greenApes vs Serendip
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
greenApes
Earn digital currency by performing sustainable actions and completing challenges. Use your earnings to support environmental and social initiatives, and unlock rewards. Connect with other apps to automatically track eco-friendly activities.
- Earn TWIN coins for sustainable actions
- Support environmental and social initiatives
- Unlock rewards and surprises
- Connect with Apple Health to track activity
- Complete fun challenges
- Share stories and ideas
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greenApes is the app that cares. Make a difference, get rewarded! Collect TWIN coins with real-life daily sustainable actions and by completing fun challenges. Make a difference! Use TWIN coins to support environmental and social initiatives in the Donate section. Unlock boxes with real rewards and surprises! Increase your positive impact with greenApes: your sustainable actions make you earn TWIN coins, which you can use to support projects and initiatives that are helping out our planet. But there's more: the more you donate the greater rewards you will unlock! You can earn TWIN coins automatically by connecting your favourite apps, such as Apple Health, to earn points every time you walk and bike. You can also earn TWIN for completing fun challenges and for inspiring the community with your stories and idea. Finally you'll claim Secret Codes (with lots of coins) by joining environmental initiatives and for choosing environmentally friendly services & products. The greenApes platform is available internationally, but some cities and organizations enjoy a special experience. Rewards availability also varies depending on the country you're in. If you’d like to launch a custom campaign and promote sustainable behaviours in your city, company or organization get in touch: info@greenapes.com
Serendip
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Serendip è l’APP unica per accedere al tuo centro sportivo. Con Serendip puoi: prenotare lezioni ai corsi e appuntamenti, verificare lo stato dei tuoi abbonamenti e pagamenti, ricevere news ed aggiornamento del tuo centro sportivo. Direttamente nell’App puoi verificare lo stato di disponibilità dei corsi e scegliere il tuo orario e giorno preferito. Nella vetrina dell’APP sempre a disposizione una selezione dei servizi e prodotti del tuo centro sportivo.
Screenshots
Verdict
The clearest difference is update cadence: greenApes at every 3 weeks against Serendip's every 31 months. Serendip's advantage is iOS requirement (13.0 vs 18.0). 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.
greenApes ships an update every 3 weeks, Serendip every 31 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.
| Parameter | greenApes | Serendip |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 77.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks — better | Every 31 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | greenApes | Teamsystem SPA |
In-app purchases
greenApes
No in-app purchases
Serendip
No in-app purchases
