# 12C Platinum Calculator vs Ruler

12C Platinum Calculator and Ruler are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | 12C Platinum Calculator | Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/12c-platinum-calculator/id1536689352/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 5 MB | 28 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国栋 焦](https://appshunter.io/developer/1466088185) | [Al-rahaal Explorer For General Trading, Training And Development Company](https://appshunter.io/developer/1015710320) |

## What reviewers say

### 12C Platinum Calculator

[App page](https://appshunter.io/ios/app/12c-platinum-calculator/id1536689352)

This financial calculator offers over 120 built-in functions for complex calculations like IRR and NPV. It supports RPN entry, programming custom keystrokes, and includes features for loan payments, interest rate conversions, bond pricing, and statistical analysis.

**Highlights:** 120+ built-in financial functions, RPN keystroke entry, Programmable keystrokes (up to 99), Loan and mortgage payment calculations, Bond price and yield calculations, Statistical analysis and forecasting

**Features:** macOS Compatibility

**In-app purchases:** none


### Ruler

[App page](https://appshunter.io/ios/app/ruler/id6789526671)

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

**In-app purchases:** none


## Frequently asked questions

### Is 12C Platinum Calculator free?

12C Platinum Calculator is free to download, with no in-app purchases.

### Is Ruler free?

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

### Do 12C Platinum Calculator or Ruler have ads?

Neither 12C Platinum Calculator nor Ruler shows ads.

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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.*