# Aha vs RetroSpider

The clearest difference is in-app purchases: Aha at none against RetroSpider's 3. Aha also leads on iOS requirement (15.6 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. RetroSpider sells 3 in-app purchases, starting at $2.49 per month. Aha asks for nothing beyond the download.

## The numbers

| Metric | Aha | RetroSpider |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 1 MB | 15 MB |
| Requires iOS | **15.6** | 18 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Beijing Xingyue Zhiyuan Technology Co., Ltd.](https://appshunter.io/developer/574253974) | [Weigan Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1896482773) |

## What reviewers say

### Aha

[App page](https://appshunter.io/ios/app/aha-ai/id1153863209)

**Features:** macOS Compatibility

**In-app purchases:** none


### RetroSpider

[App page](https://appshunter.io/ios/app/retrospider/id6767517596)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to VIP | $2.49 | per month |
| Upgrade to VIP | $12.99 | per year |
| Upgrade to VIP | $29.99 | one-time |


## Frequently asked questions

### Is Aha free?

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

### Is RetroSpider free?

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

### Do Aha or RetroSpider have ads?

Neither Aha nor RetroSpider 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.*