# Bright Calc vs RainbowCalc

The clearest difference is rating: Bright Calc at 4.8 against RainbowCalc's 2.0. Bright Calc also leads on ads (none vs shown) and monetization model (free vs ad-supported). RainbowCalc's advantage is update cadence (fortnightly vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bright Calc holds the better App Store score, 4.8 against 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Bright Calc ships an update monthly, RainbowCalc fortnightly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Bright Calc | RainbowCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/bright-calc/id1567833495/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/rainbowcalc/id6479331134/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Upside Software](https://appshunter.io/developer/1493098495) | [Andre Silva](https://appshunter.io/developer/1719182490) |

## What reviewers say

### Bright Calc

[App page](https://appshunter.io/ios/app/bright-calc/id1567833495)

This calculator app offers extensive customization options, allowing users to personalize its appearance and functionality. Tailor button styles, color schemes, and more to create a calculator that perfectly suits your preferences and workflow.

**Highlights:** Customizable colors, Customizable button types, Personalized appearance, Tailored functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### RainbowCalc

[App page](https://appshunter.io/ios/app/rainbowcalc/id6479331134)

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.

**Highlights:** Customizable background and key colors, Advanced color picker, Calculation history, Share calculations, Basic operations, Percentage calculations, Square root calculations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bright Calc free?

Bright Calc is free to download, with no in-app purchases.

### Is RainbowCalc free?

RainbowCalc is free to download, with no in-app purchases.

### Which has better reviews, Bright Calc or RainbowCalc?

Bright Calc is rated higher. Bright Calc averages 4.8 out of 5 from 4 ratings, while RainbowCalc averages 2.0 from 1 ratings.

### Do Bright Calc or RainbowCalc have ads?

RainbowCalc shows ads; Bright Calc does not.

### Which is updated more often, Bright Calc or RainbowCalc?

Bright Calc ships an update monthly, and RainbowCalc fortnightly. Most recently, Bright Calc was updated on October 24, 2026 and RainbowCalc on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*