# Force Calculator Magic Trick vs Amalgam by Marc Kerstein

The clearest difference is rating: Amalgam by Marc Kerstein at 4.7 against Force Calculator Magic Trick's 3.4. Amalgam by Marc Kerstein also leads on update cadence (every 4 days vs every 9 months) and review sentiment (93% vs 67%). Force Calculator Magic Trick's advantage is iOS requirement (9.3 vs 14.1). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Force Calculator Magic Trick sells 1 one-off in-app purchase and Amalgam by Marc Kerstein sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Amalgam by Marc Kerstein holds the better App Store score, 4.7 against 3.4. Both are backed by a comparable volume of ratings — 24 and 48 respectively. Written reviews point the same way: 67% of Force Calculator Magic Trick's written reviews are positive against 93% of Amalgam by Marc Kerstein's.

Force Calculator Magic Trick ships an update every 9 months, Amalgam by Marc Kerstein every 4 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Force Calculator Magic Trick | Amalgam by Marc Kerstein |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (24 ratings)](https://appshunter.io/ios/app/force-calculator-magic-trick/id1249502634/reviews) | **[4.7 (48 ratings)](https://appshunter.io/ios/app/amalgam-by-marc-kerstein/id1497474271/reviews)** |
| Number of ratings | 24 | **48** |
| Positive reviews | 66.7% of reviews | **93.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 38 MB |
| Requires iOS | **9.3** | 14.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Petro Gurido](https://appshunter.io/developer/1228762750) | [Marc Kerstein](https://appshunter.io/developer/821255617) |

## What reviewers say

### Force Calculator Magic Trick

[App page](https://appshunter.io/ios/app/force-calculator-magic-trick/id1249502634)

This app allows you to perform mind-reading magic tricks by forcing any number on a spectator. Create custom routines and impress your audience with seemingly impossible calculations. It's designed for magicians looking to elevate their performances.

**Highlights:** Force any number on spectators, Create custom magic routines, Safety code for settings, Favorite calculator theme, Favorite calculator colors, Control when force number is revealed

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | one-time |


### Amalgam by Marc Kerstein

[App page](https://appshunter.io/ios/app/amalgam-by-marc-kerstein/id1497474271)

This app offers a collection of powerful yet easy-to-use magic effects that can be performed using just your phone. It includes detailed instructions, customization options, and a community section for sharing tips.

**Highlights:** Multiple magic effects in one app, Powerful yet easy to perform effects, Requires only your phone, Includes instructions and customization, Community section for tips and routines, Offline functionality for most effects

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TimedOut | Free | one-time |
| Amped | $14.99 | one-time |
| Watch | $24.99 | one-time |
| Word Search | $24.99 | one-time |
| OneStopShop | $29.99 | one-time |
| ChoiceMail | $29.99 | one-time |
| Streets | $33.99 | one-time |
| Inertia | $37.99 | one-time |
| Season One | $69.99 | one-time |
| Season Two | $84.99 | one-time |


## Frequently asked questions

### Is Force Calculator Magic Trick free?

Force Calculator Magic Trick is free to download, with in-app purchases available.

### Is Amalgam by Marc Kerstein free?

Amalgam by Marc Kerstein is free to download, with in-app purchases available.

### Which has better reviews, Force Calculator Magic Trick or Amalgam by Marc Kerstein?

Amalgam by Marc Kerstein is rated higher. Force Calculator Magic Trick averages 3.4 out of 5 from 24 ratings, while Amalgam by Marc Kerstein averages 4.7 from 48 ratings.

### Which is updated more often, Force Calculator Magic Trick or Amalgam by Marc Kerstein?

Force Calculator Magic Trick ships an update every 9 months, and Amalgam by Marc Kerstein every 4 days. Most recently, Force Calculator Magic Trick was updated on November 1, 2026 and Amalgam by Marc Kerstein on November 7, 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.*