Alumni HMSM vs Plastic Avengers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Alumni HMSM
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The Alumni HMSM app offers exclusive access for alumni of Hotel Management School Maastricht in the Netherlands. Customise your profile, find other alumni with similar interests or in places you are visiting. Stay in touch, receive news, create events and post jobs. Join the community!
Plastic Avengers
This app mobilizes users to combat plastic waste by organizing collection campaigns and documenting pollution. It facilitates petitions and advocacy for environmental protection, using camera and location data to create interactive maps for legislative change.
- Organize plastic collection campaigns
- Document plastic waste with photos
- Create petitions for environmental protection
- Advocate for new regulations
- View interactive maps of plastic locations
- Contribute to environmental data collection
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This applications main purpose is to help the environment and reduce plastic waste, this tool help us organising campaigns to collects and documents plastic waste, we can organise petitions and regulations gear towards environmental protection. Help us fight against pollution and environmental waste to protect the world where we live! This app needs access to your camera to upload pictures of plastic waste target in the current campaigns, it also uses you location when you upload the picture so we can gather the data of where the plastic is located, this help us organise interactive maps of the location of the plastic and show the governing parties of the region to create legislation changes and protect the environment.
Screenshots
Verdict
The clearest difference is update cadence: Alumni HMSM at every 2 months against Plastic Avengers's every 6 months. Plastic Avengers's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases 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.
Alumni HMSM ships an update every 2 months, Plastic Avengers every 6 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Alumni HMSM | Plastic Avengers |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 101 MB | 65 MB |
| Age rating | 17+ | 4+ |
| Developer | Stichting Zuyd Hogeschool | Stichting Plastic Free Sea |
In-app purchases
Alumni HMSM
No in-app purchases
Plastic Avengers
No in-app purchases
Questions
Is Alumni HMSM free?
Is Plastic Avengers free?
Do Alumni HMSM or Plastic Avengers have ads?
Which is updated more often, Alumni HMSM or Plastic Avengers?
Other comparisons
