# OtoateSense vs The Daily Sphinx

The clearest difference is in-app purchases: OtoateSense at none against The Daily Sphinx's 1. OtoateSense also leads on iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. The Daily Sphinx sells 1 one-off in-app purchase. OtoateSense asks for nothing beyond the download.

## The numbers

| Metric | OtoateSense | The Daily Sphinx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 3 MB | 36 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [seiji honda](https://appshunter.io/developer/1896430544) | [Gal Itach](https://appshunter.io/developer/1867158254) |

## What reviewers say

### OtoateSense

[App page](https://appshunter.io/ios/app/otoatesense/id6775127523)

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

**In-app purchases:** none


### The Daily Sphinx

[App page](https://appshunter.io/ios/app/the-daily-sphinx/id6800842796)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sphinx Pro Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is OtoateSense free?

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

### Is The Daily Sphinx free?

The Daily Sphinx is free to download, with in-app purchases available.

### Do OtoateSense or The Daily Sphinx have ads?

Neither OtoateSense nor The Daily Sphinx shows ads.

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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.*