# ResearchBunny vs Feynman WTF

The clearest difference is update cadence: Feynman WTF at weekly against ResearchBunny's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ResearchBunny sells 2 in-app purchases, starting at $9.99 per month and Feynman WTF sells 2 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

ResearchBunny ships an update monthly, Feynman WTF weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ResearchBunny | Feynman WTF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/researchbunny/id6736345761/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | — |
| Size | 65 MB | 37 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ResearchBunny Inc.](https://appshunter.io/developer/1771529831) | [Vrushal Kapadnis](https://appshunter.io/developer/1830846117) |

## What reviewers say

### ResearchBunny

[App page](https://appshunter.io/ios/app/researchbunny/id6736345761)

This app transforms complex academic papers into easy-to-digest audio briefs. Get instant answers to research questions and create personalized playlists of scholarly content tailored to your learning style.

**Highlights:** AI-generated audio briefs, Instant research answers, Personalized AI playlists, Customizable audio settings, Topic-based content curation

**Features:** Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ResearchBunny Pro - Monthly | $9.99 | per month |
| ResearchBunny Pro - Yearly | $99.99 | per year |


### Feynman WTF

[App page](https://appshunter.io/ios/app/feynman-wtf/id6749510148)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $10.00 | per month |
| Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is ResearchBunny free?

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

### Is Feynman WTF free?

Feynman WTF is free to download, with in-app purchases available.

### Do ResearchBunny or Feynman WTF have ads?

Neither ResearchBunny nor Feynman WTF shows ads.

### Which is updated more often, ResearchBunny or Feynman WTF?

ResearchBunny ships an update monthly, and Feynman WTF weekly. Most recently, ResearchBunny was updated on October 30, 2026 and Feynman WTF on November 5, 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.*