# Puppy Runner vs Efo

The clearest difference is ads: Efo at none against Puppy Runner's shown. Efo also leads on update cadence (every 5 months vs every 23 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Puppy Runner ships an update every 23 months, Efo every 5 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Puppy Runner | Efo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 22 MB | 24 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dream-Up](https://appshunter.io/developer/445196122) | [Dmitry Sypachev](https://appshunter.io/developer/1105804448) |

## What reviewers say

### Puppy Runner

[App page](https://appshunter.io/ios/app/puppy-runner/id840531829)

**Features:** macOS Compatibility

**In-app purchases:** none


### Efo

[App page](https://appshunter.io/ios/app/efo-alien-adventure/id1445975853)

Embark on a 2D side-scrolling adventure as an alien stranded on a planet similar to Earth. Solve puzzles, find lost cargo, and uncover the planet's secrets to escape.

**Highlights:** 2D side-scrolling gameplay, Puzzle solving, Item collection, Story-driven quests, Logic skill development, Exploration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Puppy Runner free?

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

### Is Efo free?

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

### Do Puppy Runner or Efo have ads?

Puppy Runner shows ads; Efo does not.

### Which is updated more often, Puppy Runner or Efo?

Puppy Runner ships an update every 23 months, and Efo every 5 months. Most recently, Puppy Runner was updated on November 1, 2026 and Efo on November 2, 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.*