# IC5 vs Impact!

The clearest difference is in-app purchases: IC5 at none against Impact!'s 1. IC5 also leads on iOS requirement (8.0 vs 26.0). Impact!'s advantage is update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Impact! sells 1 one-off in-app purchase. IC5 asks for nothing beyond the download.

IC5 ships an update every 3 months, Impact! fortnightly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | IC5 | Impact! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 16 MB | 13 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Profort AS](https://appshunter.io/developer/1107285599) | [Audun Kjelstrup](https://appshunter.io/developer/989920958) |

## What reviewers say

### IC5

[App page](https://appshunter.io/ios/app/ic5/id1070497366)

**Features:** macOS Compatibility

**In-app purchases:** none


### Impact!

[App page](https://appshunter.io/ios/app/impact-ballistic-calculator/id6476831891)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Impact! Pro | $14.99 | one-time |


## Frequently asked questions

### Is IC5 free?

IC5 is free to download, with no in-app purchases.

### Is Impact! free?

Impact! is free to download, with in-app purchases available.

### Do IC5 or Impact! have ads?

Neither IC5 nor Impact! shows ads.

### Which is updated more often, IC5 or Impact!?

IC5 ships an update every 3 months, and Impact! fortnightly. Most recently, IC5 was updated on October 29, 2026 and Impact! on October 30, 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.*