# Modulo Calculator. vs Hack The FE1s

The clearest difference is price: Modulo Calculator. at Free against Hack The FE1s's $14.99. Modulo Calculator. also leads on iOS requirement (12.0 vs 17.2). Hack The FE1s's advantage is ads (none vs shown) and update cadence (daily vs every 4 months). On in-app purchases and device support there is nothing between them.

Modulo Calculator. is free to download; Hack The FE1s costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Modulo Calculator. ships an update every 4 months, Hack The FE1s daily. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Modulo Calculator. | Hack The FE1s |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hack-the-fe1s/id6742150281/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Paid |
| Size | 29 MB | 2 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Milos Lukas Ziolkowski](https://appshunter.io/developer/1778486821) | [SOFIA GONZALEZ CR](https://appshunter.io/developer/1797093063) |

## What reviewers say

### Modulo Calculator.

[App page](https://appshunter.io/ios/app/modulo-calculator/id6737914141)

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

**In-app purchases:** none


### Hack The FE1s

[App page](https://appshunter.io/ios/app/hack-the-fe1s/id6742150281)

Master key legal concepts for FE1 exams with targeted tests and active recall. Improve retention with multiple-choice questions and detailed explanations. Track your progress and identify weak areas for efficient revision anytime, anywhere.

**Highlights:** Content-focused multiple-choice questions, Targeted tests by subject, Detailed explanations and case law references, Progress tracking and weak area identification, On-the-go study sessions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Modulo Calculator. free?

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

### Is Hack The FE1s free?

Hack The FE1s costs $14.99, with no in-app purchases.

### Do Modulo Calculator. or Hack The FE1s have ads?

Modulo Calculator. shows ads; Hack The FE1s does not.

### Which is updated more often, Modulo Calculator. or Hack The FE1s?

Modulo Calculator. ships an update every 4 months, and Hack The FE1s daily. Most recently, Modulo Calculator. was updated on October 9, 2026 and Hack The FE1s on September 28, 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.*