FlashInvaders vs Twenty Campus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlashInvaders
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.
- Discover street art mosaics
- Scan and document artwork
- Personal mosaic gallery
- Share discoveries on social media
- Follow friends' scores
- Live worldwide flash stream
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FlashInvaders is the official application of the artist Invader. Go and search for his thousands mosaics all around the world, flash them and get points. - Valid flashes are added to your own gallery where you can find all the mosaics you have found anytime. - You can also share your discoveries on social networks. - Create your followers list and follow your friends' scores. - Follow the live stream to see all the flashes in real time worldwide.
Twenty Campus
Manage your student accommodation with ease. Track rent payments, report maintenance issues, connect with support, and access important documents related to your living space.
- Manage personal account
- Track rent payments
- Report accommodation problems
- Contact support
- Access flat documents
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The #Twenty_Campus app is made for you ! Use your TC app for : - Follow your personal account and easily manage your rent - Report any problem with your accommodation - Be quickly in touch with your big brother - Find all your documents related to your flat
Screenshots
Verdict
The clearest difference is review sentiment: FlashInvaders at 77% against Twenty Campus's 3%. FlashInvaders also leads on rating (4.9 vs 1.0) and ads (none vs shown). Twenty Campus's advantage is update cadence (every 3 weeks vs every 11 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FlashInvaders holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: FlashInvaders has 903 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 77% of FlashInvaders's written reviews are positive against 3% of Twenty Campus's.
FlashInvaders ships an update every 11 months, Twenty Campus every 3 weeks. Both last shipped on October 15, 2026.
| Parameter | FlashInvaders | Twenty Campus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (903 ratings) — better | 1.0 (9 ratings) |
| Positive reviews | 76.6% of reviews — better | 2.5% of reviews |
| Number of ratings | 903 — better | 9 |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 20 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | flash invaders | Sergic |
Customer experience
FlashInvaders
Twenty Campus
Bugs and requests
FlashInvaders
Reported bugs
4 issues- Camera not working
- Login/sign-up issues
- Crashes and black screens
- Inability to restore lost galleries
Requested features
5 requests- Ability to upload existing photos
- Improved validation and recognition
- Geolocation support for damaged invaders
- Higher zoom levels
- More invaders in different regions
Twenty Campus
Not enough reviews yet to summarise bugs or requests.
In-app purchases
FlashInvaders
No in-app purchases
Twenty Campus
No in-app purchases
Questions
Is FlashInvaders free?
Is Twenty Campus free?
Which has better reviews, FlashInvaders or Twenty Campus?
Do FlashInvaders or Twenty Campus have ads?
Which is updated more often, FlashInvaders or Twenty Campus?
Other comparisons
