greenApes vs UniTrade
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
UniTrade
A free marketplace for students to buy and sell items like clothes, food, and shoes. Earn money by selling your unused items and save by purchasing from fellow students.
- Sell extra student items
- Buy items at cheap prices
- Earn and save money
- Free to use
- No transaction fees
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Sell all your extra stuff on UniTrade UniTrade is an app where you can earn and save money as a student by selling your extra clothes/food/shoes etc and buy for cheap from other BOW students. It is completely free to use and we charge no money for your transactions.
Screenshots
Verdict
The clearest difference is rating: UniTrade at 5.0 against greenApes's 4.5. UniTrade also leads on update cadence (every 3 days vs every 2 weeks) and review sentiment (100% vs 77%). 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.
UniTrade holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 77% of greenApes's written reviews are positive against 100% of UniTrade's.
greenApes ships an update every 2 weeks, UniTrade every 3 days. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.
| Parameter | greenApes | UniTrade |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 77.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 8 — better |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 13.6 — better |
| Further details — not scored | ||
| Size | 37 MB | 37 MB |
| Age rating | 4+ | 12+ |
| Developer | greenApes | Ansh Chopra |
Customer experience
greenApes
UniTrade
In-app purchases
greenApes
No in-app purchases
UniTrade
No in-app purchases
