# Word Ninja Challenge vs Bus Flow

The clearest difference is in-app purchases: Bus Flow at none against Word Ninja Challenge's 4. Word Ninja Challenge's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 13 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Word Ninja Challenge sells 3 one-off in-app purchases. Bus Flow asks for nothing beyond the download.

Word Ninja Challenge ships an update every 2 weeks, Bus Flow every 13 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Word Ninja Challenge | Bus Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/word-ninja-challenge/id1587556995/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 13 months |
| Monetization | Free | — |
| Size | 86 MB | 117 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sheritech LLC](https://appshunter.io/developer/876202158) | [RUBY OYUN VE YAZILIM DANISMANLIK SANAYI TICARET ANONIM SIRKETI](https://appshunter.io/developer/939257836) |

## What reviewers say

### Word Ninja Challenge

[App page](https://appshunter.io/ios/app/word-ninja-challenge/id1587556995)

Sharpen your vocabulary and cognitive skills in this fast-paced word puzzle game. Discover hidden words from scrambled letters, progress through a ninja belt system, and enjoy a relaxing yet addictive brain-training experience.

**Highlights:** Hidden word discovery, Ninja belt progression system, Vocabulary and spelling challenges, Brain-training puzzles, Offline play, Simple and addictive gameplay

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Token Bundle | $0.99 | one-time |
| 10 Token Bundle | $2.99 | one-time |
| 25 Token Bundle | $4.99 | one-time |


### Bus Flow

[App page](https://appshunter.io/ios/app/bus-flow/id6502044288)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Word Ninja Challenge free?

Word Ninja Challenge is free to download, with in-app purchases available.

### Is Bus Flow free?

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

### Do Word Ninja Challenge or Bus Flow have ads?

Bus Flow shows ads; Word Ninja Challenge does not.

### Which is updated more often, Word Ninja Challenge or Bus Flow?

Word Ninja Challenge ships an update every 2 weeks, and Bus Flow every 13 months. Most recently, Word Ninja Challenge was updated on October 7, 2026 and Bus Flow on September 24, 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.*