Pompo vs Undercity
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- 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
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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!
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.
- Creature fusion and weapon merging
- Unpredictable roguelite runs
- Fast-paced one-handed controls
- Arcane-punk world exploration
- Synergy-based combat
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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
Verdict
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
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.
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.
Pompo ships an update weekly, Undercity every 5 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | Pompo | Undercity |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (247 ratings) | 4.9 (92 ratings) — better |
| Positive reviews | 43.5% of reviews | 58.8% of reviews — better |
| Number of ratings | 247 — better | 92 |
| Update frequency | Weekly | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 472 MB | 400 MB |
| Age rating | 9+ | 12+ |
| Developer | Tae won Go | 1N1 |
Customer experience
Pompo
Undercity
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
Pompo
- Diamonds$2.99
- Diamond Bits$4.99
- Ad Remover Pack$7.99
Show 4 moreShow fewer
- Diamond Pile$9.99
- Diamond Pack$19.99
- Diamond Box$49.99
- Diamond Barrel$89.99
Undercity
- 3-Day Newbie Gift$0.99
- GEMS$0.99
- 3Days Elite Package$1.99
Show 13 moreShow fewer
- 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









