# Calculator Plus v2 vs Octodecuple Calc

The clearest difference is ads: Calculator Plus v2 at none against Octodecuple Calc's shown. Calculator Plus v2 also leads on device support (5 vs 3) and iOS requirement (12.0 vs 15.8.3). Octodecuple Calc's advantage is update cadence (every 2 weeks vs every 2 months). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator Plus v2 ships an update every 2 months, Octodecuple Calc every 2 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Calculator Plus v2 | Octodecuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (131 ratings)](https://appshunter.io/ios/app/calculator-plus-v2/id1181465428/reviews)** | — |
| Number of ratings | **131** | — |
| Positive reviews | 89.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 14 MB | 36 MB |
| Requires iOS | **12.0** | 15.8.3 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wern Jie Lim](https://appshunter.io/developer/1032934247) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Calculator Plus v2

[App page](https://appshunter.io/ios/app/calculator-plus-v2/id1181465428)

This app offers a powerful yet simple calculator experience, combining standard and scientific functions with live previews and error hints. It supports various input methods, including hardware keyboards and Apple Pencil, and provides multiple display formats for clear understanding of calculations.

**Highlights:** Standard and scientific calculator, Live expression and answer preview, Multiple display formats, Hardware keyboard support, Apple Pencil Scribble support, Bi-directional clipboard support, Syntax error hints

**In-app purchases:** none

**What reviewers like**

- 👍 Looks like the stock app
- 🚀 Fast and responsive
- 🔒 No ads or in-app purchases
- 👍 Clean and intuitive UI
- 👍 Familiar calculator layout

**What reviewers complain about**

- 🐛 Occasional crashes or disappearing from dock
- 🐛 Incorrect percentage calculations
- 🐛 Inconsistent behavior with order of operations
- 🔍 History tape not visible during calculations
- 🔍 No option to set number of decimal places

**Reported bugs**

- Crashes after recent update
- Incorrect results for some calculations
- Keyboard input not working as expected

**Requested features**

- Add widget support
- Implement iCloud sync for history
- Provide light/dark mode options
- Allow customization of button layout
- Add unit conversion tools


### Octodecuple Calc

[App page](https://appshunter.io/ios/app/octodecuple-calc/id6742386286)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus v2 free?

Calculator Plus v2 is free to download, with no in-app purchases.

### Is Octodecuple Calc free?

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

### Do Calculator Plus v2 or Octodecuple Calc have ads?

Octodecuple Calc shows ads; Calculator Plus v2 does not.

### Which is updated more often, Calculator Plus v2 or Octodecuple Calc?

Calculator Plus v2 ships an update every 2 months, and Octodecuple Calc every 2 weeks. Most recently, Calculator Plus v2 was updated on October 16, 2026 and Octodecuple Calc on October 10, 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.*