# AZ COLLECTIONS vs Erinia

The clearest difference is in-app purchases: AZ COLLECTIONS at none against Erinia's 3. Erinia's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Erinia sells 3 one-off in-app purchases. AZ COLLECTIONS asks for nothing beyond the download.

AZ COLLECTIONS ships an update weekly, Erinia every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AZ COLLECTIONS | Erinia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/az-collections/id6443421340/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Ad-supported | — |
| Size | 81 MB | 73 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 17+ |
| Developer | [AZ COLLECTIONS SISTEMA E TECNOLOGIA LTDA](https://appshunter.io/developer/1645588783) | [Syntax Labs Ltda](https://appshunter.io/developer/1840426443) |

## What reviewers say

### AZ COLLECTIONS

[App page](https://appshunter.io/ios/app/az-collections/id6443421340)

Organize your collections with detailed galleries and item histories. Connect with collectors globally to buy, sell, and discover news and trivia.

**Highlights:** Organize collections with galleries, Detailed item descriptions and history, Buy and sell collectible items, Connect with global collectors, Access collector news and trivia

**In-app purchases:** none


### Erinia

[App page](https://appshunter.io/ios/app/erinia/id6756085744)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pacote Inicial | $1.99 | one-time |
| Pacote Intermediário | $3.99 | one-time |
| Pacote Avançado | $9.99 | one-time |


## Frequently asked questions

### Is AZ COLLECTIONS free?

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

### Is Erinia free?

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

### Do AZ COLLECTIONS or Erinia have ads?

AZ COLLECTIONS shows ads; Erinia does not.

### Which is updated more often, AZ COLLECTIONS or Erinia?

AZ COLLECTIONS ships an update weekly, and Erinia every 10 days. Most recently, AZ COLLECTIONS was updated on November 3, 2026 and Erinia on October 30, 2026.

---

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