# Pdf Summerizer vs Tacet

The clearest difference is in-app purchases: Tacet at none against Pdf Summerizer's 2. Tacet also leads on update cadence (every 11 days vs monthly). Pdf Summerizer's advantage is iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Pdf Summerizer sells 2 in-app purchases, starting at $5.99 per month. Tacet asks for nothing beyond the download.

Pdf Summerizer ships an update monthly, Tacet every 11 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pdf Summerizer | Tacet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Size | 37 MB | 5 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bugrahan Gulmez](https://appshunter.io/developer/1701342042) | [ABDULLAH FARUK CIFTLER](https://appshunter.io/developer/1892360605) |

## What reviewers say

### Pdf Summerizer

[App page](https://appshunter.io/ios/app/pdf-summerizer-ai-summerize/id6742272003)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Yearly Subscription | $29.99 | per year |


### Tacet

[App page](https://appshunter.io/ios/app/tacet-offline-document-ai/id6796997245)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pdf Summerizer free?

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

### Is Tacet free?

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

### Do Pdf Summerizer or Tacet have ads?

Neither Pdf Summerizer nor Tacet shows ads.

### Which is updated more often, Pdf Summerizer or Tacet?

Pdf Summerizer ships an update monthly, and Tacet every 11 days. Most recently, Pdf Summerizer was updated on October 25, 2026 and Tacet on October 31, 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.*