# Disk Graph vs 12C Platinum Calculator

The clearest difference is price: 12C Platinum Calculator at Free against Disk Graph's $5.99. 12C Platinum Calculator also leads on rating (5.0 vs 4.2) and iOS requirement (15.6 vs 17.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

12C Platinum Calculator is free to download; Disk Graph costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

12C Platinum Calculator holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Disk Graph ships an update every 3 months, 12C Platinum Calculator every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Disk Graph | 12C Platinum Calculator |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/disk-graph/id697942581/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/12c-platinum-calculator/id1536689352/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 74.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Kick](https://appshunter.io/developer/583995254) | [国栋 焦](https://appshunter.io/developer/1466088185) |

## What reviewers say

### Disk Graph

[App page](https://appshunter.io/ios/app/disk-graph/id697942581)

Analyze your device's storage to identify large files and identify items not accessed recently. This utility helps you reclaim disk space by showing what's taking up the most room. Access directories directly through the Files app.

**Highlights:** Inspect disk usage, Find large files, Identify old files, Reclaim disk space, File access via Files app

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Disk Graph free?

Disk Graph costs $5.99, with no in-app purchases.

### Is 12C Platinum Calculator free?

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

### Which has better reviews, Disk Graph or 12C Platinum Calculator?

12C Platinum Calculator is rated higher. Disk Graph averages 4.2 out of 5 from 5 ratings, while 12C Platinum Calculator averages 5.0 from 2 ratings.

### Do Disk Graph or 12C Platinum Calculator have ads?

Neither Disk Graph nor 12C Platinum Calculator shows ads.

### Which is updated more often, Disk Graph or 12C Platinum Calculator?

Disk Graph ships an update every 3 months, and 12C Platinum Calculator every 2 months. Most recently, Disk Graph was updated on October 24, 2026 and 12C Platinum Calculator on October 27, 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.*