# INCH Core vs Rapid Charge

The clearest difference is update cadence: INCH Core at fortnightly against Rapid Charge's every 2 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.

INCH Core ships an update fortnightly, Rapid Charge every 2 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | INCH Core | Rapid Charge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 105 MB | 127 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ETREL d.o.o.](https://appshunter.io/developer/1715728360) | [D-LIGHT Group](https://appshunter.io/developer/1537442142) |

## What reviewers say

### INCH Core

[App page](https://appshunter.io/ios/app/inch-core/id6475773662)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rapid Charge

[App page](https://appshunter.io/ios/app/rapid-charge/id6747307197)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is INCH Core free?

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

### Is Rapid Charge free?

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

### Do INCH Core or Rapid Charge have ads?

Neither INCH Core nor Rapid Charge shows ads.

### Which is updated more often, INCH Core or Rapid Charge?

INCH Core ships an update fortnightly, and Rapid Charge every 2 months. Most recently, INCH Core was updated on October 6, 2026 and Rapid Charge on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*