# Digital Glossary vs SummaryPDF

The clearest difference is in-app purchases: Digital Glossary at none against SummaryPDF's 3. SummaryPDF's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SummaryPDF sells 3 in-app purchases, starting at $1.99 per 7 days. Digital Glossary asks for nothing beyond the download.

Digital Glossary ships an update every 3 months, SummaryPDF monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Digital Glossary | SummaryPDF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 13 MB | 97 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pleksus Bilişim Teknolojileri Danışmanlık Temsilcilik A.Ş.](https://appshunter.io/developer/418550679) | [Necati Atamer Sahin](https://appshunter.io/developer/1696264399) |

## What reviewers say

### Digital Glossary

[App page](https://appshunter.io/ios/app/digital-glossary/id1635555174)

**Features:** macOS Compatibility

**In-app purchases:** none


### SummaryPDF

[App page](https://appshunter.io/ios/app/summarypdf-chatpdf-and-summary/id6589522614)

This AI-powered tool helps you quickly summarize any document, PDF, or image. You can also chat with your documents to ask specific questions and get instant answers, making it ideal for students and professionals.

**Highlights:** Summarize any document (PDF, DOC, TXT, images), Chat with documents to ask questions, Export summaries as PDF, Customize summary detail level, Choose summary and chat language, Review past summaries and chats

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SummaryPDF Premium Weekly | $1.99 | per 7 days |
| SummaryPDF Premium Weekly | $1.99 | per 7 days |
| SummaryPDF Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Digital Glossary free?

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

### Is SummaryPDF free?

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

### Do Digital Glossary or SummaryPDF have ads?

Neither Digital Glossary nor SummaryPDF shows ads.

### Which is updated more often, Digital Glossary or SummaryPDF?

Digital Glossary ships an update every 3 months, and SummaryPDF monthly. Most recently, Digital Glossary was updated on October 27, 2026 and SummaryPDF on October 30, 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.*