# FrackCalc vs EOS

The clearest difference is price: EOS at Free against FrackCalc's $9.99. FrackCalc's advantage is update cadence (weekly vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

EOS is free to download; FrackCalc costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FrackCalc ships an update weekly, EOS every 3 weeks. The most recent releases landed on September 7, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | FrackCalc | EOS |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frackcalc/id1574572398/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 13 MB | 52 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Moosaa Young](https://appshunter.io/developer/1574572400) | [NexTier Oilfield Solutions, Inc.](https://appshunter.io/developer/1532104518) |

## What reviewers say

### FrackCalc

[App page](https://appshunter.io/ios/app/frackcalc/id1574572398)

This app provides on-the-go hydraulic fracturing calculations for the oilfield. It helps determine chemical rates, fluid clean-up, proppant amounts, and pump speeds. Includes a unit converter for common oilfield measurements.

**Highlights:** Hydraulic fracturing calculations, Proppant amount and height determination, RPM calculator for pumping speeds, Hydrostatic calculator for proppant-laden slurry, Oilfield unit converter, Pump rate calculation based on transmission curves

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

**In-app purchases:** none


### EOS

[App page](https://appshunter.io/ios/app/eos-mobile/id6753316771)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FrackCalc free?

FrackCalc costs $9.99, with no in-app purchases.

### Is EOS free?

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

### Do FrackCalc or EOS have ads?

Neither FrackCalc nor EOS shows ads.

### Which is updated more often, FrackCalc or EOS?

FrackCalc ships an update weekly, and EOS every 3 weeks. Most recently, FrackCalc was updated on September 7, 2026 and EOS on September 16, 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.*