# Guidosimplex vs ICARUS blue

The clearest difference is update cadence: ICARUS blue at every 2 months against Guidosimplex's every 28 months. Guidosimplex's advantage is iOS requirement (11.0 vs 16.4). 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.

Guidosimplex ships an update every 28 months, ICARUS blue every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Guidosimplex | ICARUS blue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 months** |
| Size | 11 MB | 14 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Changzhou Xinder-Tech Electronics Co., Ltd](https://appshunter.io/developer/1402533068) | [ICP Group B.V.](https://appshunter.io/developer/1155058018) |

## What reviewers say

### Guidosimplex

[App page](https://appshunter.io/ios/app/guidosimplex/id1549612487)

**In-app purchases:** none


### ICARUS blue

[App page](https://appshunter.io/ios/app/icarus-blue/id1600631301)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Guidosimplex free?

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

### Is ICARUS blue free?

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

### Do Guidosimplex or ICARUS blue have ads?

Neither Guidosimplex nor ICARUS blue shows ads.

### Which is updated more often, Guidosimplex or ICARUS blue?

Guidosimplex ships an update every 28 months, and ICARUS blue every 2 months. Most recently, Guidosimplex was updated on November 3, 2026 and ICARUS blue on November 7, 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.*