# The Big Duel vs EPPP Exam by Rocket Prep 2026

The Big Duel and EPPP Exam by Rocket Prep 2026 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. The Big Duel sells 1 one-off in-app purchase and EPPP Exam by Rocket Prep 2026 sells 8 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

The Big Duel ships an update every 12 months, EPPP Exam by Rocket Prep 2026 every 7 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | The Big Duel | EPPP Exam by Rocket Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-big-duel/id987225081/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 7 months** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 48 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ilan TETRUASHVILI](https://appshunter.io/developer/940821251) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### The Big Duel

[App page](https://appshunter.io/ios/app/the-big-duel/id987225081)

Engage in a fun and addictive game to sharpen your math abilities. Choose from three distinct game modes, including math calculations, size comparisons, and shape recognition. Compete head-to-head with another player on a single device or race against the clock.

**Highlights:** Multiple game modes (Math, Bigger/Smaller, Shapes), Supports addition, subtraction, multiplication, division, 1v1 multiplayer on one device, Play against the clock, Interactive learning with animations, Adjustable difficulty

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad's | $0.99 | one-time |


### EPPP Exam by Rocket Prep 2026

[App page](https://appshunter.io/ios/app/eppp-exam-by-rocket-prep-2026/id6751283549)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EPPP Weekly Full Access | $8.99 | per 7 days |
| EPPP Monthly Full Access | $22.99 | per month |
| EPPP Monthly Full Access | $22.99 | per month |
| EPPP Quarterly Full Access | $49.99 | per 3 months |
| EPPP Quarterly Full Access | $49.99 | per 3 months |
| EPPP_mock_tries_1 | $4.99 | one-time |
| EPPP_mock_tries_3 | $9.99 | one-time |
| EPPP_mock_tries_5 | $14.99 | one-time |


## Frequently asked questions

### Is The Big Duel free?

The Big Duel is free to download, with in-app purchases available.

### Is EPPP Exam by Rocket Prep 2026 free?

EPPP Exam by Rocket Prep 2026 is free to download, with in-app purchases available.

### Do The Big Duel or EPPP Exam by Rocket Prep 2026 have ads?

Neither The Big Duel nor EPPP Exam by Rocket Prep 2026 shows ads.

### Which is updated more often, The Big Duel or EPPP Exam by Rocket Prep 2026?

The Big Duel ships an update every 12 months, and EPPP Exam by Rocket Prep 2026 every 7 months. Most recently, The Big Duel was updated on November 1, 2026 and EPPP Exam by Rocket Prep 2026 on October 30, 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.*