# CalculateRetro vs tripleCalculator

The clearest difference is price: tripleCalculator at Free against CalculateRetro's $1.99. tripleCalculator also leads on review sentiment (100% vs 82%) and iOS requirement (10.0 vs 26.0). CalculateRetro's advantage is ads (none vs shown) and ratings volume (15 vs 5). On rating, update cadence, in-app purchases and device support there is nothing between them.

tripleCalculator is free to download; CalculateRetro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.5 for CalculateRetro against 4.6 for tripleCalculator. Both are backed by a comparable volume of ratings — 15 and 5 respectively. Written reviews are what separate them: 82% of CalculateRetro's written reviews are positive against 100% of tripleCalculator's.

CalculateRetro ships an update every 3 months, tripleCalculator every 4 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | CalculateRetro | tripleCalculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.5 (15 ratings)](https://appshunter.io/ios/app/calculateretro/id428851944/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/triplecalculator/id1141789970/reviews)** |
| Number of ratings | **15** | 5 |
| Positive reviews | 82.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free** | Ad-supported |
| Size | 16 MB | 6 MB |
| Requires iOS | 26.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hannes Sverrisson](https://appshunter.io/developer/428851947) | [Jirou Fukuda](https://appshunter.io/developer/689603483) |

## What reviewers say

### CalculateRetro

[App page](https://appshunter.io/ios/app/calculateretro/id428851944)

This app allows users to track all their calculations with features like a backspace key, history printing, and PDF export. It supports Apple Watch, dark mode, and customization of display and fonts. Calculations can be shared via email or saved for later access.

**Highlights:** Apple Watch calculator, Today View Extension, Printable/emailable calculation history, Backspace key for corrections, Customizable display and fonts, Dark mode support, Copy/paste functionality

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

**In-app purchases:** none


### tripleCalculator

[App page](https://appshunter.io/ios/app/triplecalculator/id1141789970)

This app consolidates three calculators into a single, convenient tool. Easily switch between calculators with a single touch and utilize calculation results across them. It features formula display, equation editing, a function calculator mode, and a history swipe function for easy recall.

**Highlights:** Three calculators in one, Easy calculator switching, Calculation results transferable, Formula display and editing, Function calculator mode (fx), History swipe function

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalculateRetro free?

CalculateRetro costs $1.99, with no in-app purchases.

### Is tripleCalculator free?

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

### Which has better reviews, CalculateRetro or tripleCalculator?

tripleCalculator is rated higher. CalculateRetro averages 4.5 out of 5 from 15 ratings, while tripleCalculator averages 4.6 from 5 ratings.

### Do CalculateRetro or tripleCalculator have ads?

tripleCalculator shows ads; CalculateRetro does not.

### Which is updated more often, CalculateRetro or tripleCalculator?

CalculateRetro ships an update every 3 months, and tripleCalculator every 4 months. Most recently, CalculateRetro was updated on November 1, 2026 and tripleCalculator on November 2, 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.*