# SuperCALC vs Df

The clearest difference is review sentiment: SuperCALC at 100% against Df's 67%. SuperCALC also leads on iOS requirement (12.2 vs 15.6). Df's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SuperCALC ships an update every 3 months, Df every 3 weeks. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SuperCALC | Df |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/supercalc/id566387194/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 47 MB | 136 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SuperSystems, Inc.](https://appshunter.io/developer/566387197) | [Nishant Srivastav](https://appshunter.io/developer/1252544397) |

## What reviewers say

### SuperCALC

[App page](https://appshunter.io/ios/app/supercalc/id566387194)

This utility app provides specialized calculators for industrial furnaces. It helps determine key parameters like %Carbon, Dew Point, and %Oxygen, and also assists with generator air and gas flow calculations.

**Highlights:** Industrial furnace calculations, %Carbon, Dew Point, %Oxygen calculator, IR 3-gas calculator, Endothermic generator calculator, Air flow and gas flow calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Df

[App page](https://appshunter.io/ios/app/df-os/id1458479861)

This app digitizes and digitalizes shopfloor manufacturing operations. It uses deep-tech capabilities like BPM, IoT, and AI/ML to manage complex processes, offering a no-code UI for business process definition and business intelligence. It supports various departments and includes a tool for achieving company sustainability goals.

**Highlights:** Shopfloor digitization, BPM, IoT, AI/ML integration, No-code UI for business processes, Business Intelligence (BI), Supports Production, Quality, Safety, Maintenance, Utility, Store departments, ESG tool for sustainability goals

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

**In-app purchases:** none


## Frequently asked questions

### Is SuperCALC free?

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

### Is Df free?

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

### Do SuperCALC or Df have ads?

Neither SuperCALC nor Df shows ads.

### Which is updated more often, SuperCALC or Df?

SuperCALC ships an update every 3 months, and Df every 3 weeks. Most recently, SuperCALC was updated on October 21, 2026 and Df on October 14, 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.*