# E vs PowerBoost

The clearest difference is in-app purchases: E at none against PowerBoost's 1. E also leads on iOS requirement (12.0 vs 15.6). PowerBoost's advantage is update cadence (every 2 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. PowerBoost sells 1 one-off in-app purchase. E asks for nothing beyond the download.

E ships an update every 7 months, PowerBoost every 2 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | E | PowerBoost |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 28 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eplusi Technology Company Limited](https://appshunter.io/developer/1406769609) | [Duc Lai](https://appshunter.io/developer/1763002953) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-sensor-storage/id1448096668)

**Features:** macOS Compatibility

**In-app purchases:** none


### PowerBoost

[App page](https://appshunter.io/ios/app/powerboost-battery-saver-pro/id6547845173)

Extend your device's battery life and enhance performance with smart optimization tools. Monitor battery health, manage power consumption, and identify high-drain apps for a smoother, longer-lasting experience. Enjoy advanced diagnostics and custom power modes.

**Highlights:** Extend battery life, Accelerate performance, Monitor battery health, Smart battery saver, App usage tracker, Custom power modes, Advanced diagnostics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Power Boost Pro: Premium | $4.99 | one-time |


## Frequently asked questions

### Is E free?

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

### Is PowerBoost free?

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

### Do E or PowerBoost have ads?

Neither E nor PowerBoost shows ads.

### Which is updated more often, E or PowerBoost?

E ships an update every 7 months, and PowerBoost every 2 months. Most recently, E was updated on October 5, 2026 and PowerBoost on October 9, 2026.

---

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