# Chrona vs PDF Reader

The clearest difference is review sentiment: Chrona at 100% against PDF Reader's 0%. Chrona also leads on rating (5.0 vs 3.5) and ads (none vs shown). PDF Reader's advantage is ratings volume (13 vs 4). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Chrona sells 5 in-app purchases, starting at $3.99 per month and PDF Reader sells 1 in-app purchase, starting at $14.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chrona holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews point the same way: 100% of Chrona's written reviews are positive against 0% of PDF Reader's.

Chrona ships an update every 6 days, PDF Reader every 3 weeks. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Chrona | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chrona-global-time/id6760605240/reviews)** | [3.5 (13 ratings)](https://appshunter.io/ios/app/pdf-reader-edit-and-ocr-scan/id6774545766/reviews) |
| Number of ratings | 4 | **13** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 84 MB | 21 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [JOHN MICHAEL TABAKIAN](https://appshunter.io/developer/1885273834) | [Duc Duong Tran](https://appshunter.io/developer/1580090879) |

## What reviewers say

### Chrona

[App page](https://appshunter.io/ios/app/chrona-global-time/id6760605240)

Instantly see the local time for your contacts and friends worldwide. Avoid time zone confusion and know the best moments to connect, whether for work or personal reasons. Designed for simplicity and privacy, it helps you stay in sync with your global network.

**Highlights:** See local time and time difference, Smart indicators for best call times, Track cities or contacts, Link phone contacts, Custom photos for contacts, Home screen widgets (coming soon)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chrona Student Monthly Subscription | $3.99 | per month |
| Chrona First Month Subscription | $3.99 | per month |
| Chrona Subscription | $4.99 | per month |
| Chrona Premium - Lifetime | $4.99 | one-time |
| Chrona Premium - Monthly | $4.99 | one-time |


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-edit-and-ocr-scan/id6774545766)

Easily scan, read, edit, and manage PDF documents on your iPhone and iPad. Convert images to PDF, extract text with OCR, and sign your documents. Organize files with merging, splitting, and password protection.

**Highlights:** Scan documents with camera, Convert photos to PDF, Extract text with OCR, Edit and annotate PDFs, Sign documents, Merge and split PDFs, Password protection

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $14.99 | per 7 days |


## Frequently asked questions

### Is Chrona free?

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

### Is PDF Reader free?

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

### Which has better reviews, Chrona or PDF Reader?

Chrona is rated higher. Chrona averages 5.0 out of 5 from 4 ratings, while PDF Reader averages 3.5 from 13 ratings.

### Do Chrona or PDF Reader have ads?

PDF Reader shows ads; Chrona does not.

### Which is updated more often, Chrona or PDF Reader?

Chrona ships an update every 6 days, and PDF Reader every 3 weeks. Most recently, Chrona was updated on September 8, 2026 and PDF Reader on September 18, 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.*