# IRIS Readings vs Invaders Finder

The clearest difference is ads: IRIS Readings at none against Invaders Finder's shown. IRIS Readings also leads on update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. IRIS Readings sells 2 in-app purchases, starting at $8.99 per month and Invaders Finder sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

IRIS Readings ships an update every 3 days, Invaders Finder every 2 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | IRIS Readings | Invaders Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/invaders-finder/id6761786394/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 92.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 128 MB | 51 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [IRIS PARIS](https://appshunter.io/developer/1890231485) | [Josselin Tual](https://appshunter.io/developer/1891472300) |

## What reviewers say

### IRIS Readings

[App page](https://appshunter.io/ios/app/iris-readings/id6761575580)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pomegranate Circle – Monthly | $8.99 | per month |
| Pomegranate Circle - Annual | $39.99 | per year |


### 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 IRIS Readings free?

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

### Is Invaders Finder free?

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

### Do IRIS Readings or Invaders Finder have ads?

Invaders Finder shows ads; IRIS Readings does not.

### Which is updated more often, IRIS Readings or Invaders Finder?

IRIS Readings ships an update every 3 days, and Invaders Finder every 2 weeks. Most recently, IRIS Readings was updated on October 28, 2026 and Invaders Finder on October 28, 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.*