# EIT vs Parasite Zapper

The clearest difference is ads: EIT at none against Parasite Zapper's shown. EIT also leads on update cadence (every 5 months vs every 27 months) and iOS requirement (7.0 vs 12.0). Parasite Zapper's advantage is device support (3 vs 1). On price 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.

EIT ships an update every 5 months, Parasite Zapper every 27 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | EIT | Parasite Zapper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 27 months |
| Size | 59 MB | 35 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [TECHNO HORIZON CO., LTD.](https://appshunter.io/developer/561925702) | [Jay Moores](https://appshunter.io/developer/1447456824) |

## What reviewers say

### EIT

[App page](https://appshunter.io/ios/app/eit/id981798528)

**Features:** macOS Compatibility

**In-app purchases:** none


### Parasite Zapper

[App page](https://appshunter.io/ios/app/parasite-zapper/id1460168374)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EIT free?

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

### Is Parasite Zapper free?

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

### Do EIT or Parasite Zapper have ads?

Parasite Zapper shows ads; EIT does not.

### Which is updated more often, EIT or Parasite Zapper?

EIT ships an update every 5 months, and Parasite Zapper every 27 months. Most recently, EIT was updated on October 6, 2026 and Parasite Zapper on October 11, 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.*