# Professor Doctor Jetpack vs Ribbit Run

The clearest difference is ads: Professor Doctor Jetpack at none against Ribbit Run's shown. Professor Doctor Jetpack also leads on update cadence (every 2 weeks vs every 2 months) and ratings volume (99 vs 30). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Professor Doctor Jetpack sells 2 one-off in-app purchases and Ribbit Run sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Professor Doctor Jetpack against 4.6 for Ribbit Run. Both are backed by a comparable volume of ratings — 99 and 30 respectively. Written reviews are what separate them: 93% of Professor Doctor Jetpack's written reviews are positive against 86% of Ribbit Run's.

Professor Doctor Jetpack ships an update every 2 weeks, Ribbit Run every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Professor Doctor Jetpack | Ribbit Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (99 ratings)](https://appshunter.io/ios/app/professor-doctor-jetpack/id6449432798/reviews)** | [4.6 (30 ratings)](https://appshunter.io/ios/app/ribbit-run/id6503719972/reviews) |
| Number of ratings | **99** | 30 |
| Positive reviews | **92.9% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 276 MB | 282 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Roflcopter Ink GmbH](https://appshunter.io/developer/1365602157) | [Thatcher William Healy](https://appshunter.io/developer/1750112282) |

## What reviewers say

### Professor Doctor Jetpack

[App page](https://appshunter.io/ios/app/professor-doctor-jetpack/id6449432798)

Navigate a treacherous cave system using a physics-based jetpack. Master its controls to overcome deadly traps, enemies, and challenging bosses across over 85 handcrafted levels. Save the world from a lurking threat.

**Highlights:** Physics-based jetpack control, 85+ handcrafted levels, Atmospheric pixel art, Challenging bosses, Unlockable and upgradable equipment, Casual mode available

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piggy Bank | $1.99 | one-time |
| Unlock All Levels | $4.99 | one-time |


### Ribbit Run

[App page](https://appshunter.io/ios/app/ribbit-run/id6503719972)

Embark on an amphibian adventure in this 2D platformer. Use a frog's tongue as a grappling hook to navigate diverse swamp biomes, catch prey, and evade predators. Unlock new frog species with unique abilities as you explore deeper.

**Highlights:** Tongue grappling hook mechanic, Three distinct swamp biomes, Catch prey and avoid predators, Unlock 5 unique frog species, Discover special frog abilities

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Continues | $2.99 | one-time |


## Frequently asked questions

### Is Professor Doctor Jetpack free?

Professor Doctor Jetpack is free to download, with in-app purchases available.

### Is Ribbit Run free?

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

### Which has better reviews, Professor Doctor Jetpack or Ribbit Run?

Professor Doctor Jetpack is rated higher. Professor Doctor Jetpack averages 4.6 out of 5 from 99 ratings, while Ribbit Run averages 4.6 from 30 ratings.

### Do Professor Doctor Jetpack or Ribbit Run have ads?

Ribbit Run shows ads; Professor Doctor Jetpack does not.

### Which is updated more often, Professor Doctor Jetpack or Ribbit Run?

Professor Doctor Jetpack ships an update every 2 weeks, and Ribbit Run every 2 months. Most recently, Professor Doctor Jetpack was updated on November 3, 2026 and Ribbit Run 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.*