# Efergy Smart vs Kilow

The clearest difference is update cadence: Efergy Smart at weekly against Kilow's every 7 months. Efergy Smart also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Efergy Smart ships an update weekly, Kilow every 7 months. The most recent releases landed on June 11, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | Efergy Smart | Kilow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/efergy-smart/id6447052743/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Free | — |
| Size | 196 MB | 134 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou LinkLink Technology Co., Ltd.](https://appshunter.io/developer/1624873635) | [Sultan Algithami](https://appshunter.io/developer/1653605347) |

## What reviewers say

### Efergy Smart

[App page](https://appshunter.io/ios/app/efergy-smart/id6447052743)

Monitor your home's electricity consumption in real-time and receive personalized recommendations to improve energy efficiency and reduce costs. Visualize your energy usage patterns over time with detailed historical data and graphical comparisons.

**Highlights:** Real-time electricity monitoring, Historical energy usage data, Graphical comparisons (hourly, daily, weekly, monthly), Actionable energy-saving recommendations, Smart home energy management

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Kilow

[App page](https://appshunter.io/ios/app/kilow-ev-charging-solution/id6642669747)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Efergy Smart free?

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

### Is Kilow free?

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

### Do Efergy Smart or Kilow have ads?

Neither Efergy Smart nor Kilow shows ads.

### Which is updated more often, Efergy Smart or Kilow?

Efergy Smart ships an update weekly, and Kilow every 7 months. Most recently, Efergy Smart was updated on June 11, 2026 and Kilow on May 14, 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.*