# Explore Princeton vs JoinUp

The clearest difference is in-app purchases: Explore Princeton at none against JoinUp's 2. Explore Princeton also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. JoinUp sells 2 in-app purchases, starting at $2.99 per month. Explore Princeton asks for nothing beyond the download.

Explore Princeton ships an update fortnightly, JoinUp every 2 months. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Explore Princeton | JoinUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/joinup-invitation-maker/id6502875406/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Freemium |
| Size | 132 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GOGov, Inc.](https://appshunter.io/developer/351223719) | [雯婷 朱](https://appshunter.io/developer/1735420175) |

## What reviewers say

### Explore Princeton

[App page](https://appshunter.io/ios/app/explore-princeton/id6477473195)

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

**In-app purchases:** none


### JoinUp

[App page](https://appshunter.io/ios/app/joinup-invitation-maker/id6502875406)

Organize events and tasks with email notifications and customizable reminders. Track travel times to locations and personalize your account. Upgrade for more events and customization options.

**Highlights:** Email notifications for reminders, Precise location tracking, Customizable reminders, Profile picture integration, Premium plan for more features, Monthly and yearly subscriptions

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $2.99 | per month |
| Premium Plan | $24.99 | per year |


## Frequently asked questions

### Is Explore Princeton free?

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

### Is JoinUp free?

JoinUp is free to download, with in-app purchases available.

### Do Explore Princeton or JoinUp have ads?

Neither Explore Princeton nor JoinUp shows ads.

### Which is updated more often, Explore Princeton or JoinUp?

Explore Princeton ships an update fortnightly, and JoinUp every 2 months. Most recently, Explore Princeton was updated on September 19, 2026 and JoinUp on September 17, 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.*