EazyCalc vs RainbowCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EazyCalc
A minimalist calculator app designed for ease of use with smart features. It offers an intelligent calculation display and an annotation feature to track results for each section of a calculation.
- Minimalist and smart design
- Intelligent calculation display
- Calculation tree for tracking results
- Annotation feature
- Free to use
Read full descriptionHide full description
EazyCalc is a minimalist calculator app with smart and convenient features. Features: - Minimal & smart design makes it easy to use. - Intelligent calculation display, making it easy to keep track of what is entered. - Annotion: the calculation tree helps users track and view results for each section. Click on "calculation display" section to show annotion. - Font options (next version). If you have anything interesting to make the app better, contact me at admin@puzzlelite.net
RainbowCalc
This calculator app offers extensive customization with a wide color picker for backgrounds and keys, enhancing usability and accessibility. It includes a calculation history with sharing options and supports basic arithmetic, percentages, and square roots.
- Customizable background and key colors
- Advanced color picker
- Calculation history
- Share calculations
- Basic operations
- Percentage calculations
- Square root calculations
Read full descriptionHide full description
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 rating: EazyCalc at 4.9 against RainbowCalc's 3.5. EazyCalc also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
EazyCalc holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: EazyCalc has 12 ratings behind it against 2, so its average is the more settled of the two.
EazyCalc ships an update every 2 weeks, RainbowCalc fortnightly. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.
| Parameter | EazyCalc | RainbowCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (12 ratings) — better | 3.5 (2 ratings) |
| Number of ratings | 12 — better | 2 |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | TA MINH QUANG | Andre Silva |
In-app purchases
EazyCalc
No in-app purchases
RainbowCalc
No in-app purchases
