WATTS Battery vs BladderUSG Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WATTS Battery
This application enables communication with a smart, portable energy storage module. It allows users to store solar energy and utilize it when needed, serving as an alternative to generators or an intelligent home energy management system.
- Communicate with WattsBattery module
- Store and manage solar energy
- Alternative to gasoline generators
- Intelligent home energy management
- Modular energy storage system
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App to communicate with WattsBattery module - a smart, portable energy storage, which combines all the functionalities of a large, stationary energy storage system in one modular case. WATTS allows you to store solar energy and give it back at a time when it's really needed. Use it as an alternative for a gasoline generator or as an intelligent storage and energy management system for your home. Each module is a full-featured power supply and energy management system. We have combined all components in a single package so that the device can be used immediately from the box.
BladderUSG Pro
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*Medical Disclaimer This App’s imaging features are available and intended for diagnostic or procedure guidance purposes only when certified medical professionals use Bladderscanner transducers (Medical Device). This App only displays or manages ultrasound imaging or Doppler signals, and Image interpreting and specific diagnosis shall be left to qualified medical professionals. The imaging or Doppler signals displayed are only for certified medical professionals, not meant to provide medical advice or dia。Our bladder analyzer has obtained medical license in China and FDA certification in the United States.Registration Certificate No.: Yue Xi Zhu Zhun 20160261592 US FDA Certificate K172750 Jurisdiction Statement: This application is intended for use in China and the United States. We control and operate this APP in the China ("China") and the United States; Unless otherwise specified, the materials displayed on this app are only for the purpose of promoting products and services within China and the United States. We have not made any statements regarding the applicability or suitability of any materials on this APP in any other region. If you choose to access this app from another location, it is your responsibility to comply with applicable local laws.
Screenshots
Verdict
The clearest difference is iOS requirement: WATTS Battery at 13.0 against BladderUSG Pro's 15.0. On price, update cadence, 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.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.
| Parameter | WATTS Battery | BladderUSG Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Uatts Beteri, OOO | SonoStarMed |
In-app purchases
WATTS Battery
No in-app purchases
BladderUSG Pro
No in-app purchases









