Comparison

Simple Hex Calc vs Custom Alarm Clock & Timer

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

Custom Alarm Clock & Timer

Features
Read full description

Custom Alarm Clock is a flexible alarm app built around powerful repeat patterns. Set a basic alarm in seconds, or create schedules for shift work, holidays, month-end tasks, and more. Preview upcoming alarm dates before saving. SET FLEXIBLE RECURRING ALARMS • Repeat every day • Repeat every week on selected weekdays • Repeat every few weeks and choose which weekdays ring • Repeat every few days, with the option to ring on consecutive days at the start of each cycle • Repeat on a rotating shift cycle, with a separate time for each alarm day • Repeat on workdays or days off, with optional weekday filters • Ring on a fixed date or a date counted back from the end of each month • Ring on the nth or last selected weekday of each month • Ring on the nth or nth-to-last workday of each month, based on the selected holiday calendar • Ring on the same date every year • Skip weekends or exclude days off based on the selected holiday calendar • Add extra alarm dates or skip individual dates • Set a start date, then choose no end date, a specific end date, or a fixed number of alarms WAKE-UP CHALLENGES TO GET YOU GOING In addition to tapping a button or swiping to dismiss, choose from several wake-up challenges: • Solve a math problem • Type a specified phrase • Walk a set number of steps • Scan a QR code WAKE UP YOUR WAY • Customize your alarm sounds • Snooze when you need it MORE EVERYDAY TIMING TOOLS • Timer • Stopwatch From regular weekly routines to complex shift schedules, Custom Alarm Clock keeps up with the way you live and work.

Screenshots

Simple Hex Calc3 screens
Custom Alarm Clock & Timer4 screens

Verdict

The call

The clearest difference is price: Custom Alarm Clock & Timer at Free against Simple Hex Calc's $0.99. Custom Alarm Clock & Timer also leads on update cadence (every 3 days vs every 5 months) and iOS requirement (17.0 vs 27.0). Simple Hex Calc's advantage is ads (none vs shown). On 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

Custom Alarm Clock & Timer 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, Custom Alarm Clock & Timer every 3 days. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
Simple Hex Calc versus Custom Alarm Clock & Timer: the parameters behind the verdict, then further details
ParameterSimple Hex CalcCustom Alarm Clock & Timer
Price$0.99Free — better
Rating4.5 (8 ratings) — better—
Positive reviews94.4% of reviews—
Number of ratings8 — better—
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS27.017.0 — better
Further details — not scored
Size1 MB35 MB
Age rating4+4+
DeveloperHiroki Ishiura月娇 章

In-app purchases

None

Simple Hex Calc

No in-app purchases

None

Custom Alarm Clock & Timer

No in-app purchases

Questions

Is Simple Hex Calc free?
Simple Hex Calc costs $0.99, with no in-app purchases.
Is Custom Alarm Clock & Timer free?
Custom Alarm Clock & Timer is free to download, with no in-app purchases.
Do Simple Hex Calc or Custom Alarm Clock & Timer have ads?
Custom Alarm Clock & Timer shows ads; Simple Hex Calc does not.
Which is updated more often, Simple Hex Calc or Custom Alarm Clock & Timer?
Simple Hex Calc ships an update every 5 months, and Custom Alarm Clock & Timer every 3 days. Most recently, Simple Hex Calc was updated on October 15, 2026 and Custom Alarm Clock & Timer on October 11, 2026.

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