# Projecta BM500 vs KeldCo

The clearest difference is review sentiment: KeldCo at 100% against Projecta BM500's 0%. On price, update cadence, ads and in-app purchases 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, KeldCo every 6 months. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Projecta BM500 | KeldCo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keldco/id6738979069/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 24 MB | 235 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [Keld & Co Pty Ltd](https://appshunter.io/developer/1783266184) |

## 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


### KeldCo

[App page](https://appshunter.io/ios/app/keldco/id6738979069)

Manage your home security devices with live video monitoring, instant motion alerts, and two-way audio. Customize schedules, filter for human detection, and store footage locally or in the cloud. Control up to 120 devices and share access with family.

**Highlights:** Live video monitoring, Instant motion alerts, Two-way audio communication, Night vision (full-color & infrared), Customizable schedules & automation, Human detection filtering, Local & cloud storage options, Multi-device management

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

**In-app purchases:** none


## Frequently asked questions

### Is Projecta BM500 free?

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

### Is KeldCo free?

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

### Do Projecta BM500 or KeldCo have ads?

Neither Projecta BM500 nor KeldCo shows ads.

### Which is updated more often, Projecta BM500 or KeldCo?

Projecta BM500 ships an update every 7 months, and KeldCo every 6 months. Most recently, Projecta BM500 was updated on October 11, 2026 and KeldCo on October 28, 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.*