# TSUNAMI Ai vs Superpdf Pro

The clearest difference is ads: TSUNAMI Ai at none against Superpdf Pro's shown. TSUNAMI Ai also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). Superpdf Pro's advantage is update cadence (every 5 days vs every 7 months). On price and in-app purchases there is nothing between them.

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

TSUNAMI Ai ships an update every 7 months, Superpdf Pro every 5 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TSUNAMI Ai | Superpdf Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 5 days** |
| Size | 276 MB | 13 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Ocean 10 Security LLC](https://appshunter.io/developer/1728413794) | [恒 张](https://appshunter.io/developer/1855436374) |

## What reviewers say

### TSUNAMI Ai

[App page](https://appshunter.io/ios/app/tsunami-ai/id6739332268)

**Features:** macOS Compatibility

**In-app purchases:** none


### Superpdf Pro

[App page](https://appshunter.io/ios/app/superpdf-pro/id6759082183)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TSUNAMI Ai free?

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

### Is Superpdf Pro free?

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

### Do TSUNAMI Ai or Superpdf Pro have ads?

Superpdf Pro shows ads; TSUNAMI Ai does not.

### Which is updated more often, TSUNAMI Ai or Superpdf Pro?

TSUNAMI Ai ships an update every 7 months, and Superpdf Pro every 5 days. Most recently, TSUNAMI Ai was updated on October 6, 2026 and Superpdf Pro on October 10, 2026.

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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.*