Geek's hexadecimal calculator vs SmoothOCR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geek's hexadecimal calculator
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This is a clean and simple hexadecimal calculator for programmers. * Add free. * Supports hexadecimal, decimal, and binary integer arithmetic. * Supports double precision real number operation. * You can always convert numbers between integers and real numbers. * Haptics produce a keystroke feel. * Dark mode support. * Supports arithmetic operations, logic operations, bit shift, and modulo calculations. * Results can be copied to other applications using the clipboard.
SmoothOCR
This application converts camera-captured text into editable digital text. It supports continuous scanning, multi-page management, and multilingual recognition, including Japanese vertical writing. Output options include text files, PDFs, and iCloud synchronization.
- Continuous text scanning
- Multi-page management
- Text editing
- TXT and PDF file export
- iCloud data synchronization
- Multilingual support
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This is an app that can convert characters shown on the camera into text. Features ・Continuous scanning is possible for the time being ・Can manage multiple pages at once ・Simple UI ·Multilingual ・Supports Japanese vertical writing Supported functions ・Text edit ・txt file output ・PDF file output ・Data synchronization between devices using iCloud Terms of service： https://note.com/wakaba_dev/n/nf2c276e954bc Tutorial： https://note.com/wakaba_dev/n/nc1cf9dd8b1a9
Screenshots
Verdict
The clearest difference is update cadence: SmoothOCR at fortnightly against Geek's hexadecimal calculator's every 41 months. Geek's hexadecimal calculator's advantage is price ($1.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement 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
Geek's hexadecimal calculator costs $1.99 and SmoothOCR $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Geek's hexadecimal calculator ships an update every 41 months, SmoothOCR fortnightly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.
| Parameter | Geek's hexadecimal calculator | SmoothOCR |
|---|---|---|
| Price | $1.99 — better | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 41 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, Vision Pro | iPhone, iPad |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Tai Yamaguchi | Shinya Saito |
In-app purchases
Geek's hexadecimal calculator
No in-app purchases
SmoothOCR
No in-app purchases
Questions
Is Geek's hexadecimal calculator free?
Is SmoothOCR free?
Do Geek's hexadecimal calculator or SmoothOCR have ads?
Which is updated more often, Geek's hexadecimal calculator or SmoothOCR?
Other comparisons
