BC2500 vs QmailClient
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BC2500
Monitor your Apple device's charging and discharging data in real-time. This app connects to a specific battery charger via Bluetooth to display performance metrics.
- Real-time charging/discharging data display
- Bluetooth communication
- Supports iPhone, iPod, and iPad
- Integrates with BC2500 Battery Charger
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BC2500 seamlessly integrates advancements in portable computing with the BC2500 Battery Charger;bringing real-time monitoring to your Apple® devices such as the iTouch, iPhone and iPad. With the Bluetooth communication, the BC2500 can display your charger’s charging/discharging data.
QmailClient
Access and manage all your email accounts from your mobile device. Browse, compose, reply, and organize emails stored on your QNAP NAS, even offline. Attach photos directly from your phone to emails.
- Manage multiple email accounts
- Browse emails from QNAP NAS
- Attach photos to emails
- Download attachments for offline reading
- Read, reply, forward, and delete emails
- Offline mail reading capability
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Manage all of your email accounts in the same place ! Connect your email accounts on your QNAP NAS with your iOS mobile devices to get started. Prerequisites: - iOS 16 or above - QNAP NAS running firmware version 4.3.3 or above Features: - Browse the email accounts on the Turbo NAS anytime, anywhere. - Support to attach photo from your mobile when compose mail. - Download your attachments to mobile devices for offline reading. - Easy management: Read, reply, replay, forward, move, flag, mark or delete mails on the Turbo NAS, all via your mobile device. No computer required. - Offline mail reading: QmailClient cache your mail from the Turbo NAS to mobile devices for offline reading.
Screenshots
Verdict
The clearest difference is update cadence: BC2500 at every 3 weeks against QmailClient's every 4 months. BC2500 also leads on review sentiment (18% vs 0%) and iOS requirement (6.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BC2500 ships an update every 3 weeks, QmailClient every 4 months. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.
| Parameter | BC2500 | QmailClient |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (6 ratings) — better |
| Positive reviews | 18.2% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 6.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 9 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | technotrade Import-Export GmbH | QNAP Systems, Inc. |
Customer experience
BC2500
QmailClient
In-app purchases
BC2500
No in-app purchases
QmailClient
No in-app purchases









