# ABYSS BATTERY PRO vs Piscisea

The clearest difference is update cadence: Piscisea at every 3 weeks against ABYSS BATTERY PRO's every 4 months. ABYSS BATTERY PRO's advantage is iOS requirement (13.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ABYSS BATTERY PRO against 5.0 for Piscisea. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ABYSS BATTERY PRO ships an update every 4 months, Piscisea every 3 weeks. The most recent releases landed on September 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ABYSS BATTERY PRO | Piscisea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/abyss-battery-pro/id6751563602/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/piscisea/id6755028550/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 46 MB | 62 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Abyss Battery, Inc.](https://appshunter.io/developer/1594681469) | [PISCISEA TECH INC](https://appshunter.io/developer/1851384290) |

## 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


### Piscisea

[App page](https://appshunter.io/ios/app/piscisea/id6755028550)

Control your smart fishing reel remotely, set automatic jigging parameters, and manage your catch data. This companion app allows for manual motor control and provides detailed winding records for sharing.

**Highlights:** Remote reel control, Auto jigging parameter setting, Manual motor and winding control, Torque curve viewing, Catch management and poster generation, Cross-device data sync

**Features:** macOS Compatibility

**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 Piscisea free?

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

### Which has better reviews, ABYSS BATTERY PRO or Piscisea?

ABYSS BATTERY PRO and Piscisea are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

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

Neither ABYSS BATTERY PRO nor Piscisea shows ads.

### Which is updated more often, ABYSS BATTERY PRO or Piscisea?

ABYSS BATTERY PRO ships an update every 4 months, and Piscisea every 3 weeks. Most recently, ABYSS BATTERY PRO was updated on September 26, 2026 and Piscisea on October 19, 2026.

---

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