Bitcoin Sim vs Kaft Pay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bitcoin Sim
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Explore hypothetical Bitcoin price and portfolio scenarios with customisable Monte Carlo simulations. Set your assumptions, run a simulation and explore the possible outcomes in tables, charts and plain-English insights. • Shape your scenario with growth, volatility, time-period and model settings. • Model an initial investment, regular contributions, fees and withdrawals. • Explore Bitcoin prices, holdings and portfolio values through time. • Zoom and pan interactive charts, and switch between Bitcoin price and portfolio value. • Compare scenarios with a repeatable random seed and explore advanced model settings. • Follow the guided setup and reopen the Quick Guide whenever you need help. • Use adaptive layouts on iPhone and iPad, including iPhone Duo tabletop charts and a live Bitcoin display. Bitcoin Sim is a paid-upfront app. Simulations and advanced settings are included, with no additional in-app purchase required. Simulation outcomes depend on the assumptions you choose. They are hypothetical possibilities, not forecasts or investment advice. Bitcoin Sim does not provide trading, brokerage or wallet services.
Kaft Pay
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KaftPay бизнесларга онлайн тўловларни қабул қилиш, бошқариш ва мониторинг қилиш учун замонавий платформани тақдим этади. Барча асосий тўлов тизимлари билан ишланг ва тўлов жараёнларини битта платформада бошқаринг
Screenshots
Verdict
The clearest difference is price: Kaft Pay at Free against Bitcoin Sim's $0.99. Kaft Pay also leads on in-app purchases (none vs 2) and iOS requirement (15.1 vs 18.0). On 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
Kaft Pay is free to download; Bitcoin Sim costs $0.99 up front. Bitcoin Sim sells 2 one-off in-app purchases. Kaft Pay asks for nothing beyond the download.
Bitcoin Sim ships an update every 5 days, Kaft Pay weekly. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | Bitcoin Sim | Kaft Pay |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Conor Nolan | KAFTPAY, MCHJ |
In-app purchases
Bitcoin Sim
- 25 Simulation Credits$0.99
- Pro – Unlimited • 11× Faster$7.99
Kaft Pay
No in-app purchases









