Hei OCR vs 绿云PMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hei OCR
This utility app uses advanced OCR technology to extract text from images and documents. It allows for easy editing, copying, and organization of extracted text, supporting multiple languages and offering smart previews for interactive content like links and phone numbers.
- High-quality OCR technology
- Edit and copy extracted text
- Automatic paragraphing
- Support camera and album images
- Merge and copy text from multiple pictures
- Smart preview with interactive links/numbers
- 10 languages supported
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A brand new OCR(Optical Character Recognition) software that extracts text from any picture for daily use. Very useful for converting paper documents to e-format, making reading notes for people who love reading physical books, or just simply extract information in the screenshots your friends shared with you. Major features： 1. High quality OCR technology. 2. Shoot first, then "focus". After the scanning, you can chose to view the whole text or select certain paragraph to edit or copy. 3. Automatically paragraphing, no more useless line breaks. 4. Press to Compare feature: even though the OCR results of this app are good enough in most cases, you may still need a way to adjust the content easily. 5. Support images taken from camera or chosen from your album. And also History for your content. 6. Merge & Copy: combine the text of multiple pictures into one article. 7. Smart Preview: Highlight addresses, links, phone numbers and time events automatically in the text preview screen. You can even interact directly with them, like make a call to the number in a screenshots with out recall your memory. 8. Search in History: quickly find your documents with a keyword. 9. 10 languages supported: Chinese, Japanese, Korean, English, Portuguese, French, German, Italian, Spanish and Russian.
绿云PMS
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Verdict
The clearest difference is price: 绿云PMS at Free against Hei OCR's $0.99. 绿云PMS also leads on in-app purchases (none vs 1) and update cadence (every 10 days vs every 3 weeks). Hei OCR's advantage is iOS requirement (9.0 vs 12.0). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
绿云PMS is free to download; Hei OCR costs $0.99 up front. Hei OCR sells 1 one-off in-app purchase. 绿云PMS asks for nothing beyond the download.
Hei OCR ships an update every 3 weeks, 绿云PMS every 10 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | Hei OCR | 绿云PMS |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 90.9% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 16 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Can Sun | 杭州绿云科技有限公司 |
In-app purchases
Hei OCR
- A cup of coffee$4.99
绿云PMS
No in-app purchases
