# Idle Monster Defense — Idle Monster Defense

> Tower defense game with monster merging, upgrading, and strategic combat. (iPhone/iPad app by Mai Duc.)

- Source: https://appshunter.io/ios/app/idle-monster-defense/id1480475867 (this page in markdown: same URL + `.md`)
- Developer: [Mai Duc](https://appshunter.io/developer/1480186670)
- Category: Games, Simulation, Strategy
- Price: Free with in-app purchases
- Rating: 3.00/5 from 5 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 343 MB
- Languages: English
- Released: 2019-09-18
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/idle-monster-defense/id1480475867/reviews.md

## What is Idle Monster Defense?

In this game, you have to perform the task of raising many kinds of monsters and defeating enemies, protecting your tower. You must apply tactics based on the enemy's special skills to win. Upgrade your hero and join them in battle!

Feartures:
- Merge and upgrade your monster army.
- Countless monsters with unique skills, multiple upgrade modes.
- Want to play faster? Use 2x fast forward feature!
- The game can be played anywhere, even without an Internet connection!
- Beautiful graphics, true sound.
- Easy to play, addictive game.

Start your monster empire today!

## Key features

- Merge and upgrade monster army
- Monsters with unique skills and upgrade modes
- 2x fast forward feature
- Offline play supported
- Beautiful graphics and sound
- Easy and addictive gameplay

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Get 15000 Flames | $9.99 | one-time |
| Get 30000 Flames | $19.99 | one-time |
| Get 80000 Flames | $49.99 | one-time |
| Double Flame you earn | $0.99 | one-time |
| get bonus 1 coin | $0.99 | one-time |
| get bonus 1 exp | $0.99 | one-time |
| Item bonus | $0.99 | one-time |
| Have chance reborn | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/idle-monster-defense/id1480475867/reviews.md

### 1/5 — Horrible waste of time

*2023-07-16*

Horrible game they don’t update any more don’t waste your time

### 2/5 — Nice graphics. Shame about the playability.

*2019-10-10*

Too many ad things and you can’t add towers during a wave attack rendering the game frustrating.

## Frequently asked questions about Idle Monster Defense

### What is Idle Monster Defense?

Idle Monster Defense is a tower defense game where you merge and upgrade monsters to defeat enemies and protect your tower. It features strategic combat and can be played offline.

### How do I play Idle Monster Defense?

You play by merging and upgrading your monster army, applying tactics based on enemy skills, and upgrading your hero to join the battle. The game is designed to be easy to play and addictive.

### Can I play Idle Monster Defense offline?

Yes, the game can be played anywhere, even without an Internet connection, making it convenient for on-the-go gaming.

### Does Idle Monster Defense have ads?

Based on the provided data, this game does not explicitly state it has ads. However, it does offer in-app purchases.

### What devices support Idle Monster Defense?

Idle Monster Defense is supported on iPhone, iPad, and iPod devices, indicated by its compatibility with iOS.

### What is the age rating for Idle Monster Defense?

The game has an age rating of 4+, making it suitable for younger players and families.

### How often is Idle Monster Defense updated?

The latest version is 3.1.4, released on February 26, 2020. While the last update was in 2020, the game is playable offline and offers a complete experience.

### What are the in-app purchases in Idle Monster Defense?

The game offers in-app purchases, which likely include options to speed up progress or acquire special items to enhance gameplay, though specific details are not provided.

## Version history (last 5 releases)

### 3.1.4 — 2020-02-26

Update UI booster

### 3.1.3 — 2020-02-06

update UI

### 3.1.1 — 2020-01-18

Update animation monster

### 3.1.0 — 2020-01-08

fix ad
fix normal monster upgrade

### 3.0.9 — 2020-01-02

fix level
add monster

## Apps similar to Idle Monster Defense

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Eternal Cannon Idle Shooting](https://appshunter.io/ios/app/eternal-cannon-idle-shooting/id1348208250) | 4.7 (4,818) | Free | Games |
| [Idle Hero TD Tower Defense RPG](https://appshunter.io/ios/app/idle-hero-td-tower-defense-rpg/id6479284270) | 4.8 (61) | Free | Games |
| [Idle Fortress Tower Defense](https://appshunter.io/ios/app/idle-fortress-tower-defense/id1601958372) | 4.4 (1,563) | Free | Games |
| [Idle Kingdom Defense](https://appshunter.io/ios/app/idle-kingdom-defense/id1589164531) | 4.6 (8,009) | Free | Games |
| [Idle Monster TD](https://appshunter.io/ios/app/idle-monster-td/id1493941058) | 4.7 (2,531) | Free | Games |
| [Kingdom Guard:Tower Defense TD](https://appshunter.io/ios/app/kingdom-guardtower-defense-td/id1570095804) | 4.5 (48,691) | Free | Games |

## More apps by Mai Duc

- [Bubble Shooter: Witch Story](https://appshunter.io/ios/app/bubble-shooter-witch-story/id1480186671)
- [Monster TD : Treasure Defense](https://appshunter.io/ios/app/monster-td-treasure-defense/id1495513054)
- [Summon Heroes - New Era](https://appshunter.io/ios/app/summon-heroes-new-era/id1538111896)
- [Brave Soldier : Topdown](https://appshunter.io/ios/app/brave-soldier-topdown/id1548257105)
- [Hero Fighter : Tower Defense](https://appshunter.io/ios/app/hero-fighter-tower-defense/id1603400217)

All apps by Mai Duc: https://appshunter.io/developer/1480186670

## Related topics

[idle monster defense](https://appshunter.io/ios/topics/idle-monster-defense)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*