# SDB Power vs UnifyCharge

The clearest difference is update cadence: UnifyCharge at monthly against SDB Power's every 2 months. SDB Power's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SDB Power ships an update every 2 months, UnifyCharge monthly. The most recent releases landed on July 6, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SDB Power | UnifyCharge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/unifycharge/id6747754814/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 81 MB | 91 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [SHENG DE BAO INVESTMENT CO.,LTD.](https://appshunter.io/developer/1813354245) | [OONE POWER TECHNOLOGY CO., LTD](https://appshunter.io/developer/1561639168) |

## What reviewers say

### SDB Power

[App page](https://appshunter.io/ios/app/sdb-power/id6745690026)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnifyCharge

[App page](https://appshunter.io/ios/app/unifycharge/id6747754814)

Find charging stations, plan routes, and stay powered up for your electric vehicle. This navigation app aims to simplify EV travel. Download the beta to help shape its future.

**Highlights:** Find charging stations, Plan EV routes, Stay powered on the go, Beta release

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SDB Power free?

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

### Is UnifyCharge free?

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

### Do SDB Power or UnifyCharge have ads?

Neither SDB Power nor UnifyCharge shows ads.

### Which is updated more often, SDB Power or UnifyCharge?

SDB Power ships an update every 2 months, and UnifyCharge monthly. Most recently, SDB Power was updated on July 6, 2026 and UnifyCharge on September 7, 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.*