# EchoCharge vs Smart Candle

EchoCharge and Smart Candle are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

EchoCharge ships an update fortnightly, Smart Candle monthly. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | EchoCharge | Smart Candle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 48 MB | 47 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Yunku Intelligence Equipment Co., Ltd.](https://appshunter.io/developer/1585628722) | [SHENZHEN QUANLIANGYU BIOTECHNOLOGY CO.,LTD](https://appshunter.io/developer/1330179432) |

## What reviewers say

### EchoCharge

[App page](https://appshunter.io/ios/app/echocharge/id1642877283)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Candle

[App page](https://appshunter.io/ios/app/smart-candle/id6751098524)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EchoCharge free?

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

### Is Smart Candle free?

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

### Do EchoCharge or Smart Candle have ads?

Neither EchoCharge nor Smart Candle shows ads.

### Which is updated more often, EchoCharge or Smart Candle?

EchoCharge ships an update fortnightly, and Smart Candle monthly. Most recently, EchoCharge was updated on October 18, 2026 and Smart Candle on October 3, 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.*