Comparison

Assistant for Arkham Horror vs Convex Programmer's Calculator

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

Head to head
About

Assistant for Arkham Horror

This app acts as a digital substitute for physical game components for Arkham Horror. It includes interactive sheets for investigators and ancient ones, game rules, and reference materials. Additional content is available through in-app purchases.

Highlights
  • Interactive Investigator sheets
  • Ancient One tracking
  • Game rules reference
  • Player reference sheet
  • Custom community sheets
  • Expansion content via IAP
Features
Read full description

The Game Assistant for Arkham Horror serves as a substitute for the game elements to the Arkham Horror. It contains all the Investigators and Ancient Ones sheets from base edition of Arkham Horror (other expansions are available through in-app purchases). It also contains simple game rules. Cards are interactive and can be used with the game itself as a substitute for classic tokens and sheets. The Game Assistant for Arkham Horror includes: • Investigator tracking sheet, usable for more players • Ancient One tracking sheet • Game rules • Players Reference Sheet • Herald, Guardian and Institution cards (iPad only) • Investigator Personal Story cards (iPad only) • Custom game sheets from community

About

Convex Programmer's Calculator

Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.

Highlights
  • Number base conversion
  • Two's complement calculation
  • Byte flipping for endianness
  • Left and right bit shifting
  • Binary readability enhancements
  • Copy, paste, and clear functionality
Features
Read full description

Easily convert between hexadecimal, decimal, octal, and binary. Calculate the two's complement of any number. Flip a number's bytes to switch its endianness. Bit-shift left and right. Bit indicators and word grouping make binary easier to read. Tap the number to copy, paste, and clear. Swipe left or right on the number to backspace.

Screenshots

Assistant for Arkham Horror4 screens
Convex Programmer's Calculator4 screens

Verdict

The call

The clearest difference is price: Convex Programmer's Calculator at Free against Assistant for Arkham Horror's $4.99. Convex Programmer's Calculator also leads on rating (4.7 vs 3.5) and in-app purchases (none vs 4). Assistant for Arkham Horror's advantage is update cadence (every 6 weeks vs every 8 months) and device support (3 vs 1). On review sentiment, ratings volume and ads 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

Convex Programmer's Calculator is free to download; Assistant for Arkham Horror costs $4.99 up front. Assistant for Arkham Horror sells 4 one-off in-app purchases. Convex Programmer's Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Convex Programmer's Calculator holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

UpkeepUpdate frequency

Assistant for Arkham Horror ships an update every 6 weeks, Convex Programmer's Calculator every 8 months. The most recent releases landed on August 26, 2026 and June 11, 2026 respectively.

Scorecard7 real differences · 3 level
Assistant for Arkham Horror versus Convex Programmer's Calculator: the parameters behind the verdict, then further details
ParameterAssistant for Arkham HorrorConvex Programmer's Calculator
Price$4.99Free — better
Rating3.5 (6 ratings)4.7 (6 ratings) — better
Positive reviews66.7% of reviews66.7% of reviews
Number of ratings66
Update frequencyEvery 6 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better16.0
Further details — not scored
Size83 MB0 MB
Age rating9+4+
DeveloperPetr HejkalMatthew Daigle

Customer experience

Assistant for Arkham Horror

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews12 reviews
Positive66.7%
Neutral8.3%
Negative25.0%

Convex Programmer's Calculator

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

In-app purchases

4 purchases

Assistant for Arkham Horror

One-time4
  • Kingsport Horror$1.99
  • Game Rules$1.99
  • Dunwich Horror$2.99
Show 1 more
  • Innsmouth Horror$2.99
None

Convex Programmer's Calculator

No in-app purchases

Questions

Is Assistant for Arkham Horror free?
Assistant for Arkham Horror costs $4.99, and also offers in-app purchases.
Is Convex Programmer's Calculator free?
Convex Programmer's Calculator is free to download, with no in-app purchases.
Which has better reviews, Assistant for Arkham Horror or Convex Programmer's Calculator?
Convex Programmer's Calculator is rated higher. Assistant for Arkham Horror averages 3.5 out of 5 from 6 ratings, while Convex Programmer's Calculator averages 4.7 from 6 ratings.
Do Assistant for Arkham Horror or Convex Programmer's Calculator have ads?
Neither Assistant for Arkham Horror nor Convex Programmer's Calculator shows ads.
Which is updated more often, Assistant for Arkham Horror or Convex Programmer's Calculator?
Assistant for Arkham Horror ships an update every 6 weeks, and Convex Programmer's Calculator every 8 months. Most recently, Assistant for Arkham Horror was updated on August 26, 2026 and Convex Programmer's Calculator on June 11, 2026.

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