# OCR vs PYN Charger

The clearest difference is in-app purchases: PYN Charger at none against OCR's 5. PYN Charger also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. OCR sells 5 in-app purchases, starting at $0.99 per month. PYN Charger asks for nothing beyond the download.

OCR ships an update fortnightly, PYN Charger every 5 days. The most recent releases landed on August 21, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OCR | PYN Charger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/ocr-studyhq/id6502454664/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 42 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Programmers Paradise LLC](https://appshunter.io/developer/1742080697) | [合肥盘元智能科技有限公司](https://appshunter.io/developer/1776789546) |

## What reviewers say

### OCR

[App page](https://appshunter.io/ios/app/ocr-studyhq/id6502454664)

Organize and secure your notes and documents with this comprehensive system. Scan physical papers, add digital files, and protect them with biometric locks. Features include note-taking, highlighting, and merging multiple pages into single documents.

**Highlights:** Secure document management, Scan notes and existing documents, Instant encryption with Face/Touch ID, Add sticky notes and annotations, Highlight key details in scanned images, Merge up to 20 pages into one document, Multi-page PDF viewer

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyHQ Starter – Monthly | $0.99 | per month |
| StudyHQ 3-Day Trial | $0.99 | per month |
| StudyHQ Plus – Monthly | $4.99 | per month |
| StudyHQ Pro | $9.99 | per month |
| StudyHQ - Lifetime Premium Access | $49.99 | one-time |


### PYN Charger

[App page](https://appshunter.io/ios/app/pyn-charger/id6737504714)

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

**In-app purchases:** none


## Frequently asked questions

### Is OCR free?

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

### Is PYN Charger free?

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

### Do OCR or PYN Charger have ads?

Neither OCR nor PYN Charger shows ads.

### Which is updated more often, OCR or PYN Charger?

OCR ships an update fortnightly, and PYN Charger every 5 days. Most recently, OCR was updated on August 21, 2026 and PYN Charger on September 21, 2026.

---

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