# Where When vs Invaders Finder

The clearest difference is in-app purchases: Where When at none against Invaders Finder's 3. Where When also leads on ads (none vs shown) and update cadence (daily vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Invaders Finder sells 3 in-app purchases, starting at $3.99 per month. Where When asks for nothing beyond the download.

Where When ships an update daily, Invaders Finder fortnightly. Both last shipped on October 8, 2026.

## The numbers

| Metric | Where When | Invaders Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/invaders-finder/id6761786394/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 91.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free |
| Size | 6 MB | 38 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Folder, LLC](https://appshunter.io/developer/1581692730) | [Josselin Tual](https://appshunter.io/developer/1891472300) |

## What reviewers say

### Where When

[App page](https://appshunter.io/ios/app/where-when/id6503927025)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invaders Finder

[App page](https://appshunter.io/ios/app/invaders-finder/id6761786394)

Discover and track urban art installations on an interactive map. Mark found items, view their status, and manage your progress. Stay updated with notifications about new or changed installations.

**Highlights:** Interactive map with clustering, Status indicators for installations, List and city views for progression, Mark installations as found, Direct navigation to mapping apps, Cloud synchronization for progress, Notifications for updates

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $3.99 | per month |
| Pro — Yearly | $24.99 | per year |
| No ads | $3.99 | one-time |


## Frequently asked questions

### Is Where When free?

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

### Is Invaders Finder free?

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

### Do Where When or Invaders Finder have ads?

Invaders Finder shows ads; Where When does not.

### Which is updated more often, Where When or Invaders Finder?

Where When ships an update daily, and Invaders Finder fortnightly. Most recently, Where When was updated on October 8, 2026 and Invaders Finder on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*