Sentinels Sidekick vs Arkham DeckbuildeR
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sentinels Sidekick
This app streamlines tabletop gameplay by digitally tracking hit points, effects, and other game elements for "Sentinels of the Multiverse" and "Sentinels of Earth-Prime." It supports all expansions and allows for wireless multiplayer tracking on iOS devices.
- Track hero and villain hit points
- Manage ongoing effects and modifiers
- Supports all expansions and variant cards
- Wireless multiplayer game tracking
- Random game setup and difficulty ratings
- In-app rules and errata lookup
- Customizable hero and villain creation
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“I can’t play Sentinels of the Multiverse without this app.” - Dave Neumann, BoardGameGeek.com Never do battle without your plucky tabletop companion for Sentinels of the Multiverse and Sentinels of Earth-Prime! Put away all of those little fiddly pieces of paper, glass beads, dice, dials, and tokens. For the price of a token pack, Sentinels Sidekick replaces all of that with everything you need to track your progress in a game of Sentinels: • Hit points of all Heroes and Villains • Hit points of all minions, hero targets and environment cards • Start or end of turn effects • Boosts, buffs and other ongoing effects • Active nemesis modifiers (with optional upgrade pack) • And more! Sentinels Sidekick can track a game all by itself on a single iPad, iPhone, or iPod touch. If your friends also have iOS devices, everyone can track the same game together with the wireless ‘Join Nearby Game’ feature! Gameplay: • Play with all Heroes, Villains, and Environments from the core games: Definitive Edition, Enhanced Edition, and Sentinels of Earth-Prime. • Also supports expansions: Rook City, Infernal Relics, Shattered Timelines, Vengeance, Wrath of the Cosmos, Villains of the Multiverse, OblivAeon, mini expansions, and variant cards. • Sentinels Sidekick features all the beautiful artwork from the card game! All heroes, villains and environments from the core games and first three Enhanced Edition expansions are included. Complete your Sidekick experience with the downloadable Artwork Packs. • Heroes, Villains, and Environments are also color coded for quick identification. • See at a glance which Hero targets have the highest or lowest hit points. Tap the HP icon to check other kinds of targets in a flash! • Flip villains from front to back, automatically adjusting their hit points where applicable. • Use notes to track effects and actions on any target in the game. • Custom effects keyboard helps you add effects to any target with just a few taps. • Zoom heroes, villains, and environments to full screen at any time. Setup: • Set up a Random game with up to 5 Heroes with one touch! Or randomize individual selections at your leisure. • Villain difficulty and Hero complexity ratings are built in. Build or randomize the perfect challenge! • Team up with up to 8 nearby iOS devices to track the same game over Wi-Fi or Bluetooth. • Quickly look up rules, errata, discussions, and other game resources. • Add your own custom heroes, villains, environments and more! Great for playtesters and house rules. • Choose your favorite Sidekick app icon from the Settings menu - from the Definitive Edition all the way back to the classic original icon! ** High Resolution Artwork Pack is available as an upgrade option for devices with high resolution screens. ** Target Artwork Pack is available as an upgrade option for all devices. ** Vengeance & Nemesis Artwork Pack is available as an upgrade option for all devices. ** Wrath of the Cosmos Artwork Pack is available as an upgrade option for all devices. ** Villains of the Multiverse Artwork Pack is available as an upgrade option for all devices. ** OblivAeon Artwork Pack is available as an upgrade option for all devices. ** OblivAeon Event game mode is not supported. Sentinels Sidekick is a helper, not a game. It requires a real copy of a Sentinels compatible card game. Sentinels of the Multiverse is made by Greater Than Games, and Sentinels of Earth-Prime is made by Green Ronin Publishing. For more info about Sentinels Sidekick and Sentinels of the Multiverse: The Video Game, visit SentinelsDigital.com. Sentinels Sidekick is an officially licensed product of “Sentinels of the Multiverse” from Greater Than Games LLC, and of "Sentinels of Earth-Prime" from Green Ronin Publishing LLC.
Arkham DeckbuildeR
Enhance your Arkham Horror: The Card Game experience with a comprehensive companion app. Access a vast database of cards, explore popular deck lists, and discover detailed investigator information. Plan your investigations with offline access to all resources.
- ArkhamDB database access
- Popular deck list exploration
- Investigator and card browsing
- Advanced card search filters
- Detailed card information
- Offline database access
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Arkham DeckbuildeR is the ultimate companion app for fans of Arkham Horror: The Card Game. Whether you're a seasoned investigator or just starting your journey into the dark and mysterious world of Arkham, this app has everything you need to enhance your gaming experience. Access a vast amount of information from ArkhamDB, one of the most comprehensive databases for Arkham Horror: The Card Game. Discover and explore popular deck lists created by experienced players. Get inspired and learn new strategies to enhance your gameplay. Explore a wide range of investigators: filter by class, card or author. Dive into a detailed deck description from author and other users comments. Browse through a database of player cards, including investigator cards, player cards, and encounter cards. Search for specific cards using filters such as card type, class, traits, keywords, etc. Get detailed information about each card, including its stats, abilities, taboos, FAQ and comments. Enjoy offline access to your card database. Plan your investigations even when you're away from an internet connection. Note: This app is not affiliated with or endorsed by Fantasy Flight Games or ArkhamDB. It serves as a companion tool for players of Arkham Horror: The Card Game, providing convenient access to deck-building resources and card information.
Screenshots
Verdict
The clearest difference is review sentiment: Sentinels Sidekick at 80% against Arkham DeckbuildeR's 33%. Sentinels Sidekick also leads on iOS requirement (12.0 vs 16.0). Arkham DeckbuildeR's advantage is price (Free vs $0.99) and in-app purchases (none vs 6). On ratings volume, ads 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
Arkham DeckbuildeR is free to download; Sentinels Sidekick costs $0.99 up front. Sentinels Sidekick sells 6 one-off in-app purchases. Arkham DeckbuildeR asks for nothing beyond the download.
Arkham DeckbuildeR holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 68 and 46 respectively. Written reviews complicate that: 80% of Sentinels Sidekick's written reviews are positive against 33% of Arkham DeckbuildeR's, so the app with the better star average is not the one people write more warmly about.
Sentinels Sidekick ships an update every 2 months, Arkham DeckbuildeR every 3 weeks. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.
| Parameter | Sentinels Sidekick | Arkham DeckbuildeR |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.6 (68 ratings) | 4.8 (46 ratings) — better |
| Positive reviews | 79.8% of reviews — better | 33.3% of reviews |
| Number of ratings | 68 — better | 46 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 124 MB | 33 MB |
| Age rating | 9+ | 9+ |
| Developer | Handelabra Studio LLC | Vadym Pavlov |
Customer experience
Sentinels Sidekick
Arkham DeckbuildeR
Bugs and requests
Sentinels Sidekick
Reported bugs
6 issues- App crashes when loading certain villains
- Cannot remove Oblivaeon expansion from randomizer settings
- Missing cards in environment deck
- Team version of Ambuscade nemesis cards not persisting
- Promo card duplicates not handled correctly with duplicate hero toggle
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- iPad 1 support dropped without warning
Requested features
14 requests- Landscape mode orientation
- Condition and effect tracking system
- Automatic buff/debuff application
- Victory celebration screen
- Background music option
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- Difficulty ratings for environments
- Ability to hide unused hero slots
- Start/end of turn effect labels
- Damage reduction tracking
- Selective randomization options
- Larger current HP display
- Integration with video game version
- Shared gameplay over WiFi/Zoom
- Free artwork for standard expansions
Arkham DeckbuildeR
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sentinels Sidekick
- High Resolution Art$0.99
- Target Card Art$0.99
- Wrath of the Cosmos Art$0.99
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- Villains of the Multiverse Art$0.99
- OblivAeon Art$0.99
- Vengeance Art & Nemesis Icons$1.99
Arkham DeckbuildeR
No in-app purchases
Questions
Is Sentinels Sidekick free?
Is Arkham DeckbuildeR free?
Which has better reviews, Sentinels Sidekick or Arkham DeckbuildeR?
Do Sentinels Sidekick or Arkham DeckbuildeR have ads?
Which is updated more often, Sentinels Sidekick or Arkham DeckbuildeR?
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