# Equal=It Unit Converter Plus vs CalPains

The clearest difference is price: CalPains at Free against Equal=It Unit Converter Plus's $2.99. Equal=It Unit Converter Plus's advantage is in-app purchases (none vs 4) and iOS requirement (17.0 vs 26.0). On update cadence, ads and device support there is nothing between them.

CalPains is free to download; Equal=It Unit Converter Plus costs $2.99 up front. CalPains sells 4 in-app purchases, starting at $5.99 per month. Equal=It Unit Converter Plus asks for nothing beyond the download.

Equal=It Unit Converter Plus ships an update every 5 weeks, CalPains monthly. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Equal=It Unit Converter Plus | CalPains |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (96 ratings)](https://appshunter.io/ios/app/equalit-unit-converter-plus/id769120174/reviews)** | — |
| Number of ratings | **96** | — |
| Positive reviews | 96.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 7 MB | 36 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [monkeyLabs Inc.](https://appshunter.io/developer/353063678) | [Adrien GAILLET](https://appshunter.io/developer/1213460842) |

## What reviewers say

### Equal=It Unit Converter Plus

[App page](https://appshunter.io/ios/app/equalit-unit-converter-plus/id769120174)

This app is a comprehensive unit conversion tool supporting a wide range of categories including length, weight, currency, and chemistry. It offers an intuitive interface with features like favorite conversions for quick access and a built-in calculator. Optimized for various Apple devices, it aims to simplify everyday calculations.

**Highlights:** Multiple conversion types, Favorite conversions, Built-in calculator, Supports over 160 currencies, Weight to Volume conversion with specific gravity, Direct developer support

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and easy-to-use interface
- 🚀 Fast and efficient conversions
- 📚 Comprehensive range of conversion categories
- ⭐ Ability to convert multiple units simultaneously
- ❤️ Favorites/bookmarking feature for frequent conversions

**What reviewers complain about**

- 🐛 App crashes or becomes unresponsive
- 🐛 Keyboard input duplication issues
- 🐛 Incorrect conversion calculations
- 🐛 UI elements partially cut off screen
- ⚠️ Lack of app updates (2+ years without updates)

**Reported bugs**

- Categories button not responding to clicks
- Keyboard input duplicating on single tap
- Top navigation icons partially cut off screen
- Incorrect cooking measurement conversions (6 teaspoons = 96 cups)
- App page appearing and disappearing when selecting categories

**Requested features**

- Fraction support for Imperial measurements
- Copy results to clipboard functionality
- Reverse/swap comparison button for quick unit switching
- App remembering user's preferred unit selections
- Additional unit conversions (Viss to pounds, ticals)


### CalPains

[App page](https://appshunter.io/ios/app/calpains/id6755204620)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Essentials monthly | $5.99 | per month |
| Team monthly | $14.99 | per month |
| Essentials yearly | $59.99 | per year |
| Team yearly | $149.99 | per year |


## Frequently asked questions

### Is Equal=It Unit Converter Plus free?

Equal=It Unit Converter Plus costs $2.99, with no in-app purchases.

### Is CalPains free?

CalPains is free to download, with in-app purchases available.

### Do Equal=It Unit Converter Plus or CalPains have ads?

Neither Equal=It Unit Converter Plus nor CalPains shows ads.

### Which is updated more often, Equal=It Unit Converter Plus or CalPains?

Equal=It Unit Converter Plus ships an update every 5 weeks, and CalPains monthly. Most recently, Equal=It Unit Converter Plus was updated on October 20, 2026 and CalPains on October 6, 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.*