# FlashInvaders vs Challenge Camp

The clearest difference is ratings volume: FlashInvaders at 903 against Challenge Camp's 4. Challenge Camp's advantage is update cadence (every 5 months vs every 11 months). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for FlashInvaders against 5.0 for Challenge Camp. That said, the two scores are not equally well evidenced: FlashInvaders has 903 ratings behind it against 4, so its average is the more settled of the two.

FlashInvaders ships an update every 11 months, Challenge Camp every 5 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | FlashInvaders | Challenge Camp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (903 ratings)](https://appshunter.io/ios/app/flashinvaders/id895180919/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/challenge-camp/id6482576673/reviews)** |
| Number of ratings | **903** | 4 |
| Positive reviews | 76.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 20 MB | 6 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [flash invaders](https://appshunter.io/developer/895180922) | [GIFTED AND TALENTED DEVELOPMENT CENTER INC](https://appshunter.io/developer/1524710229) |

## What reviewers say

### FlashInvaders

[App page](https://appshunter.io/ios/app/flashinvaders/id895180919)

Discover and document street art mosaics globally. Scan artwork to add it to your personal gallery, earn points, and track your progress. Share your finds and compete with friends.

**Highlights:** Discover street art mosaics, Scan and document artwork, Personal mosaic gallery, Share discoveries on social media, Follow friends' scores, Live worldwide flash stream

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging app
- 🚀 Great for exploring cities
- 👾 Clever concept
- 💥 Motivates users to discover art
- 🌍 Encourages travel and discovery

**What reviewers complain about**

- 🐛 Validation/recognition issues
- 🚫 Inability to upload existing photos
- 🤖 Glitchy and unreliable
- 🚫 Accounts getting banned/blocked

**Reported bugs**

- Camera not working
- Login/sign-up issues
- Crashes and black screens
- Inability to restore lost galleries

**Requested features**

- Ability to upload existing photos
- Improved validation and recognition
- Geolocation support for damaged invaders
- Higher zoom levels
- More invaders in different regions


### Challenge Camp

[App page](https://appshunter.io/ios/app/challenge-camp/id6482576673)

Stay informed about camp news, photos, and important updates. Receive targeted push notifications for your camper and view daily photo uploads and special event calendars. Join the summer of fun and learning.

**Highlights:** Targeted push notifications, Daily photo uploads, Photo albums, Special event calendar, Camp news updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlashInvaders free?

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

### Is Challenge Camp free?

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

### Which has better reviews, FlashInvaders or Challenge Camp?

Challenge Camp is rated higher. FlashInvaders averages 4.9 out of 5 from 903 ratings, while Challenge Camp averages 5.0 from 4 ratings.

### Do FlashInvaders or Challenge Camp have ads?

Neither FlashInvaders nor Challenge Camp shows ads.

### Which is updated more often, FlashInvaders or Challenge Camp?

FlashInvaders ships an update every 11 months, and Challenge Camp every 5 months. Most recently, FlashInvaders was updated on October 15, 2026 and Challenge Camp on October 13, 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.*