# Waiit vs Efo

The clearest difference is review sentiment: Waiit at 36% against Efo's 0%. Waiit also leads on update cadence (every 3 days vs every 5 months) and iOS requirement (8.0 vs 12.0). Efo's advantage is in-app purchases (none vs 10). On price, ads and device support there is nothing between them.

Both are free to download. Waiit sells 10 one-off in-app purchases. Efo asks for nothing beyond the download.

Waiit ships an update every 3 days, Efo every 5 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Waiit | Efo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (28 ratings)](https://appshunter.io/ios/app/waiit/id1169530248/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | **35.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 128 MB | 24 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GalacticThumb Inc.](https://appshunter.io/developer/955128546) | [Dmitry Sypachev](https://appshunter.io/developer/1105804448) |

## What reviewers say

### Waiit

[App page](https://appshunter.io/ios/app/waiit/id1169530248)

Navigate a minimalist labyrinth with two squares that move in unison. Collect coins to unlock a variety of new characters as you progress through the challenging maze.

**Highlights:** Minimalist design, Simultaneous square movement, Coin collection, Character unlocks, Labyrinth navigation

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purple & Red | $0.99 | one-time |
| Purple & Blue | $0.99 | one-time |
| Abstract 1 | $1.99 | one-time |
| Abstract 2 | $1.99 | one-time |
| Abstract 4 | $1.99 | one-time |
| Abstract 5 | $1.99 | one-time |
| Abstract 3 | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Christmas 1 | $1.99 | one-time |
| Christmas 2 | $1.99 | one-time |


### 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 Waiit free?

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

### Is Efo free?

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

### Do Waiit or Efo have ads?

Neither Waiit nor Efo shows ads.

### Which is updated more often, Waiit or Efo?

Waiit ships an update every 3 days, and Efo every 5 months. Most recently, Waiit was updated on November 2, 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.*