Comparison

Simple Hex Calc vs Librarian

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple Hex Calc

This utility app provides IT programmers with a pocket calculator for performing arithmetic and logical operations on numbers in various bases. It offers extensive configuration options for bit length, signed/unsigned modes, and data display formats, with a reference manual included.

Highlights
  • Arithmetic and logical operations
  • Multiple number base support (2/8/10/16)
  • Bit shift, rotate, set, clear, and order operations
  • Memory operations (save, load, swap)
  • Configurable bit length and signed/unsigned modes
  • Cut, copy, and paste results
  • Reference manual included
Features
Read full description

Simple Hex Calc is a simple pocket calculator for IT programmers. Features: * Arithmetic operations. (add, subtract, multiply, divide, modulo) * Logical operations. (not, and, or, xor, '+', '-') * Logical operations. (bit shift/rotate, bit set/clear, flip bit/byte order) * Memory operations. (clear, save, load, swap) * Switch the base 2/8/10/16 number on input. * Switch simple and extended mode by rotating device. * Switch simple and extended mode by swiping the left and right edge of screen. * Calculate the order entered. (2+2*2=8) * Cut, copy or paste the result by a tap. * Configure bit length option. (select 1 - 64 bit) * Configure signed/unsigned option. * Configure to display data format on/off option. * Configure to display data in previous base on/off option. * Configure grouping separator for BIN, OCT and HEX mode. * Configure tap sound on/off option. * Reference manual included. * Integer only. :-)

About

Librarian

Easily find libraries and books across Japan. Search by map, area, or your current location, and look for books by keyword or genre. Check book availability at nearby libraries.

Highlights
  • Search libraries by map
  • Search libraries by area
  • Search libraries by current location
  • Search books by keyword
  • Search books by genre
  • Check book availability
Features
Read full description

This application can search for the library and the book on Japan. 1. Method of searching for library. (1) Map (2) Area (3) The present location outskirts 2. Method of looking for book (1) Keyword (2) Genre of book It can be confirmed whether there is a book in the library near the place where you are. This application supports only Japanese.

Screenshots

Simple Hex Calc3 screens
Librarian4 screens

Verdict

The call

The clearest difference is review sentiment: Simple Hex Calc at 94% against Librarian's 47%. Simple Hex Calc also leads on ads (none vs shown). Librarian's advantage is price (Free vs $0.99) and iOS requirement (18.6 vs 27.0). On update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Librarian is free to download; Simple Hex Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Hex Calc ships an update every 5 months, Librarian every 4 months. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

Scorecard5 real differences · 5 level
Simple Hex Calc versus Librarian: the parameters behind the verdict, then further details
ParameterSimple Hex CalcLibrarian
Price$0.99Free — better
Rating4.5 (8 ratings) — better—
Positive reviews94.4% of reviews — better47.1% of reviews
Number of ratings8 — better—
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPad — betteriPhone
Requires iOS27.018.6 — better
Further details — not scored
Size1 MB8 MB
Age rating4+4+
DeveloperHiroki Ishiurashinichi tanimoto

Customer experience

Simple Hex Calc

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews36 reviews
Positive94.4%
Neutral2.8%
Negative2.8%

Librarian

Written reviews34 reviews
Positive47.1%
Neutral23.5%
Negative29.4%

In-app purchases

None

Simple Hex Calc

No in-app purchases

None

Librarian

No in-app purchases

Questions

Is Simple Hex Calc free?
Simple Hex Calc costs $0.99, with no in-app purchases.
Is Librarian free?
Librarian is free to download, with no in-app purchases.
Do Simple Hex Calc or Librarian have ads?
Librarian shows ads; Simple Hex Calc does not.
Which is updated more often, Simple Hex Calc or Librarian?
Simple Hex Calc ships an update every 5 months, and Librarian every 4 months. Most recently, Simple Hex Calc was updated on October 22, 2026 and Librarian on October 19, 2026.

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