Comparison

EDGE21 vs AnomalyAquarium

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

Head to head
About

EDGE21

Master blackjack strategy with this educational tool. Learn basic strategy, practice card counting, and identify mistakes with detailed explanations and engaging game modes. Designed for entertainment and skill improvement.

Highlights
  • Learn Basic Strategy
  • Speedrun Mode
  • Boss Hand Mode
  • Card Counting Practice
  • Mistake Identification
  • Detailed Explanations
Features
Read full description

EDGE21 is an educational tool designed to teach blackjack strategy and game concepts. This app is for entertainment purposes only. EDGE21 is a blackjack strategy training app designed to help you master optimal decision-making at the table. FEATURES: • Learn Basic Strategy with clear rules for every hand combination • Speedrun Mode: Make rapid-fire decisions and test your skills • Boss Hand Mode: Challenge yourself with difficult hands • Count Sprint: Practice card counting techniques • Leak Detector: Identify and fix mistakes in your strategy • Detailed explanations for every move so you understand WHY each decision is optimal GAME MODES: Choose your preferred learning style with independent game modes designed to improve different aspects of your blackjack play. Perfect for: - Casino enthusiasts wanting to improve their game - Blackjack players learning basic strategy - Anyone wanting to practice decision-making and strategy DISCLAIMER: This app is for entertainment and educational purposes only. It is not intended for gambling or real-money activities. Always gamble responsibly and within your means.

About

AnomalyAquarium

Explore a deserted aquarium at night as a security guard, spotting over 40 unique anomalies. Make correct decisions to light lamps and complete your shift. Enjoy simple controls and random events for endless replayability.

Highlights
  • Anomaly spotting gameplay
  • Over 40 unique anomalies
  • Randomly appearing anomalies
  • Simple mobile controls
  • Automatic saving
  • Offline play
Features
Read full description

Anomaly-Finding Game Inspired by Exit 8 – Now on Mobile! The 6th entry in the popular anomaly-spotting series is here! This time, the setting is an aquarium. 【Story】 This is a popular aquarium in town. You have just started your first shift as a night security guard. As you enter the aquarium looking for the other staff members, you find it strangely deserted. Then you discover a manual left behind on a desk. It reads: "If nothing seems unusual, leave through the exit on the right. If you find an anomaly, return to the exit on the left. Each correct decision will light one lamp. When all 9 lamps are lit, your shift is complete." And so begins a night filled with far too many anomalies... 【Features】 • Simple and easy controls designed for mobile devices. Move left or right and tap the screen to zoom in and inspect details. (Perfect even for players who are not comfortable with complex 3D controls!) • Discover over 40 different anomalies. Some are subtle and difficult to spot, some contain horror elements, and others may make you laugh. Since anomalies appear randomly, every playthrough is different. • Automatic saving after each round lets you enjoy short play sessions and quit anytime. • Fully playable offline, making it perfect for commuting, traveling, or passing the time. • A game that tests your observation skills and memory while giving your brain a fun workout. 【Important Notes】 • The game may not function properly on older devices or operating systems. • Completely free to play. No in-app purchases required. • Contains horror elements. Player discretion is advised. • Video uploads, livestreams, and Let's Play content are welcome. • Reviews, feedback, and comments are greatly appreciated. 【Video Content Guidelines】 • Individuals and companies may create videos or livestreams featuring this game without prior permission. • Monetization is allowed only through the monetization features provided by video-sharing platforms. • If possible, please include the game's title in your video title and a link to the store page in the description.

Screenshots

EDGE213 screens
AnomalyAquarium4 screens

Verdict

The call

The clearest difference is rating: EDGE21 at 5.0 against AnomalyAquarium's 3.0. EDGE21 also leads on review sentiment (100% vs 83%). On price, ratings volume, update cadence 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

EDGE21 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of EDGE21's written reviews are positive against 83% of AnomalyAquarium's.

UpkeepUpdate frequency

EDGE21 ships an update fortnightly, AnomalyAquarium daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
EDGE21 versus AnomalyAquarium: the parameters behind the verdict, then further details
ParameterEDGE21AnomalyAquarium
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (1 ratings)
Positive reviews100.0% of reviews — better83.3% of reviews
Number of ratings2 — better1
Update frequencyFortnightlyDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size24 MB348 MB
Age rating4+12+
DeveloperMark BaumrindYU HIRATA

Customer experience

EDGE21

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

AnomalyAquarium

Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

EDGE21

No in-app purchases

None

AnomalyAquarium

No in-app purchases

Questions

Is EDGE21 free?
EDGE21 is free to download, with no in-app purchases.
Is AnomalyAquarium free?
AnomalyAquarium is free to download, with no in-app purchases.
Which has better reviews, EDGE21 or AnomalyAquarium?
EDGE21 is rated higher. EDGE21 averages 5.0 out of 5 from 2 ratings, while AnomalyAquarium averages 3.0 from 1 ratings.
Do EDGE21 or AnomalyAquarium have ads?
Neither EDGE21 nor AnomalyAquarium shows ads.
Which is updated more often, EDGE21 or AnomalyAquarium?
EDGE21 ships an update fortnightly, and AnomalyAquarium daily. Most recently, EDGE21 was updated on October 28, 2026 and AnomalyAquarium on October 31, 2026.

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