# i vs CDBapp

The clearest difference is iOS requirement: i at 13.0 against CDBapp's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i ships an update every 2 months, CDBapp every 6 weeks. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | i | CDBapp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 105 MB | 52 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Edutech S.r.l.](https://appshunter.io/developer/1691537918) | [K12 - APS](https://appshunter.io/developer/1805208734) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-code/id6450012288)

**Features:** macOS Compatibility

**In-app purchases:** none


### CDBapp

[App page](https://appshunter.io/ios/app/cdbapp/id6743943099)

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is CDBapp free?

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

### Do i or CDBapp have ads?

Neither i nor CDBapp shows ads.

### Which is updated more often, i or CDBapp?

i ships an update every 2 months, and CDBapp every 6 weeks. Most recently, i was updated on June 5, 2026 and CDBapp on September 10, 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.*