# FastCalc vs SwizzAI

The clearest difference is price: SwizzAI at Free against FastCalc's $1.99. SwizzAI also leads on update cadence (every 9 days vs every 5 months) and rating (5.0 vs 4.8). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

SwizzAI is free to download; FastCalc costs $1.99 up front. FastCalc sells 4 one-off in-app purchases and SwizzAI sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SwizzAI holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews point the same way: 80% of FastCalc's written reviews are positive against 85% of SwizzAI's.

FastCalc ships an update every 5 months, SwizzAI every 9 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | FastCalc | SwizzAI |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/fastcalc/id350419994/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/swizzai-ai-chatbot-app/id6447283144/reviews)** |
| Number of ratings | 4 | **10** |
| Positive reviews | 80.0% of reviews | **84.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 8 MB | 30 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Andre Ponzo](https://appshunter.io/developer/350419997) | [Valerio Perrotta (CH)](https://appshunter.io/developer/1660167144) |

## 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 |


### SwizzAI

[App page](https://appshunter.io/ios/app/swizzai-ai-chatbot-app/id6447283144)

This AI-powered tool assists with generating text and images, drafting emails, answering questions, and solving problems. It offers priority access and iCloud sync, with a free tier for initial use. Unlock full capabilities with various subscription options.

**Highlights:** AI text generation, AI image generation, Drafting emails and content, Answering questions, Priority access, iCloud sync, Lifetime unlock option

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Unlock | $3.99 | per 7 days |
| Monthly Unlock | $8.99 | per month |
| Yearly Unlock | $59.99 | per year |
| Lifetime Unlock | $249.00 | one-time |


## Frequently asked questions

### Is FastCalc free?

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

### Is SwizzAI free?

SwizzAI is free to download, with in-app purchases available.

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

SwizzAI is rated higher. FastCalc averages 4.8 out of 5 from 4 ratings, while SwizzAI averages 5.0 from 10 ratings.

### Do FastCalc or SwizzAI have ads?

Neither FastCalc nor SwizzAI shows ads.

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

FastCalc ships an update every 5 months, and SwizzAI every 9 days. Most recently, FastCalc was updated on November 1, 2026 and SwizzAI on November 3, 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.*