quBit in 2D vs Leanfast Play
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
quBit in 2D
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This app shows the two dimensional representation of Bloch sphere. Bloch sphere represents the state of the single qubit. Feel quantum!
Leanfast Play
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Com o objetivo de Capacitar e Qualificar Profissionais e Empresas para tornar as Estruturas Produtivas mais Eficientes e Lucrativas, o Leanfast Play inclui em sua estrutura, Cursos, Formações, Palestras, Workshops para o desenvolvimento dos profissionais, além de comunidade própria, certificados, medalhas, atendimento ao cliente 24/7 com inteligência artificial e selos para qualificar os profissionais. Os principais cursos e formações são: - Lean Manufacturing; - Lean Seis Sigma; - Especialista de Processos Produtivos; - Analista de Processos Produtivos; - Liderança de Alta Performance; - Economia Circular.
Screenshots
Verdict
The clearest difference is in-app purchases: Leanfast Play at none against quBit in 2D's 3. On price, update cadence, ads 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. quBit in 2D sells 3 one-off in-app purchases. Leanfast Play asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 11 months. Both last shipped on November 7, 2026.
| Parameter | quBit in 2D | Leanfast Play |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 11 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 0 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Sungjun Kim | The Members |
In-app purchases
quBit in 2D
- coffee$0.99
- latte$4.99
- whopper set$9.99
Leanfast Play
No in-app purchases
Questions
Is quBit in 2D free?
Is Leanfast Play free?
Do quBit in 2D or Leanfast Play have ads?
Which is updated more often, quBit in 2D or Leanfast Play?
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