# FJAPP vs BATTLite

The clearest difference is update cadence: BATTLite at fortnightly 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, BATTLite fortnightly. The most recent releases landed on September 4, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | FJAPP | BATTLite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.8 (4 ratings)](https://appshunter.io/ios/app/battlite/id6752315865/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 45 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| 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) | [Lithiumix Inc.](https://appshunter.io/developer/1838850986) |

## What reviewers say

### FJAPP

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

**Features:** macOS Compatibility

**In-app purchases:** none


### BATTLite

[App page](https://appshunter.io/ios/app/battlite/id6752315865)

Visualize and monitor your lithium battery's performance in real-time. This tool connects via Bluetooth to display voltage, current, power, and charge/discharge status directly on your mobile device.

**Highlights:** Real-time battery monitoring, Bluetooth connectivity, Voltage, current, power display, SOC tracking, Charge/discharge status

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

**In-app purchases:** none


## Frequently asked questions

### Is FJAPP free?

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

### Is BATTLite free?

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

### Do FJAPP or BATTLite have ads?

Neither FJAPP nor BATTLite shows ads.

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

FJAPP ships an update monthly, and BATTLite fortnightly. Most recently, FJAPP was updated on September 4, 2026 and BATTLite on September 8, 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.*