# BrewingCalc vs Pervak

The clearest difference is update cadence: BrewingCalc at every 3 months against Pervak's every 6 months. Pervak's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

BrewingCalc ships an update every 3 months, Pervak every 6 months. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | BrewingCalc | Pervak |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/brewingcalc/id867694877/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 12 MB | 22 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Ilia Khokhlov](https://appshunter.io/developer/1788684386) | [Konstantin Barbin](https://appshunter.io/developer/1679629968) |

## What reviewers say

### BrewingCalc

[App page](https://appshunter.io/ios/app/brewingcalc/id867694877)

A professional toolkit for homebrewers featuring a suite of calculators for IBU, ABV, calories, and Brix. It also includes precise unit converters for volume, weight, temperature, and gravity, all without ads or subscriptions.

**Highlights:** IBU calculator (Glenn Tinseth), ABV estimation (precision table & formula), Calorie estimation (Real Extract method), Brix/Refractometer conversion, Volume, weight, temperature, gravity converters, Metric and US unit support

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

**In-app purchases:** none


### Pervak

[App page](https://appshunter.io/ios/app/pervak/id6446907490)

**In-app purchases:** none


## Frequently asked questions

### Is BrewingCalc free?

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

### Is Pervak free?

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

### Do BrewingCalc or Pervak have ads?

Neither BrewingCalc nor Pervak shows ads.

### Which is updated more often, BrewingCalc or Pervak?

BrewingCalc ships an update every 3 months, and Pervak every 6 months. Most recently, BrewingCalc was updated on September 8, 2026 and Pervak on September 20, 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.*