# Smart O vs CountX

The clearest difference is in-app purchases: Smart O at none against CountX's 2. Smart O also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. CountX sells 2 in-app purchases, starting at $4.99 per month. Smart O asks for nothing beyond the download.

## The numbers

| Metric | Smart O | CountX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 months |
| Size | 25 MB | 30 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Opple Lighting Co., Ltd.](https://appshunter.io/developer/955299786) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### Smart O

[App page](https://appshunter.io/ios/app/smart-o/id1133843579)

**Features:** macOS Compatibility

**In-app purchases:** none


### CountX

[App page](https://appshunter.io/ios/app/countx-event-countdown/id6742725960)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is Smart O free?

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

### Is CountX free?

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

### Do Smart O or CountX have ads?

CountX shows ads; Smart O does not.

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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.*