# ABYSS BATTERY PRO vs CCountdown

The clearest difference is iOS requirement: ABYSS BATTERY PRO at 13.0 against CCountdown's 15.6. 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.

## The numbers

| Metric | ABYSS BATTERY PRO | CCountdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abyss-battery-pro/id6751563602/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 46 MB | 7 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Abyss Battery, Inc.](https://appshunter.io/developer/1594681469) | [Free Express App Limited](https://appshunter.io/developer/1882963928) |

## What reviewers say

### ABYSS BATTERY PRO

[App page](https://appshunter.io/ios/app/abyss-battery-pro/id6751563602)

Monitor your lithium battery system in real-time. View state of charge, voltage, current, temperature, and protection status. Designed for reliability in demanding environments.

**Highlights:** Live State of Charge (%), Real-time voltage, current, and temperature, Charge/discharge status, BMS protection alerts, Bluetooth Low Energy connection, Daylight-readable interface

**Features:** macOS Compatibility

**In-app purchases:** none


### CCountdown

[App page](https://appshunter.io/ios/app/ccountdown/id6767757007)

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

**In-app purchases:** none


## Frequently asked questions

### Is ABYSS BATTERY PRO free?

ABYSS BATTERY PRO is free to download, with no in-app purchases.

### Is CCountdown free?

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

### Do ABYSS BATTERY PRO or CCountdown have ads?

Neither ABYSS BATTERY PRO nor CCountdown 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.*