# chargeBIG vs Interroll Product App

The clearest difference is update cadence: chargeBIG at every 2 months against Interroll Product App's every 6 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.

chargeBIG ships an update every 2 months, Interroll Product App every 6 months. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | chargeBIG | Interroll Product App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 61 MB | 40 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MAHLE chargeBIG GmbH](https://appshunter.io/developer/1811535150) | [Interroll Software & Electronics GmbH](https://appshunter.io/developer/1575377048) |

## What reviewers say

### chargeBIG

[App page](https://appshunter.io/ios/app/chargebig/id1495948606)

Easily find and unlock electric vehicle charging stations. Track your charging progress in real-time, monitor energy consumption, and receive email receipts after each session. Compatible with iPhone and iPod.

**Highlights:** Unlock charging points via QR code or ID, Track charging process in real-time, Monitor charged amount (kWh) and power (kW), Enter payment details and receive email receipts, Find chargeBIG charging points

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Interroll Product App

[App page](https://appshunter.io/ios/app/interroll-product-app/id1618761516)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is chargeBIG free?

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

### Is Interroll Product App free?

Interroll Product App is free to download, with no in-app purchases.

### Do chargeBIG or Interroll Product App have ads?

Neither chargeBIG nor Interroll Product App shows ads.

### Which is updated more often, chargeBIG or Interroll Product App?

chargeBIG ships an update every 2 months, and Interroll Product App every 6 months. Most recently, chargeBIG was updated on October 3, 2026 and Interroll Product App on October 5, 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.*