# ECO Battery vs GreenOE

The clearest difference is rating: ECO Battery at 4.0 against GreenOE's 1.4. ECO Battery also leads on update cadence (fortnightly vs every 7 months). On price, ratings volume, 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.

ECO Battery holds the better App Store score, 4.0 against 1.4. Both are backed by a comparable volume of ratings — 22 and 13 respectively.

ECO Battery ships an update fortnightly, GreenOE every 7 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ECO Battery | GreenOE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (22 ratings)](https://appshunter.io/ios/app/eco-battery/id6474708780/reviews)** | [1.4 (13 ratings)](https://appshunter.io/ios/app/greenoe/id6745133836/reviews) |
| Number of ratings | **22** | 13 |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free | Free |
| Size | 31 MB | 26 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Eco Capital, Inc.](https://appshunter.io/developer/1722379141) | [Shenzhen Boiling Water Technology Co., Ltd.](https://appshunter.io/developer/1688664790) |

## What reviewers say

### ECO Battery

[App page](https://appshunter.io/ios/app/eco-battery/id6474708780)

Monitor and manage your lithium battery's health and performance. Optimize charging and discharging cycles to extend battery lifespan. Get detailed insights into your battery's status.

**Highlights:** Lithium battery management, BMS monitoring, Performance optimization, Charging cycle control, Discharging cycle control, Battery health insights

**Features:** macOS Compatibility

**In-app purchases:** none


### GreenOE

[App page](https://appshunter.io/ios/app/greenoe/id6745133836)

This utility app offers smart battery solutions to optimize device power usage. It aims to enhance the longevity and efficiency of your device's battery. The application is designed for users seeking better power management.

**Highlights:** Smart battery optimization, Enhanced power efficiency, Device battery longevity, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECO Battery free?

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

### Is GreenOE free?

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

### Which has better reviews, ECO Battery or GreenOE?

ECO Battery is rated higher. ECO Battery averages 4.0 out of 5 from 22 ratings, while GreenOE averages 1.4 from 13 ratings.

### Do ECO Battery or GreenOE have ads?

Neither ECO Battery nor GreenOE shows ads.

### Which is updated more often, ECO Battery or GreenOE?

ECO Battery ships an update fortnightly, and GreenOE every 7 months. Most recently, ECO Battery was updated on November 4, 2026 and GreenOE on October 30, 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.*