PDF Scan vs proLingo+
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
PDF Scan
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Paper receipts, forms, and notes are easy to lose. Many scanner apps feel slow, force extra steps, or make sharing harder than it should be. --- PDF Scan gives you a camera-first flow to capture multiple pages quickly and save them right away. Your scans are organized in a date-based gallery for fast retrieval. --- Improve readability before you share. Adjust brightness and contrast, rotate pages to the correct orientation, and inspect details with pinch-to-zoom. --- Export selected scans as a PDF that keeps each page size matched to the original image, or save images directly to Photos. Share files instantly from the same screen. --- Additional features - Date-grouped gallery view - Batch selection and bulk delete - Sort by latest or oldest - 8 language options --- Built for students, freelancers, field teams, and anyone who needs quick paper-to-digital capture. Scan, refine, and send your documents in seconds.
proLingo+
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proLingo+ is a real-time speech transcription and translation app. Speak naturally, and see your words transcribed and translated instantly. One-time purchase, no subscription β yours forever. KEY FEATURES Real-Time Transcription On-device speech recognition transcribes your voice to text in real-time with high accuracy. Supports 28 languages. Dual ASR Engine Choose between the built-in Local Engine (fully offline, no data leaves your device) or Azure Speech (cloud-powered, superior accuracy, no time limit). Switch anytime in Settings. Instant Translation Translate transcribed text in real-time using on-device translation. No internet connection required for translation. Live Waveform See your voice activity visualized with a smooth, adaptive waveform that responds to your speech in real-time. Session History All transcription sessions are automatically saved. Review and export past sessions anytime. Export & Share Save transcripts as text or SRT subtitle files. Share directly from the app. ONE-TIME PURCHASE Pay once, use forever. No subscription fees, no in-app purchases, no hidden costs. All features included. All future updates included. SUPPORTED LANGUAGES Speech Recognition: 28 languages including English, Chinese, Japanese, Korean, Spanish, French, German, Arabic, Hindi, Thai, Vietnamese, Indonesian, and more. Translation: 20+ language pairs powered by on-device translation. PRIVACY Microphone is used only for live transcription. With the Local Engine, all processing stays on-device. No account required. No tracking. No ads.
Screenshots
Verdict
The clearest difference is in-app purchases: proLingo+ at none against PDF Scan's 1. PDF Scan's advantage is iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. PDF Scan sells 1 one-off in-app purchase. proLingo+ asks for nothing beyond the download.
| Parameter | PDF Scan | proLingo+ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 18.0 |
| Further details β not scored | ||
| Size | 35 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | YUJI Corp. | 岩 η |
In-app purchases
PDF Scan
- Remove Ads$19.99
proLingo+
No in-app purchases









