# Digidot C4 vs IAM SIMON

The clearest difference is update cadence: Digidot C4 at every 2 months against IAM SIMON's every 12 months. Digidot C4 also leads on iOS requirement (10.0 vs 15.0). 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.

Digidot C4 ships an update every 2 months, IAM SIMON every 12 months. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Digidot C4 | IAM SIMON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Size | 40 MB | 41 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Invent Design B.V.](https://appshunter.io/developer/1044583067) | [Simon](https://appshunter.io/developer/531284305) |

## What reviewers say

### Digidot C4

[App page](https://appshunter.io/ios/app/digidot-c4/id1044583068)

**Features:** macOS Compatibility

**In-app purchases:** none


### IAM SIMON

[App page](https://appshunter.io/ios/app/iam-simon/id6475710231)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Digidot C4 free?

Digidot C4 is free to download, with no in-app purchases.

### Is IAM SIMON free?

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

### Do Digidot C4 or IAM SIMON have ads?

Neither Digidot C4 nor IAM SIMON shows ads.

### Which is updated more often, Digidot C4 or IAM SIMON?

Digidot C4 ships an update every 2 months, and IAM SIMON every 12 months. Most recently, Digidot C4 was updated on September 27, 2026 and IAM SIMON on October 6, 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.*