# EnergyStoragePro vs AmpSaver

The clearest difference is iOS requirement: EnergyStoragePro at 11.0 against AmpSaver's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EnergyStoragePro ships an update every 3 weeks, AmpSaver every 2 weeks. The most recent releases landed on September 9, 2026 and August 3, 2026 respectively.

## The numbers

| Metric | EnergyStoragePro | AmpSaver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 51 MB | 44 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [英飞特电子(杭州)股份有限公司](https://appshunter.io/developer/1710891505) | [AmpSavers](https://appshunter.io/developer/1800457398) |

## What reviewers say

### EnergyStoragePro

[App page](https://appshunter.io/ios/app/energystoragepro/id6478477883)

**Features:** macOS Compatibility

**In-app purchases:** none


### AmpSaver

[App page](https://appshunter.io/ios/app/ampsaver/id6742898362)

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

**In-app purchases:** none


## Frequently asked questions

### Is EnergyStoragePro free?

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

### Is AmpSaver free?

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

### Do EnergyStoragePro or AmpSaver have ads?

Neither EnergyStoragePro nor AmpSaver shows ads.

### Which is updated more often, EnergyStoragePro or AmpSaver?

EnergyStoragePro ships an update every 3 weeks, and AmpSaver every 2 weeks. Most recently, EnergyStoragePro was updated on September 9, 2026 and AmpSaver on August 3, 2026.

---

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