# FlashInvaders vs BilletReduc

The clearest difference is review sentiment: FlashInvaders at 77% against BilletReduc's 16%. BilletReduc's advantage is update cadence (every 3 weeks vs every 11 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

FlashInvaders ships an update every 11 months, BilletReduc every 3 weeks. The most recent releases landed on September 28, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | FlashInvaders | BilletReduc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (903 ratings)](https://appshunter.io/ios/app/flashinvaders/id895180919/reviews)** | — |
| Number of ratings | **903** | — |
| Positive reviews | **76.6% of reviews** | 16.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 47 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [flash invaders](https://appshunter.io/developer/895180922) | [123Billets](https://appshunter.io/developer/1485207251) |

## 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


### BilletReduc

[App page](https://appshunter.io/ios/app/billetreduc/id1044978138)

Discover and book discounted tickets for theater, concerts, and comedy shows across France. Explore curated event selections, reserve your seats easily, and share your discoveries with friends for a fun way to experience your city.

**Highlights:** Discounted tickets for shows, Explore events nationwide, Last-minute and advance booking, Smart event selections, Discover nearby venues, Share discoveries with friends

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FlashInvaders free?

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

### Is BilletReduc free?

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

### Do FlashInvaders or BilletReduc have ads?

Neither FlashInvaders nor BilletReduc shows ads.

### Which is updated more often, FlashInvaders or BilletReduc?

FlashInvaders ships an update every 11 months, and BilletReduc every 3 weeks. Most recently, FlashInvaders was updated on September 28, 2026 and BilletReduc on August 5, 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.*