# why? vs OdoKeep

The clearest difference is update cadence: OdoKeep at every 2 days against why?'s every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. why? sells 3 in-app purchases, starting at $2.99 per month and OdoKeep sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

why? ships an update every 5 days, OdoKeep every 2 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | why? | OdoKeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 9 MB | 81 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Comma Labs](https://appshunter.io/developer/1882050945) | [Rafael Soares](https://appshunter.io/developer/6803634190) |

## What reviewers say

### why?

[App page](https://appshunter.io/ios/app/why-screen-time-control/id6802287404)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $9.99 | per year |
| Lifetime | $24.99 | one-time |


### OdoKeep

[App page](https://appshunter.io/ios/app/odokeep-car-maintenance-log/id6803634188)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OdoKeep Plus Monthly | $3.99 | per month |
| OdoKeep Plus Annual | $19.99 | per year |
| OdoKeep Plus Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is why? free?

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

### Is OdoKeep free?

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

### Do why? or OdoKeep have ads?

Neither why? nor OdoKeep shows ads.

### Which is updated more often, why? or OdoKeep?

why? ships an update every 5 days, and OdoKeep every 2 days. Most recently, why? was updated on October 25, 2026 and OdoKeep on October 29, 2026.

---

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