# Projecta BM500 vs iTechworld Connect

The clearest difference is review sentiment: iTechworld Connect at 32% against Projecta BM500's 0%. iTechworld Connect also leads on update cadence (every 6 days vs every 7 months). Projecta BM500's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Projecta BM500 ships an update every 7 months, iTechworld Connect every 6 days. The most recent releases landed on July 5, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Projecta BM500 | iTechworld Connect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **32.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 24 MB | 13 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [ITECHWORLD GLOBAL PTY LTD](https://appshunter.io/developer/1745464724) |

## What reviewers say

### Projecta BM500

[App page](https://appshunter.io/ios/app/projecta-bm500-bt/id1619339633)

This kit allows users to monitor their battery systems, displaying key information like current, voltage, state of charge, and remaining time. It is compatible with various battery types and voltages, offering accurate measurements for a comprehensive understanding of battery health.

**Highlights:** Real-time current monitoring up to 500A, Supports 12V, 24V, or 48V DC battery systems, Compatible with AGM, GEL, and LFP batteries, Displays voltage, SOC, and time remaining, Accurate current (+/- 0.4%) and voltage (+/- 0.3%) measurements

**In-app purchases:** none


### iTechworld Connect

[App page](https://appshunter.io/ios/app/itechworld-connect/id6502434668)

Monitor and control your iTechworld lithium batteries and power stations in real-time from your iPhone or iPad. Get instant insights into charge status, voltage, and temperature, with intelligent alerts for critical events.

**Highlights:** Real-time monitoring of charge, voltage, current, and temperature, Individual cell voltage tracking and cycle count, Home and lock screen widgets for quick status checks, Intelligent alerts for low battery, overheating, and connection loss, Bluetooth and QR code connection methods, Background monitoring, Remote charge and discharge control

**In-app purchases:** none


## Frequently asked questions

### Is Projecta BM500 free?

Projecta BM500 is free to download, with no in-app purchases.

### Is iTechworld Connect free?

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

### Do Projecta BM500 or iTechworld Connect have ads?

Neither Projecta BM500 nor iTechworld Connect shows ads.

### Which is updated more often, Projecta BM500 or iTechworld Connect?

Projecta BM500 ships an update every 7 months, and iTechworld Connect every 6 days. Most recently, Projecta BM500 was updated on July 5, 2026 and iTechworld Connect on September 21, 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.*