# Main Energy vs Kailan

The clearest difference is update cadence: Kailan at every 10 days against Main Energy's every 3 months. Main Energy's advantage is iOS requirement (12.2 vs 14.5). 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.

Main Energy ships an update every 3 months, Kailan every 10 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Main Energy | Kailan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/kailan/id6446461616/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 57 MB | 25 MB |
| Requires iOS | **12.2** | 14.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Kyle Dumo](https://appshunter.io/developer/1542874663) |

## What reviewers say

### Main Energy

[App page](https://appshunter.io/ios/app/main-energy/id6444496734)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kailan

[App page](https://appshunter.io/ios/app/kailan/id6446461616)

This app simplifies event planning by allowing users to create events, propose dates, and vote on the best time to meet. It integrates with messaging to make coordinating hangouts effortless.

**Highlights:** Create events, Vote on dates, Set group availability, Schedule hangouts, Integrated with iMessage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Main Energy free?

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

### Is Kailan free?

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

### Do Main Energy or Kailan have ads?

Neither Main Energy nor Kailan shows ads.

### Which is updated more often, Main Energy or Kailan?

Main Energy ships an update every 3 months, and Kailan every 10 days. Most recently, Main Energy was updated on October 27, 2026 and Kailan on October 24, 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.*