# CalculateRetro vs KdeMasAuto

The clearest difference is price: KdeMasAuto at Free against CalculateRetro's $1.99. KdeMasAuto also leads on iOS requirement (9.0 vs 26.0). CalculateRetro's advantage is update cadence (every 3 months vs every 87 months). On ads, in-app purchases and device support there is nothing between them.

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

CalculateRetro ships an update every 3 months, KdeMasAuto every 87 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CalculateRetro | KdeMasAuto |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/calculateretro/id428851944/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 87 months |
| Monetization | Free | — |
| Size | 16 MB | 14 MB |
| Requires iOS | 26.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hannes Sverrisson](https://appshunter.io/developer/428851947) | [ANTIK Telecom](https://appshunter.io/developer/766271812) |

## 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


### KdeMasAuto

[App page](https://appshunter.io/ios/app/kdemasauto/id977579549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalculateRetro free?

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

### Is KdeMasAuto free?

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

### Do CalculateRetro or KdeMasAuto have ads?

Neither CalculateRetro nor KdeMasAuto shows ads.

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

CalculateRetro ships an update every 3 months, and KdeMasAuto every 87 months. Most recently, CalculateRetro was updated on October 6, 2026 and KdeMasAuto on October 7, 2026.

---

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