# FJAPP vs Pro

The clearest difference is update cadence: Pro at every 2 weeks against FJAPP's monthly. 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.

FJAPP ships an update monthly, Pro every 2 weeks. The most recent releases landed on September 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | FJAPP | Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pro-guide-ev/id6648759979/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 45 MB | 69 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [凡己科技(苏州)有限公司](https://appshunter.io/developer/6806164722) | [Battery Outfitters, Inc](https://appshunter.io/developer/1643911275) |

## What reviewers say

### FJAPP

[App page](https://appshunter.io/ios/app/fjapp/id6476473286)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pro

[App page](https://appshunter.io/ios/app/pro-guide-ev/id6648759979)

Monitor your battery's real-time status, including voltage, current, and internal resistance. Track historical data, compare cell performance, and receive alerts for temperature, short circuits, and voltage deviations. This system helps optimize lithium battery health and lifespan.

**Highlights:** Real-time voltage, current, power monitoring, Battery cell comparison and balance display, Cell temperature and fault warnings, Historical data charting, Bluetooth connectivity to equalizer, Alarm prompts for critical parameters

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FJAPP free?

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

### Is Pro free?

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

### Do FJAPP or Pro have ads?

Neither FJAPP nor Pro shows ads.

### Which is updated more often, FJAPP or Pro?

FJAPP ships an update monthly, and Pro every 2 weeks. Most recently, FJAPP was updated on September 4, 2026 and Pro on September 10, 2026.

---

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