Net Zero Challenge vs Tasmi
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Net Zero Challenge
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This app is the companion for The Net Zero Challenge programme, designed to reward you for taking positive sustainability and wellbeing actions. With this app you will be able to earn Green Points for your actions in themes including Engagement, Sustainable Travel, Energy Saving, Waste & Recycling and Wellbeing. You can make submissions, opt into activities and earn Green Points as well as view leader boards and enter your weekly achievements.
Tasmi
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Memorise the Quran, ayah by ayah. Tasmi is a gentle, guided Quran memorisation companion built to take you from first hearing an ayah to reciting it in your salah. No pressure, no streak shaming. Just one small piece at a time, woven into the life you already have. WHY TASMI Quran memorisation is a lifelong journey, not a sprint. Tasmi is shaped around three quiet beliefs: Memorising should feel like a habit, not a chore. You learn best when you listen, read, and recite together. What you memorise should come back to you in salah and daily prayer, not just in tests. HOW IT WORKS Pick a surah and a range of ayahs you want to memorise. Tasmi turns it into a Challenge, then walks you through clear, bite-sized stages: from meeting the ayahs by ear with beautiful tilawah, to reading the Arabic mushaf with confidence, to reciting from memory, to bringing each verse into your prayer. Every stage pairs the Uthmani Arabic text with high-quality recitation, so your eyes and ears learn the ayah together, and your tajweed strengthens naturally with every listen. REVISE: YOUR PERSONAL REVIEW DECK Every ayah you memorise becomes a card in your personal review deck. Tasmi uses spaced repetition so your verses stay fresh long after the Challenge is finished. Open the Revise tab any time and tap a deck to start an Anki-style review: first-word prompts, gap-fills, and meaning recall, one card at a time. YOUR JOURNEY Watch your progress grow on the Journey page. See the surahs in progress, the ayahs you've already brought to memory, and a quiet daily streak that celebrates consistency without pressuring perfection. BEAUTIFUL ARABIC, BEAUTIFUL RECITATION Every ayah is rendered in the KFGQPC Uthmanic Hafs script of the standard mushaf, the same Arabic Quran text you find in the printed Madinah copy. Listen along to high-quality recitation from beloved reciters including Mishary Alafasy, Abdul Rahman Sudais, Mahmoud Khalil Al-Husary, and Maher Al-Muaiqly. Learn tajweed by ear, and watch the words you're reciting highlight in real time. FOR EVERY MUSLIM, EVERY DAY Whether you're new to Quran memorisation, a parent helping your child learn the Quran, or a returning student picking up ayahs you once knew, Tasmi meets you where you are. Build a daily Quran habit that fits naturally into your salah, dua, and dhikr, not around them. PRIVATE BY DESIGN Your progress lives on your device. Sign in to sync your goals across devices, or continue as a guest. Nothing is shared without your permission. FROM A SMALL TEAM Tasmi is an independent project built by Muslims who want memorising the Quran to feel kinder, more consistent, and more connected to prayer. We would love your du'a and your feedback. May Allah make the Quran the spring of our hearts.
Screenshots
Verdict
The clearest difference is device support: Net Zero Challenge at 3 against Tasmi's 1. Net Zero Challenge also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.
| Parameter | Net Zero Challenge | Tasmi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.1 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 66 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Green Rewards Ltd | Muhammad Israa Saifullah |
In-app purchases
Net Zero Challenge
No in-app purchases
Tasmi
No in-app purchases









