# ALPHA vs HAEi Event

The clearest difference is update cadence: HAEi Event at every 5 days against ALPHA's every 4 months. ALPHA's advantage is iOS requirement (12.4 vs 15.1). 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.

ALPHA ships an update every 4 months, HAEi Event every 5 days. The most recent releases landed on May 19, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | ALPHA | HAEi Event |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 18 MB | 35 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Snapiot](https://appshunter.io/developer/1457387084) | [Hae International](https://appshunter.io/developer/1515980064) |

## What reviewers say

### ALPHA

[App page](https://appshunter.io/ios/app/alpha-solar/id6474357614)

**Features:** macOS Compatibility

**In-app purchases:** none


### HAEi Event

[App page](https://appshunter.io/ios/app/haei-event/id6667111295)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ALPHA free?

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

### Is HAEi Event free?

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

### Do ALPHA or HAEi Event have ads?

Neither ALPHA nor HAEi Event shows ads.

### Which is updated more often, ALPHA or HAEi Event?

ALPHA ships an update every 4 months, and HAEi Event every 5 days. Most recently, ALPHA was updated on May 19, 2026 and HAEi Event on September 15, 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.*