# Plusly Calculator vs calculator DUO

Plusly Calculator and calculator DUO both sit at 5.0 stars, but that hides the real split: 100% of calculator DUO's written reviews are positive against 50% of Plusly Calculator's. calculator DUO also leads on update cadence (every 10 days vs monthly) and ratings volume (3 vs 1). Plusly Calculator's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.5). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Plusly Calculator sells 2 in-app purchases, starting at $1.49 per year and calculator DUO sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Plusly Calculator against 5.0 for calculator DUO. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 50% of Plusly Calculator's written reviews are positive against 100% of calculator DUO's.

Plusly Calculator ships an update monthly, calculator DUO every 10 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Plusly Calculator | calculator DUO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/plusly-calculator/id1576071621/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/calculator-duo/id6739860116/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 4 MB | 18 MB |
| Requires iOS | **13.0** | 16.5 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emmanuel Vizcarra](https://appshunter.io/developer/1576071623) | [Wenbin lei](https://appshunter.io/developer/1787331500) |

## What reviewers say

### Plusly Calculator

[App page](https://appshunter.io/ios/app/plusly-calculator/id1576071621)

This redesigned calculator offers advanced functions and intuitive gestures for quick calculations. It includes specialized tools for calculating tips and discounts, along with trigonometric and logarithmic operations. Enjoy a clean interface with smooth animations and haptic feedback.

**Highlights:** Magic cursor for on-the-fly editing, Tip and discount calculators, Advanced trigonometric and logarithmic functions, Natural gesture controls, Haptic feedback and smooth animations, Shareable results

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plusly Pro | $1.49 | per year |
| Plusly Pro Lifetime | $3.99 | one-time |


### calculator DUO

[App page](https://appshunter.io/ios/app/calculator-duo/id6739860116)

This utility app allows for comfortable one-handed calculations by letting you reposition the keypad. It also provides features to save and reuse past answers, correct input with a swipe, and handle both everyday and scientific calculations, including date and time functions.

**Highlights:** One-handed keypad repositioning, Save and reuse past answers, Swipe to delete/correct input, Everyday and scientific functions, Date and time calculations, Customizable themes and display

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Plusly Calculator free?

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

### Is calculator DUO free?

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

### Which has better reviews, Plusly Calculator or calculator DUO?

Plusly Calculator and calculator DUO are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Plusly Calculator or calculator DUO have ads?

calculator DUO shows ads; Plusly Calculator does not.

### Which is updated more often, Plusly Calculator or calculator DUO?

Plusly Calculator ships an update monthly, and calculator DUO every 10 days. Most recently, Plusly Calculator was updated on November 3, 2026 and calculator DUO on November 4, 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.*