# FastCalc vs Komaca

The clearest difference is price: Komaca at Free against FastCalc's $1.99. Komaca also leads on in-app purchases (none vs 4) and update cadence (every 3 weeks vs every 5 months). FastCalc's advantage is rating (4.8 vs 3.7) and ads (none vs shown). On ratings volume and device support there is nothing between them.

Komaca is free to download; FastCalc costs $1.99 up front. FastCalc sells 4 one-off in-app purchases. Komaca asks for nothing beyond the download.

FastCalc holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

FastCalc ships an update every 5 months, Komaca every 3 weeks. The most recent releases landed on July 17, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | FastCalc | Komaca |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/fastcalc/id350419994/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/komaca/id1631579868/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 8 MB | 88 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andre Ponzo](https://appshunter.io/developer/350419997) | [Chia Inc.](https://appshunter.io/developer/1466749194) |

## What reviewers say

### FastCalc

[App page](https://appshunter.io/ios/app/fastcalc/id350419994)

This calculator app offers a streamlined experience with large, easy-to-use keys and an innovative gesture-based interface. It displays your ongoing expression and results in real-time, eliminating the need for an equals button. Advanced features include percentage calculations and customizable constants.

**Highlights:** Large, practical keys, Permanent expression display, Automatic real-time results, Gesture-based input, Customizable constants, Advanced percentage mode

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Red Rivella | $1.99 | one-time |
| Homemade hot chocolate | $6.99 | one-time |
| Bircher muesli | $12.99 | one-time |
| Moitié-moitié fondue | $34.99 | one-time |


### Komaca

[App page](https://appshunter.io/ios/app/komaca/id1631579868)

Easily create professional, mobile-friendly websites for your business, store, or hobby group without any technical expertise. Focus on your vision while the app handles the complex website building process for you.

**Highlights:** Free website creation, Mobile-friendly design, Desktop compatibility, No technical expertise needed, Focus on creative vision

**In-app purchases:** none


## Frequently asked questions

### Is FastCalc free?

FastCalc costs $1.99, and also offers in-app purchases.

### Is Komaca free?

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

### Which has better reviews, FastCalc or Komaca?

FastCalc is rated higher. FastCalc averages 4.8 out of 5 from 4 ratings, while Komaca averages 3.7 from 3 ratings.

### Do FastCalc or Komaca have ads?

Komaca shows ads; FastCalc does not.

### Which is updated more often, FastCalc or Komaca?

FastCalc ships an update every 5 months, and Komaca every 3 weeks. Most recently, FastCalc was updated on July 17, 2026 and Komaca on September 17, 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.*