# zaCalc2 vs Perfect Roaster

The clearest difference is rating: Perfect Roaster at 5.0 against zaCalc2's 4.7. zaCalc2's advantage is update cadence (every 4 months vs every 11 months) and ratings volume (3 vs 1). 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.

Perfect Roaster holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

zaCalc2 ships an update every 4 months, Perfect Roaster every 11 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | zaCalc2 | Perfect Roaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/zacalc2/id896310723/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perfect-roaster/id6664058919/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 6 MB | 30 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STEVEN HOLL](https://appshunter.io/developer/896310726) | [Cristobal Grana Samanez](https://appshunter.io/developer/1764769281) |

## What reviewers say

### zaCalc2

[App page](https://appshunter.io/ios/app/zacalc2/id896310723)

This app assists in calculating precise pizza dough ratios, including sourdough or yeast amounts. It offers advanced features like yeast regression formulas based on fermentation time and temperature, and scales toppings for any pizza size. Users can also customize their own recipes and ratios.

**Highlights:** Pizza dough ratio calculation, Sourdough/yeast amount calculation, Yeast regression formulas, Topping scaling by weight, Customizable recipes and ratios, Apple Watch support

**Features:** macOS Compatibility

**In-app purchases:** none


### Perfect Roaster

[App page](https://appshunter.io/ios/app/perfect-roaster/id6664058919)

Effortlessly roast various meats on your stovetop with minimal supervision. Select your meat type and desired doneness, and receive an alarm for perfectly cooked results.

**Highlights:** Roast various meat types, Select preferred doneness, Automated cooking alarms, Stovetop roasting guidance, Minimal supervision required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is zaCalc2 free?

zaCalc2 is free to download, with no in-app purchases.

### Is Perfect Roaster free?

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

### Which has better reviews, zaCalc2 or Perfect Roaster?

Perfect Roaster is rated higher. zaCalc2 averages 4.7 out of 5 from 3 ratings, while Perfect Roaster averages 5.0 from 1 ratings.

### Do zaCalc2 or Perfect Roaster have ads?

Neither zaCalc2 nor Perfect Roaster shows ads.

### Which is updated more often, zaCalc2 or Perfect Roaster?

zaCalc2 ships an update every 4 months, and Perfect Roaster every 11 months. Most recently, zaCalc2 was updated on October 24, 2026 and Perfect Roaster on October 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.*