Comparison

81 numbers ascend memory vs Depengder

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

Head to head
About

81 numbers ascend memory

A memory game where players find numbers 1 through 81 in ascending order across nine stages. After the initial touch, number tiles are hidden, requiring memorization of their positions to complete each level quickly.

Highlights
  • Find numbers 1-81
  • Ascending order challenge
  • Memorize hidden tile positions
  • Nine stages of increasing difficulty
  • Quick reaction and memory test
Features
Read full description

This App "81 numbers ascend memory" is a game to look for numbers from 1 to 81 in ascending order. There are 9 numbers on nine stages. After the first touch at each stage, tiles of answer are hidden. This is a game to memorize the position of the number. Touch from 1 to 81. So you recognize the course order of the touch by short time and memorize it at a moment and you touch them in order quickly.

About

Depengder

Defend the world with a troop of penguins in this exciting tower defense game. Deploy weapons and ally units to defeat approaching monsters, and recruit defeated foes to join your ranks. Upgrade various elements to enhance your defenses and strategy.

Highlights
  • Penguin troop defense
  • Monster recruitment
  • Weapon upgrades
  • Ally unit upgrades
  • Strategic deployment
Features
Read full description

The world needs saving—and the penguins are ready for action! Deploy weapons, send your penguin squad into battle, and fight back against waves of monsters in this action-packed tower defense game! Place your weapons strategically and deploy a variety of friendly units to stop the approaching enemies. Choose the right weapon, the right position, and the right unit—your strategy will determine the outcome of every battle! Defeated monsters can even become your allies. Take down powerful enemies, recruit them to your side, and build a team all your own! 【GAME FEATURES】 ・Strategic battles combining weapon placement and unit deployment ・Collect and upgrade monsters by recruiting defeated enemies ・A wide variety of weapons and friendly units, each with unique abilities ・Plenty of ways to strengthen your squad as you play ・Distinctive stages filled with colorful monsters Upgrade your weapons, strengthen your allies, and build the ultimate penguin squad! The fate of the world rests in your hands!

Screenshots

81 numbers ascend memory4 screens
Depengder4 screens

Verdict

The call

The clearest difference is in-app purchases: 81 numbers ascend memory at none against Depengder's 8. 81 numbers ascend memory also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). Depengder's advantage is update cadence (every 5 weeks vs every 13 months). On price, rating, review sentiment and ratings volume 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. Depengder sells 8 one-off in-app purchases. 81 numbers ascend memory asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for 81 numbers ascend memory against 5.0 for Depengder. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 100% of 81 numbers ascend memory's written reviews are positive against 92% of Depengder's.

UpkeepUpdate frequency

81 numbers ascend memory ships an update every 13 months, Depengder every 5 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
81 numbers ascend memory versus Depengder: the parameters behind the verdict, then further details
Parameter81 numbers ascend memoryDepengder
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews — better92.3% of reviews
Number of ratings12 — better
Update frequencyEvery 13 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.0
Further details — not scored
Size4 MB153 MB
Age rating4+9+
DeveloperCurrach SoftwareHiroaki Nita

Customer experience

81 numbers ascend memory

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Depengder

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews26 reviews
Positive92.3%
Neutral3.8%
Negative3.8%

In-app purchases

None

81 numbers ascend memory

No in-app purchases

8 purchases

Depengder

One-time8
  • 120 diamonds$0.99
  • 350 diamonds$2.99
  • No Ads$3.99
Show 5 more
  • 800 diamonds$5.99
  • Bonus Pass$19.99
  • 2,700 diamonds$19.99
  • 5,000 diamonds$29.99
  • 10,000 diamonds$59.99

Questions

Is 81 numbers ascend memory free?
81 numbers ascend memory is free to download, with no in-app purchases.
Is Depengder free?
Depengder is free to download, with in-app purchases available.
Which has better reviews, 81 numbers ascend memory or Depengder?
81 numbers ascend memory and Depengder are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do 81 numbers ascend memory or Depengder have ads?
Depengder shows ads; 81 numbers ascend memory does not.
Which is updated more often, 81 numbers ascend memory or Depengder?
81 numbers ascend memory ships an update every 13 months, and Depengder every 5 weeks. Most recently, 81 numbers ascend memory was updated on October 6, 2026 and Depengder on October 24, 2026.

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