CO₂ Aware vs TrueCost
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
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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
TrueCost
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TrueCost helps you make smarter spending decisions by showing the real price of every purchase: your time. Instead of only tracking money, TrueCost converts each expense into life hours based on your income and work rhythm. You instantly see how much of your day, week, and life energy each purchase costs, so you can spend with more clarity and intention. Why people love TrueCost: - Convert prices into life hours in seconds - Build mindful spending habits - Use AI-powered reframes before impulsive buys - Track spending vs. resisted purchases - View clean dashboards and trend insights - Review detailed purchase history - Stay private with local-first data storage How it works: 1. Set your income, working hours, and days 2. Enter a purchase amount 3. See the true cost in time 4. Reflect, resist, or record 5. Improve your habits over time Premium Subscription: Upgrade to remove ads and enjoy a cleaner experience. Benefits include: - Ad-free experience - Unlimited AI reframes - Support ongoing development Designed for clarity, speed, and behavior change, TrueCost helps you pause before spending and align purchases with what matters most. If you want to spend less impulsively, save more intentionally, and make your money choices feel calmer and more conscious, TrueCost is for you. Download TrueCost and start treating your time like the wealth it truly is.
Screenshots
Verdict
The clearest difference is in-app purchases: CO₂ Aware at none against TrueCost's 1. CO₂ Aware also leads on ads (none vs shown). TrueCost's advantage is update cadence (every 5 days vs every 3 months). On price, device support and iOS requirement 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. TrueCost sells 1 in-app purchase, starting at $1.99 per year. CO₂ Aware asks for nothing beyond the download.
CO₂ Aware ships an update every 3 months, TrueCost every 5 days. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.
| Parameter | CO₂ Aware | TrueCost |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Shouzhi Wang | Abdelwahed farabi |
In-app purchases
CO₂ Aware
No in-app purchases
TrueCost
- Yearly ad-free experience$1.991 Year









