# Pompo vs Undercity

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.

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.

## The numbers

| Metric | Pompo | Undercity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (247 ratings)](https://appshunter.io/ios/app/pompo-backpack-heroes/id6499084472/reviews) | **[4.9 (92 ratings)](https://appshunter.io/ios/app/undercity-creature-survival/id6744991966/reviews)** |
| Number of ratings | **247** | 92 |
| Positive reviews | 43.5% of reviews | **58.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 472 MB | 400 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Tae won Go](https://appshunter.io/developer/1115439133) | [1N1](https://appshunter.io/developer/1282816708) |

## What reviewers say

### Pompo

[App page](https://appshunter.io/ios/app/pompo-backpack-heroes/id6499084472)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamonds | $2.99 | one-time |
| Diamond Bits | $4.99 | one-time |
| Ad Remover Pack | $7.99 | one-time |
| Diamond Pile | $9.99 | one-time |
| Diamond Pack | $19.99 | one-time |
| Diamond Box | $49.99 | one-time |
| Diamond Barrel | $89.99 | one-time |

**What reviewers like**

- 👍 Relaxing gameplay
- 👍 Likable characters
- 👍 Easy to learn

**What reviewers complain about**

- 🐛 Connection issues
- 💰 Excessive microtransactions
- 🕹️ Clunky and unsatisfying gameplay

**Reported bugs**

- Broken on launch
- Unresponsive tutorial

**Requested features**

- Improved progression system
- More engaging combat mechanics


### Undercity

[App page](https://appshunter.io/ios/app/undercity-creature-survival/id6744991966)

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:** macOS Compatibility

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Newbie Gift | $0.99 | one-time |
| GEMS | $0.99 | one-time |
| 3Days Elite Package | $1.99 | one-time |
| GEM GRAB | $4.99 | one-time |
| Starter Package | $5.99 | one-time |
| Booster Package | $5.99 | one-time |
| GEM PILE | $8.99 | one-time |
| Remove Ads Package | $9.99 | one-time |
| Slimedog Package | $9.99 | one-time |
| BattlePass Act 2 | $9.99 | one-time |
| GrowthFund 1 | $9.99 | one-time |
| BattlePass Act 1 | $9.99 | one-time |
| GEM POUCH | $14.99 | one-time |
| GrowthFund 2 | $29.99 | one-time |
| GEM BASKET | $29.99 | one-time |
| GEM CHEST | $49.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*