# Calculator Max vs Disk Graph

The clearest difference is price: Calculator Max at Free against Disk Graph's $5.99. Calculator Max also leads on ratings volume (1.8K vs 5) and iOS requirement (15.0 vs 17.0). Disk Graph's advantage is in-app purchases (none vs 2) and review sentiment (74% vs 55%). On rating, update cadence, ads and device support there is nothing between them.

Calculator Max is free to download; Disk Graph costs $5.99 up front. Calculator Max sells 2 in-app purchases, starting at $4.99 per year. Disk Graph asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Calculator Max against 4.2 for Disk Graph. That said, the two scores are not equally well evidenced: Calculator Max has 1.8K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 55% of Calculator Max's written reviews are positive against 74% of Disk Graph's.

Calculator Max ships an update every 2 months, Disk Graph every 3 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Calculator Max | Disk Graph |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.3 (1.8K ratings)](https://appshunter.io/ios/app/calculator-max/id364905554/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/disk-graph/id697942581/reviews) |
| Number of ratings | **1.8K** | 5 |
| Positive reviews | 55.2% of reviews | **74.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 126 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Kozarek](https://appshunter.io/developer/303215376) | [Nicolas Kick](https://appshunter.io/developer/583995254) |

## What reviewers say

### Calculator Max

[App page](https://appshunter.io/ios/app/calculator-max/id364905554)

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific functions. It features a history tape for easy access and reuse of entries, and a unique scribble pad for handwritten notes and equation solving on iPads. Enjoy a clean interface, multitasking support, and customizable themes.

**Highlights:** Basic and scientific calculators, History tape with export options, Handwritten notes and equation solving, Multitasking support on iPad, Customizable themes and app icons, Home Screen and Lock Screen widgets

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Max Pro | $4.99 | per year |
| Calculator Max Pro | $3.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 📝 Useful note-taking feature
- 💾 Tape/history feature
- 👍 Clean and intuitive interface
- 🎨 Customizable appearance

**What reviewers complain about**

- 🐛 Compatibility issues with newer iOS versions
- 📤 Lack of export/sharing options for tape/history
- 🔍 Difficulty finding settings
- 🔀 Sensitive orientation switching

**Reported bugs**

- Crashes after iOS 26 update
- Tape not visible/functional on iPhone
- Calculator buttons/layout issues in split-screen mode

**Requested features**

- Left-handed mode
- Backspace/edit functionality
- Scientific calculator mode with tape
- Tape annotation/labeling
- Cloud/Dropbox sync for tape


### 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


## Frequently asked questions

### Is Calculator Max free?

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

### Is Disk Graph free?

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

### Which has better reviews, Calculator Max or Disk Graph?

Calculator Max is rated higher. Calculator Max averages 4.3 out of 5 from 1.8K ratings, while Disk Graph averages 4.2 from 5 ratings.

### Do Calculator Max or Disk Graph have ads?

Neither Calculator Max nor Disk Graph shows ads.

### Which is updated more often, Calculator Max or Disk Graph?

Calculator Max ships an update every 2 months, and Disk Graph every 3 months. Most recently, Calculator Max was updated on September 25, 2026 and Disk Graph on September 21, 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.*