# One Time Pro vs Sense Test

The clearest difference is ads: One Time Pro at none against Sense Test's shown. One Time Pro also leads on iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | One Time Pro | Sense Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Size | 89 MB | 26 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shixian Wu](https://appshunter.io/developer/1460645620) | [seungmin lee](https://appshunter.io/developer/1553604324) |

## What reviewers say

### One Time Pro

[App page](https://appshunter.io/ios/app/one-time-pro/id6451131774)

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

**In-app purchases:** none


### Sense Test

[App page](https://appshunter.io/ios/app/sense-test-prove-it/id6760156269)

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

**In-app purchases:** none


## Frequently asked questions

### Is One Time Pro free?

One Time Pro is free to download, with no in-app purchases.

### Is Sense Test free?

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

### Do One Time Pro or Sense Test have ads?

Sense Test shows ads; One Time Pro 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.*