CO₂ Aware vs Terralox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CO₂ Aware
This app encourages daily actions to combat climate change with a growing interactive tree visualization. It offers environmental news and integrates with Apple Health to promote walking, helping users reduce their carbon footprint.
- Daily climate action tracking
- Interactive growing tree visualization
- Environmental news abstracts and links
- Apple Health integration for step tracking
- Photo record of completed actions
- Reminder of past accomplishments
Read full descriptionHide full description
Leaving a smaller footprint requires change. CO₂ Aware is a high school student project focuses on small, daily actions that individuals can take to enable great change. People of today believe in technology, and we believe technology can also help mitigate the problem of climate change. This app includes dozens of essential actions that help you to be aware of climate change. An interactive tree is visible on the home page. As you complete more actions, it grows. This visualization allows you to experience tangibly and profoundly what you contribute to a better environment. Furthermore, you can take a picture when they complete an action, which serves as a record of your contribution. A section on the front page also shows a random action completed in the past, reminding your past accomplishments. Beyond actions, CO2 Aware also provides abstracts and links to high-quality news articles from renowned sources that allow you to acquire environmental knowledge. This app integrates with Apple Health on your iPhone in order to acquire your steps data and encourage you to walk. This helps reduce physical inactivity and prevents air pollution. We do not upload or analyze any data. We will be adding more thrilling features in the future. Just wait and see! Thanks for downloading this app. If you have any questions or comments, don't hesitate to send an email to shoguns.lenses.0s@icloud.com
Terralox
This app personalizes the challenge of climate change by letting you see a 3D Earth respond to your daily eco-friendly actions. Complete small missions to track your real impact and build sustainable habits, with AR features to bring the planet into your room.
- Daily eco-missions
- Track real-world impact
- 3D Earth visualization
- Augmented Reality mode
- Build eco-streaks
- VoiceOver and Voice Control support
Read full descriptionHide full description
Terralox — Where Your Actions Shape Earth Climate change feels overwhelming. Terralox makes it personal. Watch a living, breathing 3D Earth respond to your daily choices. With three small eco-missions every day, Terralox transforms the abstract challenge of climate change into tiny, doable actions you can take right now and see the real-world impact. What you'll do - Three daily missions tailored to your routine: walking instead of driving, saving water, reducing waste, planting, supporting your local park - Track your real, measurable impact: water saved, CO₂ reduced, energy conserved, tree equivalents planted - Build an eco-streak: turn environmental awareness into a lasting daily habit A planet that responds The 3D Earth at the heart of Terralox isn't decoration, it's a real-time mirror of your actions: - Forests grow when you act - Ice caps recover when you reduce - Temperature stabilizes with conscious choices - Skip your missions, and you'll see the consequences Statistics rarely move people. But watching your planet thrive because of your daily choices? That's something you'll feel. Bring Earth into your room in AR Tap to place a fully interactive 3D Earth on any flat surface. Walk around it, examine the polar caps, watch forests bloom. Designed for everyone Built with accessibility from day one: - Full VoiceOver support on every interactive element - Voice Control: navigate the entire app hands-free - Optimized for iPhone and iPad, including landscape - Requires iOS 16 or later Privacy-first, by design - No accounts. No logins. No tracking. - No ads. No in-app purchases. - Your progress stays on your device, with optional sync to your own iCloud - Camera used only for AR mode, never recorded, never transmitted Who it's for Anyone overwhelmed by climate change who wants to channel that energy into action: - Students looking for meaning beyond grades - Parents teaching environmental responsibility - Educators searching for a hands-on tool - Anyone tired of just reading the news Three missions a day. Real impact. A planet that responds to you. This is Terralox.
Screenshots
Verdict
The clearest difference is rating: Terralox at 5.0 against CO₂ Aware's 4.0. Terralox also leads on update cadence (every 3 weeks vs every 3 months). CO₂ Aware's advantage is monetization model (free vs paid). On price, ratings volume, 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.
Terralox holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
CO₂ Aware ships an update every 3 months, Terralox every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | CO₂ Aware | Terralox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 2 | 2 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 11 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Shouzhi Wang | Fampot |
Customer experience
CO₂ Aware
Terralox
In-app purchases
CO₂ Aware
No in-app purchases
Terralox
No in-app purchases









