# BMS vs KeyCard Lite

BMS and KeyCard Lite both sit at 5.0 stars, but that hides the real split: 100% of KeyCard Lite's written reviews are positive against 20% of BMS's. KeyCard Lite also leads on update cadence (every 3 days vs every 2 months) and ratings volume (4 vs 1). BMS's advantage is in-app purchases (none vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. KeyCard Lite sells 1 in-app purchase, starting at $0.99 per year. BMS asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for BMS against 5.0 for KeyCard Lite. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews are what separate them: 20% of BMS's written reviews are positive against 100% of KeyCard Lite's.

BMS ships an update every 2 months, KeyCard Lite every 3 days. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | BMS | KeyCard Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bms-tool/id6471949475/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/keycard-lite/id6779352554/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 29 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [秀丽 唐](https://appshunter.io/developer/1715570419) | [Marlon Milanes Rivero](https://appshunter.io/developer/1691214624) |

## What reviewers say

### BMS

[App page](https://appshunter.io/ios/app/bms-tool/id6471949475)

Monitor and manage your device's battery health with real-time data, historical records, and customizable alerts for over-charge, over-discharge, and temperature. Connect locally via Bluetooth or remotely via Wi-Fi to track battery status, cell performance, and potential issues.

**Highlights:** Real-time battery data (current, voltage, SOC, SOH), Cell-level monitoring, Historical alarm and protection records, Customizable warning values, Bluetooth and Wi-Fi connectivity, Device sharing and management

**In-app purchases:** none


### KeyCard Lite

[App page](https://appshunter.io/ios/app/keycard-lite/id6779352554)

Securely store and organize your important cards and personal financial information. Access details quickly with a clean, lightweight interface. Protect your data with biometric authentication and iCloud sync.

**Highlights:** Save and organize cards, Manage personal finance info, Quick access to details, Face ID/Touch ID protection, Secure iCloud sync, Lightweight interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyCard Lite Annual | $0.99 | per year |


## Frequently asked questions

### Is BMS free?

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

### Is KeyCard Lite free?

KeyCard Lite is free to download, with in-app purchases available.

### Which has better reviews, BMS or KeyCard Lite?

BMS and KeyCard Lite are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do BMS or KeyCard Lite have ads?

Neither BMS nor KeyCard Lite shows ads.

### Which is updated more often, BMS or KeyCard Lite?

BMS ships an update every 2 months, and KeyCard Lite every 3 days. Most recently, BMS was updated on September 23, 2026 and KeyCard Lite on September 20, 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.*