HaiDi Pro vs i
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HaiDi Pro
Monitor and manage your lithium battery packs via Bluetooth. View detailed status information, set protection parameters, and receive real-time alerts for abnormalities. Access historical alarm records for troubleshooting.
- Connect via Bluetooth
- Read battery pack status
- View voltage, current, temperature
- Set protection parameters
- Receive abnormality alarms
- Historical alarm records
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1. Connect the BMS Bluetooth module through the mobile phone Bluetooth to read the status information of the lithium battery pack; 2. You can view the voltage, total voltage, remaining power, real-time current, cycle times, temperature, pressure difference, etc. of each string of the battery pack, and you can set the protection parameters according to your own needs; 3. An alarm is issued when the battery pack is abnormal, which is convenient for users to check and repair, and provides historical alarm records;
i
Monitor your i-tecc+ LiFePO4 batteries with detailed insights. Track state of charge, capacity, power usage, temperature, and charge cycles. Essential for managing battery health and performance.
- Monitor state of charge
- Track battery capacity
- View power consumption
- Check battery temperature
- Record charge cycles
- LiFePO4 battery information
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i-tecc+ BMS is the perfect tool to get important information about your i-tecc+ LiFePO4 batteries, such as current state of charge, battery capacity, power consumption, temperature, charge cycles and much more.
Screenshots
Verdict
The clearest difference is update cadence: HaiDi Pro at every 2 months against i's every 19 months. On price, review sentiment, ads and in-app purchases 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.
HaiDi Pro ships an update every 2 months, i every 19 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.
| Parameter | HaiDi Pro | i |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 19 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 122 MB | 34 MB |
| Age rating | 17+ | 4+ |
| Developer | Haidi Energy Tehcnogy Co., Ltd | i-tecc batteries GmbH |
Customer experience
HaiDi Pro
i
In-app purchases
HaiDi Pro
No in-app purchases
i
No in-app purchases
