# Reactor vs What if..?

The clearest difference is review sentiment: What if..? at 95% against Reactor's 0%. What if..? also leads on update cadence (monthly vs every 16 months). Reactor's advantage is in-app purchases (none vs 9) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. What if..? sells 9 in-app purchases, starting at $1.99 per month. Reactor asks for nothing beyond the download.

Reactor ships an update every 16 months, What if..? monthly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Reactor | What if..? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (264 ratings)](https://appshunter.io/ios/app/what-if/id1529267219/reviews)** |
| Number of ratings | — | **264** |
| Positive reviews | 0.0% of reviews | **95.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 17 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Dzmitry Maiseyenka](https://appshunter.io/developer/622020193) | [Vladimir Bukovsky](https://appshunter.io/developer/1254020502) |

## What reviewers say

### Reactor

[App page](https://appshunter.io/ios/app/reactor-game-for-two/id836455560)

Challenge your reflexes and those of your friends with this engaging two-player game. It's a fun way to test reaction times in a competitive setting.

**Highlights:** Two-player reaction testing, Competitive gameplay, Simple interface, Focus on reflexes

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

**In-app purchases:** none


### What if..?

[App page](https://appshunter.io/ios/app/what-if/id1529267219)

Engage in a game of hypothetical scenarios with hundreds of thought-provoking questions. Answer yes or no to crazy, funny, confusing, and philosophical prompts, then compare your choices with other users. Share intriguing questions with friends and make up your mind!

**Highlights:** Hundreds of hypothetical questions, Yes/No answer format, Compare answers with other users, Share questions with friends, Crazy, funny, and philosophical themes

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Online mode | $1.99 | per month |
| General | $1.99 | one-time |
| Philosophical | $1.99 | one-time |
| Funny | $1.99 | one-time |
| For Adults | $1.99 | one-time |
| Full access | $1.99 | one-time |
| Full access | $2.99 | one-time |
| Full access | $4.99 | one-time |
| Full access | $6.99 | one-time |

**What reviewers like**

- 👍 Interesting game
- 👍 Fun to play with friends
- 👍 Engaging questions
- 👍 No ads or bugs

**What reviewers complain about**

- 🐛 Repeated questions
- 🐛 Some questions are confusing or don't make sense
- 💰 Paid content required for full experience

**Reported bugs**

- Occasional crashes or freezes
- Compatibility issues on older devices

**Requested features**

- More diverse and original questions
- Ability to create custom questions
- Difficulty levels or categories


## Frequently asked questions

### Is Reactor free?

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

### Is What if..? free?

What if..? is free to download, with in-app purchases available.

### Do Reactor or What if..? have ads?

What if..? shows ads; Reactor does not.

### Which is updated more often, Reactor or What if..??

Reactor ships an update every 16 months, and What if..? monthly. Most recently, Reactor was updated on November 1, 2026 and What if..? 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.*