# Headgrower vs Perenso Event Explorer

The clearest difference is update cadence: Perenso Event Explorer at monthly against Headgrower's every 2 months. Headgrower's advantage is 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.

Headgrower ships an update every 2 months, Perenso Event Explorer monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Headgrower | Perenso Event Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (12 ratings)](https://appshunter.io/ios/app/perenso-event-explorer/id1620980933/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 75 MB | 73 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BARTLETT INSTRUMENT CO.](https://appshunter.io/developer/1222799768) | [Perenso](https://appshunter.io/developer/549701586) |

## What reviewers say

### Headgrower

[App page](https://appshunter.io/ios/app/headgrower/id1445448736)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Perenso Event Explorer

[App page](https://appshunter.io/ios/app/perenso-event-explorer/id1620980933)

Enhance your trade show experience with this event app. Navigate venues, discover exhibitors, save favorites, and access event details like schedules and deals. Stay informed with push notifications and manage your event registration.

**Highlights:** Event navigation and floor maps, Exhibitor and product discovery, Personalized favorites and shopping lists, Show deals and special showcases, Event schedules and seminar details, Push notifications for updates, Event registration and check-in

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Headgrower free?

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

### Is Perenso Event Explorer free?

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

### Do Headgrower or Perenso Event Explorer have ads?

Neither Headgrower nor Perenso Event Explorer shows ads.

### Which is updated more often, Headgrower or Perenso Event Explorer?

Headgrower ships an update every 2 months, and Perenso Event Explorer monthly. Most recently, Headgrower was updated on October 26, 2026 and Perenso Event Explorer 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.*