# E vs Charge Spy

The clearest difference is update cadence: E at weekly against Charge Spy's every 6 weeks. E also leads on iOS requirement (13.0 vs 15.0). 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.

E ships an update weekly, Charge Spy every 6 weeks. The most recent releases landed on September 17, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | E | Charge Spy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 76 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LITE-ON TECHNOLOGY CORP.](https://appshunter.io/developer/511806419) | [Charge Spy LLC](https://appshunter.io/developer/1788522566) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-on-mobile/id6444123287)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Charge Spy

[App page](https://appshunter.io/ios/app/charge-spy/id6740144677)

Take full control of your device's charging. Monitor the process in real-time, limit current and charge percentage to protect your battery, and customize charging profiles for different stations. Easily update firmware for new features and improvements.

**Highlights:** Real-time charging monitoring, Limit charging current, Limit maximum charge percentage, Select charging profiles, Firmware updates

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Charge Spy free?

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

### Do E or Charge Spy have ads?

Neither E nor Charge Spy shows ads.

### Which is updated more often, E or Charge Spy?

E ships an update weekly, and Charge Spy every 6 weeks. Most recently, E was updated on September 17, 2026 and Charge Spy on August 27, 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.*