# RainbowCalc vs TimeMinSecCal

The clearest difference is ads: TimeMinSecCal at none against RainbowCalc's shown. TimeMinSecCal also leads on monetization model (free vs ad-supported). RainbowCalc's advantage is update cadence (fortnightly vs every 6 months). 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.

RainbowCalc ships an update fortnightly, TimeMinSecCal every 6 months. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | RainbowCalc | TimeMinSecCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/rainbowcalc/id6479331134/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Ad-supported | **Free** |
| Size | 34 MB | 1 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andre Silva](https://appshunter.io/developer/1719182490) | [Wei-Che Ding](https://appshunter.io/developer/1547222378) |

## What reviewers say

### 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


### TimeMinSecCal

[App page](https://appshunter.io/ios/app/timeminseccal/id6736974393)

This tool offers precise calculations for hours, minutes, and seconds, including base-60 time. It supports immediate addition, subtraction, multiplication, and division of time durations. Users can store sectional calculations for future reference and use division to determine speech or interview lengths.

**Highlights:** Hour, minute, and second calculations, Base-60 time calculations, Immediate +, -, ×, ÷ operations, Sectional calculation storage, Division for duration analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is RainbowCalc free?

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

### Is TimeMinSecCal free?

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

### Do RainbowCalc or TimeMinSecCal have ads?

RainbowCalc shows ads; TimeMinSecCal does not.

### Which is updated more often, RainbowCalc or TimeMinSecCal?

RainbowCalc ships an update fortnightly, and TimeMinSecCal every 6 months. Most recently, RainbowCalc was updated on October 27, 2026 and TimeMinSecCal on October 18, 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.*