On vs Luz Atômica
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
On
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On-Key transcends being merely a virtual piano app - it's an inclusive musical universe! With its unique approach, it provides a welcoming environment for all aspiring musicians. Carefully chosen colors ensure visual comfort, and the clear, readable interface caters to a wide range of users. Dive into interactive lessons, refine your skills, and explore a vast musical repertoire. Whether you're a curious beginner or a seasoned enthusiast, On-Key adapts to your pace, offering support and encouragement with every note. Discover the magic of barrier-free music, join a vibrant community, and embark on your musical journey today. Download On-Key and let the music guide your inspiration, where everyone has a place to play and express themselves. Developed by Julia Gusmão, Luana Thomas, Matheus Venturini, Nathan Schostack and Pedro Muller.
Luz Atômica
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Aprenda de forma simples sobre Espiritualidade, Física Quântica e Prosperidade. O Luz Atômica oferece conteúdos exatos para expandir sua consciência, mudar sua vibração e transformar sua realidade. Ensinamos de maneira prática para você aplicar no seu dia a dia e ter resultados
Screenshots
Verdict
The clearest difference is update cadence: On at every 5 days against Luz Atômica's monthly. Luz Atômica's advantage is iOS requirement (15.1 vs 17.0). 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.
On ships an update every 5 days, Luz Atômica monthly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.
| Parameter | On | Luz Atômica |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 408 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Luana Thomas | Membox |
In-app purchases
On
No in-app purchases
Luz Atômica
No in-app purchases
