RainbowCalc vs Taskly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
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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.
Taskly
A straightforward to-do list app that allows users to quickly add tasks by typing or speaking. It offers a clean interface, offline functionality, and privacy by saving data only on the device. The app supports multiple languages and themes.
- Add tasks by typing or voice
- Offline functionality
- No account required
- Minimalist interface
- Light, dark, and system themes
- Multi-language support
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Taskly is a simple to do list for people who just want to write down their tasks and check them off. No account, no ads, no learning curve: open the app, type or speak your task, and you're done. ADD TASKS IN SECONDS Type a task and tap Add, or tap the microphone and say it out loud: voice input turns your words into text instantly. Your checklist is automatically organized by day, so today's to-dos stay on top and previous days are just a scroll away. TAP TO CHECK, HOLD TO COPY Tap a task to mark it done, tap again to undo. Long press to copy its text, or tap the delete icon to remove it. Subtle haptic feedback confirms every action. A MINIMALIST TO DO LIST No projects, no tags, no complicated settings. Just a clean, fast task list that stays out of your way. Use it as a daily checklist, a grocery or shopping list, a list of errands and chores, or a quick notepad for things you don't want to forget. MADE FOR YOU • Light, dark or system theme • 11 languages: English, French, Spanish, German, Italian, Portuguese, Russian, Chinese, Japanese, Korean and Arabic • Gregorian or Hijri calendar dates, or both side by side • Option to open the keyboard at launch for even faster entry • Designed for iPhone and iPad OFFLINE AND PRIVATE Taskly works offline. Your tasks are saved only on your device: no sign-up, no cloud sync, no ads. We only collect basic usage statistics to improve the app. Voice input uses your device's speech recognition service, which may require a connection. Taskly is free. If it helps you get things done, a review means a lot, and you can vote for upcoming features directly from the app.
Screenshots
Verdict
The clearest difference is rating: Taskly at 4.0 against RainbowCalc's 2.0. Taskly also leads on ads (none vs shown) and monetization model (free vs ad-supported). RainbowCalc's advantage is update cadence (fortnightly vs every 2 months). On price, ratings volume, 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.
Taskly holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
RainbowCalc ships an update fortnightly, Taskly every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | RainbowCalc | Taskly |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 4.0 (2 ratings) — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 34 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Andre Silva | Kamel Djaber |
In-app purchases
RainbowCalc
No in-app purchases
Taskly
No in-app purchases









