# Ambium CBiosCalc vs Sim.digital GO

The clearest difference is update cadence: Ambium CBiosCalc at fortnightly against Sim.digital GO's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ambium CBiosCalc ships an update fortnightly, Sim.digital GO every 5 months. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ambium CBiosCalc | Sim.digital GO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Size | 25 MB | 69 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ambium](https://appshunter.io/developer/1507979734) | [HubSoft](https://appshunter.io/developer/1475693267) |

## What reviewers say

### Ambium CBiosCalc

[App page](https://appshunter.io/ios/app/ambium-cbioscalc/id1627072380)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sim.digital GO

[App page](https://appshunter.io/ios/app/simdigital-go/id1661950297)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ambium CBiosCalc free?

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

### Is Sim.digital GO free?

Sim.digital GO is free to download, with no in-app purchases.

### Do Ambium CBiosCalc or Sim.digital GO have ads?

Neither Ambium CBiosCalc nor Sim.digital GO shows ads.

### Which is updated more often, Ambium CBiosCalc or Sim.digital GO?

Ambium CBiosCalc ships an update fortnightly, and Sim.digital GO every 5 months. Most recently, Ambium CBiosCalc was updated on October 18, 2026 and Sim.digital GO on October 12, 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.*