# App CEI vs Custodi della luce

The clearest difference is in-app purchases: App CEI at none against Custodi della luce's 2. App CEI also leads on iOS requirement (13.0 vs 15.0). Custodi della luce's advantage is update cadence (every 5 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Custodi della luce sells 2 in-app purchases, starting at $4.99 per month. App CEI asks for nothing beyond the download.

App CEI ships an update every 8 months, Custodi della luce every 5 days. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | App CEI | Custodi della luce |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Size | 19 MB | 6 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [IDS&Unitelm s.r.l](https://appshunter.io/developer/1770012783) | [COSIMO SCHENA](https://appshunter.io/developer/1895721234) |

## What reviewers say

### App CEI

[App page](https://appshunter.io/ios/app/app-cei/id527839599)

**Features:** macOS Compatibility

**In-app purchases:** none


### Custodi della luce

[App page](https://appshunter.io/ios/app/custodi-della-luce/id6764297111)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mensile | $4.99 | per month |
| Custodi della Luce | $49.99 | per year |


## Frequently asked questions

### Is App CEI free?

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

### Is Custodi della luce free?

Custodi della luce is free to download, with in-app purchases available.

### Do App CEI or Custodi della luce have ads?

Neither App CEI nor Custodi della luce shows ads.

### Which is updated more often, App CEI or Custodi della luce?

App CEI ships an update every 8 months, and Custodi della luce every 5 days. Most recently, App CEI was updated on October 5, 2026 and Custodi della luce on October 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.*