# 2 Field % Calc vs CMCalc

The clearest difference is rating: CMCalc at 4.5 against 2 Field % Calc's 4.0. CMCalc also leads on ratings volume (6 vs 1) and iOS requirement (12.0 vs 15.6). 2 Field % Calc's advantage is review sentiment (100% vs 75%). On price, update cadence, ads 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.

CMCalc holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: CMCalc has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of 2 Field % Calc's written reviews are positive against 75% of CMCalc's, so the app with the better star average is not the one people write more warmly about.

2 Field % Calc ships an update every 30 months, CMCalc every 45 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 2 Field % Calc | CMCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/2-field-calc/id454060465/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 30 months** | Every 45 months |
| Monetization | Free | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Toshihiro Nakane](https://appshunter.io/developer/6799290769) | [William David](https://appshunter.io/developer/974432835) |

## 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


### CMCalc

[App page](https://appshunter.io/ios/app/cmcalc/id974432836)

This app emulates a classic 1980s computer math calculator, offering decimal arithmetic, binary conversions, and logic functions. It supports parentheses for complex calculations and includes modern features like copy/paste and landscape mode.

**Highlights:** Decimal arithmetic, Binary conversions (decimal, binary, octal, hexadecimal), Binary logic functions, Operator grouping with parentheses, Hexadecimal input (A-F), Copy and paste results/functions, Landscape mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 2 Field % Calc free?

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

### Is CMCalc free?

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

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

CMCalc is rated higher. 2 Field % Calc averages 4.0 out of 5 from 1 ratings, while CMCalc averages 4.5 from 6 ratings.

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

Neither 2 Field % Calc nor CMCalc shows ads.

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

2 Field % Calc ships an update every 30 months, and CMCalc every 45 months. Most recently, 2 Field % Calc was updated on October 6, 2026 and CMCalc on October 9, 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.*