# iwis impulse vs inside.cts

iwis impulse and inside.cts are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 2, 2026.

## The numbers

| Metric | iwis impulse | inside.cts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 86 MB | 83 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iwis SE & Co. KG](https://appshunter.io/developer/1403276145) | [Caritas Trägergesellschaft Saarbrücken mbH (cts)](https://appshunter.io/developer/1783482196) |

## What reviewers say

### iwis impulse

[App page](https://appshunter.io/ios/app/iwis-impulse/id1592664470)

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

**In-app purchases:** none


### inside.cts

[App page](https://appshunter.io/ios/app/insidects/id6739033150)

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

**In-app purchases:** none


## Frequently asked questions

### Is iwis impulse free?

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

### Is inside.cts free?

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

### Do iwis impulse or inside.cts have ads?

Neither iwis impulse nor inside.cts shows ads.

### Which is updated more often, iwis impulse or inside.cts?

iwis impulse ships an update fortnightly, and inside.cts fortnightly. Most recently, iwis impulse was updated on October 2, 2026 and inside.cts on October 2, 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.*