TATTU vs OVONIC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TATTU
This utility app provides battery management system (BMS) functions for smart batteries. It allows users to monitor and control battery parameters. Designed for efficient battery operation and maintenance.
- Battery Management System (BMS)
- Smart battery monitoring
- Battery parameter control
- Efficient battery operation
- Battery maintenance functions
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TATTU智能电池 BMS管理系统。
OVONIC
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1. Start and stop the charger tasks 2. Set the charger task parameters 3. Analyze and diagnose the working condition of the charger
Screenshots
Verdict
The clearest difference is update cadence: OVONIC at every 8 days against TATTU's every 2 months. On price, ads, in-app purchases and device support 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.
TATTU ships an update every 2 months, OVONIC every 8 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.
| Parameter | TATTU | OVONIC |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Grepow Battery Co.Ltd. | E-MATE DEVELOP MENT CO ., LIMITED |
In-app purchases
TATTU
No in-app purchases
OVONIC
No in-app purchases
