# Custos vs ID4.pet

The clearest difference is in-app purchases: Custos at none against ID4.pet's 1. Custos also leads on ads (none vs shown) and ratings volume (24 vs 2). ID4.pet's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 91%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ID4.pet sells 1 in-app purchase, starting at $4.99 per month. Custos asks for nothing beyond the download.

ID4.pet holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Custos has 24 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Custos's written reviews are positive against 100% of ID4.pet's.

Custos ships an update every 5 days, ID4.pet every 11 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Custos | ID4.pet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24 ratings)](https://appshunter.io/ios/app/custos-digital-memorials/id6761027136/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id4pet/id6768451359/reviews)** |
| Number of ratings | **24** | 2 |
| Positive reviews | 90.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 46 MB | 86 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Scott Mysogland](https://appshunter.io/developer/1887370000) | [Levelo, Inc](https://appshunter.io/developer/1896574221) |

## What reviewers say

### Custos

[App page](https://appshunter.io/ios/app/custos-digital-memorials/id6761027136)

Preserve cherished memories by creating digital memorials from prayer cards, obituaries, and photos. Easily share these keepsakes with loved ones and access them conveniently in Apple Wallet. The app also offers gentle reminders for important dates.

**Highlights:** Create digital memorials, Scan prayer cards for data extraction, Import obituaries and text, Share memorials with family and friends, Add memorials to Apple Wallet, Save full life stories with photos and memories, Create pet memorials, Receive gentle reminders for important dates

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

**In-app purchases:** none


### ID4.pet

[App page](https://appshunter.io/ios/app/id4pet/id6768451359)

Manage all aspects of your pet's life in one app, from digital ID and health records to social sharing and AI assistance. Discover pet-friendly locations and connect with a community of animal lovers.

**Highlights:** Digital Pet ID with Apple Wallet integration, Veterinary records and health timeline, AI Pet Assistant for health and training advice, Social community for sharing pet moments, Pet-friendly place discovery map, Health reminders and important document storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |


## Frequently asked questions

### Is Custos free?

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

### Is ID4.pet free?

ID4.pet is free to download, with in-app purchases available.

### Which has better reviews, Custos or ID4.pet?

ID4.pet is rated higher. Custos averages 4.7 out of 5 from 24 ratings, while ID4.pet averages 5.0 from 2 ratings.

### Do Custos or ID4.pet have ads?

ID4.pet shows ads; Custos does not.

### Which is updated more often, Custos or ID4.pet?

Custos ships an update every 5 days, and ID4.pet every 11 days. Most recently, Custos was updated on October 31, 2026 and ID4.pet on November 5, 2026.

---

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