Hey Mayo vs MySustera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hey Mayo
Connect with people nearby to offer or request immediate, small acts of help. No sign-up is needed to facilitate quick exchanges within an hour, fostering community and happiness.
- Request or offer immediate help
- Connect with nearby users
- 1-hour response window
- No sign-up required
- Promotes happiness and purpose
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Help your community. Feel happier. Meet Mayo, the first communication app that enables people to signal their need or offer for small, immediate help to anyone nearby. No sign-up required. 1. Send a Mayo post to request or offer quick help to those around you 2. People nearby have up to 1 hour to reply 3. Arrange details, complete the help, and share a smile Helping others is scientifically proven to make people feel happier, more purposeful, and less anxious. Spread Mayo. Spread Kindness.
MySustera
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Sustera is the European sustainability leader in the built environment. We specialise in property evaluations, inspections and certifications. We design long lasting buildings. With the help of our supervisors and project managers, new construction projects and the renovation of buildings will be successfully taken to the finish line. We ensure safe and healthy living and housing trade. Why MySustera? The MySustera app is an engaging and interactive communication experience to connect the people we employ and those who come into contact with us. MySustera offers you the possibility to stay informed about important company information, latest news and much more about our company - mobile, fast and up-2-date. Stay in contact with us and learn more about the world of Sustera. MySustera contains: • Press releases - stay up to date with the latest news. Push notifications allow you to immediately see what exciting news we have from the world of Sustera. • Important company performance and strategy • Sustainability, values and vision – where are we going and what's new? Join us on MySustera!
Screenshots
Verdict
The clearest difference is update cadence: MySustera at fortnightly against Hey Mayo's every 3 months. Hey Mayo's advantage is iOS requirement (10.0 vs 17.0). On price, ads, in-app purchases and device support 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.
Hey Mayo ships an update every 3 months, MySustera fortnightly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Hey Mayo | MySustera |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (17 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 57 MB | 85 MB |
| Age rating | 17+ | 4+ |
| Developer | abiem LLC | Sustera Oy |
In-app purchases
Hey Mayo
No in-app purchases
MySustera
No in-app purchases
