Comparison

Monocular Enemy vs Dice 21

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

Head to head
About

Monocular Enemy

Embark on a retro 2D side-scrolling adventure as a robot fighting to save the world from monsters. Navigate traps, defeat enemies, and overcome bosses to restore peace. This free game offers a complete experience without waiting or billing elements, featuring auto-save functionality.

Highlights
  • 2D side-scrolling gameplay
  • Robot protagonist
  • Monster and boss battles
  • Trap avoidance
  • Auto-save functionality
  • Free to play
Features
Read full description

Monocular enemy is a 2D action game of side scrolling. A robot got up to save the world dominated by monsters. Defeat enemies, avoid traps, defeat the boss and regain peace to the world. This game has no boring waiting time or billing elements. You can play free of charge until the ending. It supports auto save. ■ Operation method Lkey: move left Rkey: move right Akey: Jump ■ Attack method Akey + Akey Pressing Akey while jumping attacks. Falling + Akey Pressing Akey while falling will attack. BGM: Pocket sound depeloper twitter: YUSEI MIYOSHI

About

Dice 21

Features
Read full description

Place a die. Make exactly 21. Clear the line. Dice 21 is a quick number puzzle about choosing an open cell while reading the next roll. The rule is simple; the decisions and chains keep growing. HOW TO PLAY • Place the NEXT die in any open cell. • Make one row or column total exactly 21 to clear it. • Clear a row and column together for a DOUBLE 21 and 8× the points. • Clear again within two moves to build a CHAIN worth up to 25×. • Spend a Flip Token to turn one die to its opposite face. • In timed modes, each score target adds 15 seconds. PLAY YOUR WAY • Four modes: 90 seconds, 3 minutes, 5 minutes, and Endless • A high score for every mode, plus Game Center leaderboards • The same daily dice sequence for every player • Play streaks and rotating weekly missions • Share your score and maximum CHAIN as an image • 13 animal worlds, including rabbit, bear, cat, penguin, and more The Theme Pack is a one-time purchase that permanently unlocks 11 premium themes. The Monthly Ad Skip Pass removes in-game ads while active and includes one ad-free continue in every eligible run. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Monocular Enemy4 screens
Dice 214 screens

Verdict

The call

The clearest difference is in-app purchases: Monocular Enemy at none against Dice 21's 2. Monocular Enemy also leads on iOS requirement (12.0 vs 17.0). Dice 21's advantage is update cadence (every 4 days vs every 15 months) and review sentiment (100% vs 83%). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Dice 21 sells 2 in-app purchases, starting at $1.99 per month. Monocular Enemy asks for nothing beyond the download.

UpkeepUpdate frequency

Monocular Enemy ships an update every 15 months, Dice 21 every 4 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Monocular Enemy versus Dice 21: the parameters behind the verdict, then further details
ParameterMonocular EnemyDice 21
PriceFreeFree
Rating4.6 (105 ratings) — better—
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings105 — better—
Update frequencyEvery 15 monthsEvery 4 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size44 MB31 MB
Age rating9+4+
DeveloperYUSEI MIYOSHIRYO YAMAMOTO

Customer experience

Monocular Enemy

All ratings93 ratings
Positive92.5%
Neutral2.2%
Negative5.4%
Written reviews12 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Dice 21

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

In-app purchases

None

Monocular Enemy

No in-app purchases

2 purchases

Dice 21

Subscriptions1
  • Monthly Ad Skip Pass$1.991 Month
One-time1
  • Theme Pack$3.99

Questions

Is Monocular Enemy free?
Monocular Enemy is free to download, with no in-app purchases.
Is Dice 21 free?
Dice 21 is free to download, with in-app purchases available.
Do Monocular Enemy or Dice 21 have ads?
Both Monocular Enemy and Dice 21 show ads.
Which is updated more often, Monocular Enemy or Dice 21?
Monocular Enemy ships an update every 15 months, and Dice 21 every 4 days. Most recently, Monocular Enemy was updated on November 6, 2026 and Dice 21 on November 5, 2026.

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