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.
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.
- Interactive Investigator sheets
- Ancient One tracking
- Game rules reference
- Player reference sheet
- Custom community sheets
- Expansion content via IAP
Read full descriptionHide 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
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.
- Number base conversion
- Two's complement calculation
- Byte flipping for endianness
- Left and right bit shifting
- Binary readability enhancements
- Copy, paste, and clear functionality
Read full descriptionHide 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
Verdict
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
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.
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.
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.
| Parameter | Assistant for Arkham Horror | Convex Programmer's Calculator |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.5 (6 ratings) | 4.7 (6 ratings) — better |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| Number of ratings | 6 | 6 |
| Update frequency | Every 6 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 83 MB | 0 MB |
| Age rating | 9+ | 4+ |
| Developer | Petr Hejkal | Matthew Daigle |
Customer experience
Assistant for Arkham Horror
Convex Programmer's Calculator
In-app purchases
Assistant for Arkham Horror
- Kingsport Horror$1.99
- Game Rules$1.99
- Dunwich Horror$2.99
Show 1 moreShow fewer
- Innsmouth Horror$2.99
Convex Programmer's Calculator
No in-app purchases
Questions
Is Assistant for Arkham Horror free?
Is Convex Programmer's Calculator free?
Which has better reviews, Assistant for Arkham Horror or Convex Programmer's Calculator?
Do Assistant for Arkham Horror or Convex Programmer's Calculator have ads?
Which is updated more often, Assistant for Arkham Horror or Convex Programmer's Calculator?
Other comparisons













