# Zerobooks vs ECO Battery

The clearest difference is price: ECO Battery at Free against Zerobooks's $19.99. ECO Battery also leads on rating (3.9 vs 3.2) and review sentiment (64% vs 25%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

ECO Battery is free to download; Zerobooks costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ECO Battery holds the better App Store score, 3.9 against 3.2. Both are backed by a comparable volume of ratings — 25 and 19 respectively. Written reviews point the same way: 25% of Zerobooks's written reviews are positive against 64% of ECO Battery's.

## The numbers

| Metric | Zerobooks | ECO Battery |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [3.2 (25 ratings)](https://appshunter.io/ios/app/zerobooks-pro/id6449901775/reviews) | **[3.9 (19 ratings)](https://appshunter.io/ios/app/eco-battery/id6474708780/reviews)** |
| Number of ratings | **25** | 19 |
| Positive reviews | 25.0% of reviews | **63.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Paid | **Free** |
| Size | 56 MB | 31 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Rebecca Hustin](https://appshunter.io/developer/1644671209) | [Eco Capital, Inc.](https://appshunter.io/developer/1722379141) |

## What reviewers say

### Zerobooks

[App page](https://appshunter.io/ios/app/zerobooks-pro/id6449901775)

This app serves as a database for LN (Light Novel) entries. It allows users to access and manage information related to light novels.

**Highlights:** LN Database, Information Access, Entry Management, Light Novel Tracking

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Zerobooks free?

Zerobooks costs $19.99, with no in-app purchases.

### Is ECO Battery free?

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

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

ECO Battery is rated higher. Zerobooks averages 3.2 out of 5 from 25 ratings, while ECO Battery averages 3.9 from 19 ratings.

### Do Zerobooks or ECO Battery have ads?

Neither Zerobooks nor ECO Battery shows ads.

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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.*