# Reaction Speed Pro vs Viggle AI

Reaction Speed Pro and Viggle AI both sit at 4.8 stars, but that hides the real split: 100% of Reaction Speed Pro's written reviews are positive against 59% of Viggle AI's. Reaction Speed Pro also leads on in-app purchases (none vs 10) and ads (none vs shown). Viggle AI's advantage is ratings volume (29K vs 19) and chart position (#144 vs unranked). On price and rating there is nothing between them.

Both are free to download. Viggle AI sells 10 in-app purchases, starting at $4.99 per 7 days. Reaction Speed Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Reaction Speed Pro against 4.8 for Viggle AI. That said, the two scores are not equally well evidenced: Viggle AI has 29K ratings behind it against 19, so its average is the more settled of the two. Written reviews are what separate them: 100% of Reaction Speed Pro's written reviews are positive against 59% of Viggle AI's.

## The numbers

| Metric | Reaction Speed Pro | Viggle AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/reaction-speed-pro/id1502800307/reviews)** | [4.8 (29K ratings)](https://appshunter.io/ios/app/viggle-ai-meme-maker/id6503272013/reviews) |
| Number of ratings | 19 | **29K** |
| Positive reviews | **100.0% of reviews** | 59.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 8 days |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#144** |
| Size | 12 MB | 134 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Michael Horowitz](https://appshunter.io/developer/1750335184) | [WarpEngine](https://appshunter.io/developer/1694848121) |

## What reviewers say

### Reaction Speed Pro

[App page](https://appshunter.io/ios/app/reaction-speed-pro/id1502800307)

Measure your reflexes with a straightforward and enjoyable application. It offers a clean, ad-free experience for testing reaction times.

**Highlights:** Reaction time testing, Simple interface, Ad-free experience, Fun and engaging

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

**In-app purchases:** none


### Viggle AI

[App page](https://appshunter.io/ios/app/viggle-ai-meme-maker/id6503272013)

**Currently charting:** #144 Top Free · Entertainment (US App Store)

Transform any photo into a viral video with AI-powered animation. Star in popular trends, become your favorite characters, or create unique meme content. Features include character swapping, lip-syncing, and real-time streaming.

**Highlights:** Photo to viral video, Star in any video clip, Recreate viral trends, Become any character, Lip-sync and rap, Real-time character swap, AI photo transformations

**Features:** macOS Compatibility, Family Sharing, iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan - Weekly | $4.99 | per 7 days |
| Viggle Pro Plan - Monthly | $9.99 | per month |
| Live Plan - Monthly | $24.99 | per month |
| Live Max Plan - Monthly | $79.99 | per month |
| Pro Plan - Yearly | $95.90 | per year |
| Live Plan - Yearly | $239.99 | per year |
| Live Max Plan - Yearly | $769.00 | per year |
| Extra credits | $3.00 | one-time |
| Extra credits | $6.00 | one-time |
| Extra credits for Live | $15.00 | one-time |

**What reviewers like**

- 🚀 Fast and easy to use
- 👍 Intuitive interface
- 💡 Unique and fun features
- 🎨 Impressive animation quality

**What reviewers complain about**

- 🐛 Frequent errors and crashes
- 🔍 Inconsistent character tracking
- ⏱️ Slow video generation
- 🔒 Lack of customization options

**Reported bugs**

- Videos getting stuck at 99% generation
- Network errors preventing video uploads
- Incorrect character selection and tracking
- Compatibility issues with older devices

**Requested features**

- Add more character and dance options
- Improve multi-person video support
- Allow users to upload their own music
- Provide a way to remove the Viggle watermark


## Frequently asked questions

### Is Reaction Speed Pro free?

Reaction Speed Pro is free to download, with no in-app purchases.

### Is Viggle AI free?

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

### Which has better reviews, Reaction Speed Pro or Viggle AI?

Reaction Speed Pro is rated higher. Reaction Speed Pro averages 4.8 out of 5 from 19 ratings, while Viggle AI averages 4.8 from 29K ratings.

### Do Reaction Speed Pro or Viggle AI have ads?

Viggle AI shows ads; Reaction Speed Pro does not.

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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.*