# Bitcoin Sim vs sBook

The clearest difference is price: sBook at Free against Bitcoin Sim's $0.99. sBook also leads on in-app purchases (none vs 2) and iOS requirement (13.0 vs 18.0). Bitcoin Sim's advantage is update cadence (every 4 days vs every 2 months). On ads and device support there is nothing between them.

sBook is free to download; Bitcoin Sim costs $0.99 up front. Bitcoin Sim sells 2 one-off in-app purchases. sBook asks for nothing beyond the download.

Bitcoin Sim ships an update every 4 days, sBook every 2 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Bitcoin Sim | sBook |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 36 MB | 26 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Conor Nolan](https://appshunter.io/developer/1798627652) | [Diyorjon Shukriddinov](https://appshunter.io/developer/1885213985) |

## What reviewers say

### Bitcoin Sim

[App page](https://appshunter.io/ios/app/bitcoin-sim/id6743064564)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Simulation Credits | $0.99 | one-time |
| Pro – Unlimited • 11× Faster | $7.99 | one-time |


### sBook

[App page](https://appshunter.io/ios/app/sbook/id6760594730)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bitcoin Sim free?

Bitcoin Sim costs $0.99, and also offers in-app purchases.

### Is sBook free?

sBook is free to download, with no in-app purchases.

### Do Bitcoin Sim or sBook have ads?

Neither Bitcoin Sim nor sBook shows ads.

### Which is updated more often, Bitcoin Sim or sBook?

Bitcoin Sim ships an update every 4 days, and sBook every 2 months. Most recently, Bitcoin Sim was updated on September 19, 2026 and sBook on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*