Comparison

Pompo vs Undercity

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

Head to head
About

Pompo

Embark on an adventure with Pompo and his companions in this backpack RPG. Strategically arrange items like weapons and armor in a limited backpack space to win battles. Explore diverse locations, collect gear, and face the Demon King.

Highlights
  • Strategic backpack item arrangement
  • Collect and combine weapons, armor, and gear
  • Tactical space management
  • Explore diverse dungeons and locations
  • Battle boss monsters and the Demon King
  • Collect and grow with 36 companions
Features
Read full description

A bear named Pompo embarks on an adventure with a backpack. On his way, he meets the Mimic, who whispers, "I feel a special kind of power coming from you." The ancient golem known as the "Pathfinder" awakens from its deep slumber, and Pompo sets out to explore the continent alongside his 36 companions. Awaiting them is the fearsome Demon King, Lampa. From the Lake of Constellations to the Tower of Stars and the Tower of Time, each journey is filled with wonder and mystery, where hope and darkness walk side by side. Now, as the knight from the legends, it's time for Pompo to illuminate the shrouded paths. --------------------------------------------------------------------------------------------------- Strategy in the palm of your hand! Win battles with Pompo’s backpack! Collect items and arrange them efficiently to claim victory! - Placement is Everything The backpack is at the heart of your strategy. Arrange weapons, armor, and healing items within the limited space. The layout will determine the outcome of every battle. - Open the Mimic & Collect Items Find keys through your adventures and open the Mimic chest to fill your backpack. Combine powerful weapons, armor, and utility gear to craft your unique combat style. - Tactical Space Management Master the fun of optimizing limited space! Choose between large, powerful gear or small items with diverse effects—every decision shapes your strategy. - Explore and Grow with Pompo and Friends! Dive into hidden dungeons, boss battles, Lake of Constellations, Tower of Time, and more across the vast continent of Poporia. Collect, battle, and grow endlessly! Embark on an adventure in this all-new backpack RPG, together with Pompo!

About

Undercity

Survive an arcane-punk apocalypse by building a team of mutant creatures and merging weapons. Engage in strategic, fast-paced battles with one-handed controls in a dark, cartoon-style world. Experience unpredictable roguelite runs with endless synergy possibilities.

Highlights
  • Creature fusion and weapon merging
  • Unpredictable roguelite runs
  • Fast-paced one-handed controls
  • Arcane-punk world exploration
  • Synergy-based combat
Features
Read full description

Are you ready to survive the Arcane-punk apocalypse? A genius scientist, Zen, exiled to the Undercity. Toxic gas has turned the world into chaos. Mutant monsters roam free… Build your ultimate team with creature collecting and synergy-based combat. Combine relics and weapons for ever-changing, strategic battles. Master one-handed controls and unleash auto-attack mayhem. This is roguelite survival at its wildest. *Key Features – Immersive Arcane-punk World: Explore a dark, cartoon-style realm full of ruined tech and twisted science – Creature Fusion & Weapon Merge – Mix and match for endless synergy possibilities – Unpredictable Roguelite Runs – Every session brings new choices, new builds, and new enemies – Fast-Paced Survival Action – Built for one-handed play with fluid controls and auto battle mechanics – From Undercity to Celestial Labs – Progress through multiple acts with unique bosses and monster types Think you can survive the ruins of heaven? Download now and prove it.

Screenshots

Pompo4 screens
Undercity4 screens

Verdict

The call

Pompo and Undercity both sit at 4.8 stars, but that hides the real split: 59% of Undercity's written reviews are positive against 44% of Pompo's. On price, rating, ratings volume and update cadence 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. Pompo sells 7 one-off in-app purchases and Undercity sells 16 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Pompo against 4.9 for Undercity. Both are backed by a comparable volume of ratings — 247 and 92 respectively. Written reviews are what separate them: 44% of Pompo's written reviews are positive against 59% of Undercity's.

UpkeepUpdate frequency

Pompo ships an update weekly, Undercity every 5 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Pompo versus Undercity: the parameters behind the verdict, then further details
ParameterPompoUndercity
PriceFreeFree
Rating4.8 (247 ratings)4.9 (92 ratings) — better
Positive reviews43.5% of reviews58.8% of reviews — better
Number of ratings247 — better92
Update frequencyWeeklyEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size472 MB400 MB
Age rating9+12+
DeveloperTae won Go1N1

Customer experience

Pompo

All ratings247 ratings
Positive94.7%
Neutral1.6%
Negative3.6%
Written reviews170 reviews
Positive43.5%
Neutral8.8%
Negative47.6%

Undercity

All ratings92 ratings
Positive97.8%
Neutral1.1%
Negative1.1%
Written reviews80 reviews
Positive58.8%
Neutral11.3%
Negative30.0%

Bugs and requests

Pompo

Reported bugs

2 issues
  • Broken on launch
  • Unresponsive tutorial

Requested features

2 requests
  • Improved progression system
  • More engaging combat mechanics

Undercity

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Pompo

One-time7
  • Diamonds$2.99
  • Diamond Bits$4.99
  • Ad Remover Pack$7.99
Show 4 more
  • Diamond Pile$9.99
  • Diamond Pack$19.99
  • Diamond Box$49.99
  • Diamond Barrel$89.99
16 purchases

Undercity

One-time16
  • 3-Day Newbie Gift$0.99
  • GEMS$0.99
  • 3Days Elite Package$1.99
Show 13 more
  • GEM GRAB$4.99
  • Starter Package$5.99
  • Booster Package$5.99
  • GEM PILE$8.99
  • Remove Ads Package$9.99
  • Slimedog Package$9.99
  • BattlePass Act 2$9.99
  • GrowthFund 1$9.99
  • BattlePass Act 1$9.99
  • GEM POUCH$14.99
  • GrowthFund 2$29.99
  • GEM BASKET$29.99
  • GEM CHEST$49.99

Questions

Is Pompo free?
Pompo is free to download, with in-app purchases available.
Is Undercity free?
Undercity is free to download, with in-app purchases available.
Which has better reviews, Pompo or Undercity?
Undercity is rated higher. Pompo averages 4.8 out of 5 from 247 ratings, while Undercity averages 4.9 from 92 ratings.
Do Pompo or Undercity have ads?
Both Pompo and Undercity show ads.
Which is updated more often, Pompo or Undercity?
Pompo ships an update weekly, and Undercity every 5 days. Most recently, Pompo was updated on October 31, 2026 and Undercity on October 25, 2026.

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