# Red Hearts vs Underdark

The clearest difference is in-app purchases: Red Hearts at none against Underdark's 35. Red Hearts also leads on ads (none vs shown) and review sentiment (100% vs 72%). Underdark's advantage is ratings volume (4.1K vs 6) and rating (4.8 vs 4.5). On price and device support there is nothing between them.

Both are free to download. Underdark sells 34 one-off in-app purchases. Red Hearts asks for nothing beyond the download.

Underdark holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Underdark has 4.1K ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 100% of Red Hearts's written reviews are positive against 72% of Underdark's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | Red Hearts | Underdark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6 ratings)](https://appshunter.io/ios/app/red-hearts-tiny-dungeon-crawler/id1207919316/reviews) | **[4.8 (4.1K ratings)](https://appshunter.io/ios/app/underdarkdefense/id6482025287/reviews)** |
| Number of ratings | 6 | **4.1K** |
| Positive reviews | **100.0% of reviews** | 72.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 520 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Brothers Flint](https://appshunter.io/developer/369225224) | [SeungHo Chung](https://appshunter.io/developer/1626940418) |

## What reviewers say

### Red Hearts

[App page](https://appshunter.io/ios/app/red-hearts-tiny-dungeon-crawler/id1207919316)

Engage in quick action-packed battles, dodging traps and throwing shurikens through miniature dungeons. This game is actively being developed with new content planned.

**Highlights:** Explore tiny dungeons, Battle monsters, Dodge traps, Throw shurikens, Quick bursts of action

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Underdark

[App page](https://appshunter.io/ios/app/underdarkdefense/id6482025287)

Defend the Eternal Flame from relentless dark forces in this tactical tower defense game. Strategically place towers, choose powerful buffs, and level up unique heroes to forge an impenetrable defense. Enjoy one-handed gameplay for strategic fun anytime, anywhere.

**Highlights:** Defend the Eternal Flame, One-handed gameplay, Customize defense strategy, Level up heroes, Strategic tower placement, Choose buffs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (34)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Event Package 1 | $0.99 | one-time |
| daily_package_01 | $0.99 | one-time |
| season_growth_1 | $0.99 | one-time |
| dailyshop_1 | $1.99 | one-time |
| blade_pakcage | $2.99 | one-time |
| daily_package_02 | $2.99 | one-time |
| exp_2x | $3.49 | one-time |
| skin_30501 | $3.49 | one-time |
| Event Package 2 | $3.99 | one-time |
| pet_package | $4.99 | one-time |
| weekly_package_01 | $6.99 | one-time |
| add_speed | $7.49 | one-time |
| pass_hero_115 | $7.49 | one-time |
| pass_hero_102 | $7.49 | one-time |
| pass_hero_110 | $7.49 | one-time |
| season_superpass_1 | $7.99 | one-time |
| pack_remove_ads | $7.99 | one-time |
| daily_package_03 | $7.99 | one-time |
| hero_legend_santa | $8.99 | one-time |
| hero_legend_tower | $8.99 | one-time |
| hero_legend_armor | $8.99 | one-time |
| Event Package 3 | $8.99 | one-time |
| hero_legend_joker | $8.99 | one-time |
| hero_legend_necromancer | $8.99 | one-time |
| hero_legend_chicken | $8.99 | one-time |
| tower_legend_614 | $8.99 | one-time |
| ud_pack_20106 | $8.99 | one-time |
| tower_legend_628 | $8.99 | one-time |
| pack_remove_ads2 | $10.99 | one-time |
| Event Package 4 | $12.99 | one-time |
| season_level_1 | $16.99 | one-time |
| season_stage_1 | $16.99 | one-time |
| Event Package 5 | $17.99 | one-time |
| season_hyperpass_1 | $18.99 | one-time |

**What reviewers like**

- 🚀 Addictive gameplay
- 👍 Generous with rewards
- 🚀 Smooth performance
- 👍 No forced ads
- 👍 Unique tower defense mechanics

**What reviewers complain about**

- 🐛 Multiplayer issues
- 🔋 Battery drain
- 🔒 Paywall for progression
- 🔒 Excessive microtransactions
- 🔒 Confusing UI with too many menus

**Reported bugs**

- Goblin tower factory causing game slowdown
- Consecutive login rewards reset after updates
- Invisible towers in multiplayer

**Requested features**

- Ability to rotate towers
- Move towers after placement
- More enemy variety and animations
- Improved co-op mode
- Simplified progression system


## Frequently asked questions

### Is Red Hearts free?

Red Hearts is free to download, with no in-app purchases.

### Is Underdark free?

Underdark is free to download, with in-app purchases available.

### Which has better reviews, Red Hearts or Underdark?

Underdark is rated higher. Red Hearts averages 4.5 out of 5 from 6 ratings, while Underdark averages 4.8 from 4.1K ratings.

### Do Red Hearts or Underdark have ads?

Underdark shows ads; Red Hearts does not.

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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.*