Hacker Clock vs Off Lens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hacker Clock
Transform your device into a unique clock displaying animated hexadecimal code. Watch green hexadecimal values flow across the screen, simulating complex data processing. Ideal for computer enthusiasts, hackers, and fans of futuristic aesthetics.
- Animated hexadecimal code display
- Three color variants (green, red, blue)
- Horizontal and vertical display modes
- 12- and 24-hour format options
- Unique clock for geeks and fans
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Hacker Clock turns your iPhone into a truly unique clock displayed as animated hexadecimal code. The green hexadecimal values constantly move across the screen, making it look as if your phone is processing complex data. This application is perfect for computer geeks, hackers, and matrix fans. If you are using a binary clock, you can throw it away. Once you try this hexadecimal clock, you will never want to use any other. Summary: * A truly unique clock * Animated hexadecimal code * Three color variants: green, red, blue * Horizontal and vertical modes * 12- and 24-hour formats
Off Lens
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OffLens is a fully offline OCR app built on Apple’s VisionKit. Capture or pick photos, draw a precise crop, and recognize text in multiple languages without sending any data to servers. Your images and text stay on your device. Key features: · Offline by design: No uploads, no tracking, no ads. · Precise crop first: Drag corners or edges to target exactly what you need. · Multi-language OCR: Recognize text across many languages; auto-detect supported. · Proofread with highlights: See bounding boxes over the original image to verify accuracy. · Editable results: Review recognized text in a clean editor and copy with one tap. · History on-device: Keep up to 100 entries locally; view, edit, or delete anytime. · Camera and gallery: Snap a photo or import from your library; optional save-back after cropping. · Share and export: Copy lines or full results; share with friends. · Privacy-first: No analytics, no remote processing—everything runs locally. How it works: 1. Choose Photo or Camera, then draw the crop box. 2. OffLens runs VisionKit OCR offline and overlays highlights for quick review. 3. Edit text if needed, then copy or share. Why OffLens: · Great for receipts, documents, slides, whiteboards, books, and multilingual content. · Works anywhere—even without a network. · Fast, accurate recognition powered by VisionKit. Need help? Contact: shungyy8@gmail.com.
Screenshots
Verdict
The clearest difference is device support: Hacker Clock at 3 against Off Lens's 1. Hacker Clock also leads on iOS requirement (12.0 vs 18.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Hacker Clock | Off Lens |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (41 ratings) — better | — |
| Positive reviews | 53.8% of reviews | — |
| Number of ratings | 41 — better | — |
| Update frequency | Every 15 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Leszek Szary | Feiyun Technology Ltd. |
In-app purchases
Hacker Clock
No in-app purchases
Off Lens
No in-app purchases





