Disk Graph vs 12C Platinum Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Disk Graph
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.
- Inspect disk usage
- Find large files
- Identify old files
- Reclaim disk space
- File access via Files app
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Inspect your disk and find the files that occupy the most space or that haven’t been modified in a long time. Only directories reachable in the Files app can be opened.
12C Platinum Calculator
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.
- 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
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Financial calculator includes more than 120 built-in functions and allows 20 different cash flows for internal rate of return and net present values. Calculate loan and mortgage payments, convert interest rates, and figure bond prices and yields. RPN keystrokes optimize data entry and calculation performance. Program up to 99 keystrokes into memory and then execute with the push of a single button. Other functions include depreciation, percent change, cumulative statistical analysis, standard deviation, mean, weighted mean, linear regression, forecasting, correlation coefficient, date arithmetic, undo and backspace keys. Number of Display Lines: 1 Number of Display Digits: 10 Number of Functions: 120 Operations/Functionality: - Accounting - Banking - Business Studies - Finance - Real Estate
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Disk Graph | 12C Platinum Calculator |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 4.2 (5 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 74.5% of reviews | — |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 8 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicolas Kick | 国栋 焦 |
Customer experience
Disk Graph
12C Platinum Calculator
In-app purchases
Disk Graph
No in-app purchases
12C Platinum Calculator
No in-app purchases
Questions
Is Disk Graph free?
Is 12C Platinum Calculator free?
Which has better reviews, Disk Graph or 12C Platinum Calculator?
Do Disk Graph or 12C Platinum Calculator have ads?
Which is updated more often, Disk Graph or 12C Platinum Calculator?
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