# 2 Field % Calc vs CalcBoard

The clearest difference is rating: CalcBoard at 5.0 against 2 Field % Calc's 4.0. CalcBoard also leads on update cadence (every 3 months vs every 30 months). 2 Field % Calc's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. CalcBoard sells 1 one-off in-app purchase. 2 Field % Calc asks for nothing beyond the download.

CalcBoard holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

2 Field % Calc ships an update every 30 months, CalcBoard every 3 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | 2 Field % Calc | CalcBoard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/2-field-calc/id454060465/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calcboard-multi-calculator/id6759535339/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 50 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toshihiro Nakane](https://appshunter.io/developer/6799290769) | [Colby Clark](https://appshunter.io/developer/1110053823) |

## What reviewers say

### 2 Field % Calc

[App page](https://appshunter.io/ios/app/2-field-calc/id454060465)

Calculate percentages between two numbers for various uses, including resizing images and determining magnification. Ideal for DTP and web designers needing quick calculations.

**Highlights:** Calculate percent between two numbers, Image resizing by percentage, Magnification calculation, Useful for DTP and web designers

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcBoard

[App page](https://appshunter.io/ios/app/calcboard-multi-calculator/id6759535339)

Perform multiple calculations simultaneously on one screen, compare prices side-by-side, and access various modes like scientific and programmer. This ad-free utility offers precise results and stores your data locally.

**Highlights:** Multiple independent calculator panels, Side-by-side price comparison, Scientific, programmer, and unit converter modes, Visible expression history, Shared value tray for chaining calculations, Named variables for complex formulas, Ad-free and no tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcBoard Premium | $2.99 | one-time |


## Frequently asked questions

### Is 2 Field % Calc free?

2 Field % Calc is free to download, with no in-app purchases.

### Is CalcBoard free?

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

### Which has better reviews, 2 Field % Calc or CalcBoard?

CalcBoard is rated higher. 2 Field % Calc averages 4.0 out of 5 from 1 ratings, while CalcBoard averages 5.0 from 1 ratings.

### Do 2 Field % Calc or CalcBoard have ads?

Neither 2 Field % Calc nor CalcBoard shows ads.

### Which is updated more often, 2 Field % Calc or CalcBoard?

2 Field % Calc ships an update every 30 months, and CalcBoard every 3 months. Most recently, 2 Field % Calc was updated on October 28, 2026 and CalcBoard on October 28, 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.*