, RainbowCalc fortnightly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | Note | RainbowCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 8.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 14 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Orgajja Co Ltd | Andre Silva |
In-app purchases
Note
- Upgrade$1.99
RainbowCalc
No in-app purchases
