# Caverno vs AI Rank

The clearest difference is update cadence: Caverno at every 2 days against AI Rank's every 5 days. AI Rank's advantage is iOS requirement (18.5 vs 26.0). On price, ads, 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.

Caverno ships an update every 2 days, AI Rank every 5 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Caverno | AI Rank |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 33 MB | 12 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Osamu Noguchi](https://appshunter.io/developer/457240927) | [hui chen](https://appshunter.io/developer/1862899920) |

## What reviewers say

### Caverno

[App page](https://appshunter.io/ios/app/caverno/id6760192392)

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

**In-app purchases:** none


### AI Rank

[App page](https://appshunter.io/ios/app/ai-rank/id6766608070)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caverno free?

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

### Is AI Rank free?

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

### Do Caverno or AI Rank have ads?

Neither Caverno nor AI Rank shows ads.

### Which is updated more often, Caverno or AI Rank?

Caverno ships an update every 2 days, and AI Rank every 5 days. Most recently, Caverno was updated on October 3, 2026 and AI Rank on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*