# PeriodAI vs 暖潮 Warmtide

The clearest difference is iOS requirement: PeriodAI at 15.1 against 暖潮 Warmtide's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PeriodAI sells 2 in-app purchases, starting at $1.99 per month and 暖潮 Warmtide sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PeriodAI | 暖潮 Warmtide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 48 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [amira abbas](https://appshunter.io/developer/1871202488) | [TZU HSUN LIN](https://appshunter.io/developer/6787814422) |

## What reviewers say

### PeriodAI

[App page](https://appshunter.io/ios/app/periodai/id6773827641)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $12.99 | per year |


### 暖潮 Warmtide

[App page](https://appshunter.io/ios/app/warmtide/id6795242911)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Warmtide Pro | $9.99 | one-time |


## Frequently asked questions

### Is PeriodAI free?

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

### Is 暖潮 Warmtide free?

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

### Do PeriodAI or 暖潮 Warmtide have ads?

Neither PeriodAI nor 暖潮 Warmtide 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.*