# COSMO PANIC vs Idle Chest

The clearest difference is ads: COSMO PANIC at none against Idle Chest's shown. COSMO PANIC also leads on iOS requirement (13.0 vs 15.0). Idle Chest's advantage is review sentiment (81% vs 47%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. COSMO PANIC sells 24 one-off in-app purchases and Idle Chest sells 5 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 — 4.4 for COSMO PANIC against 4.5 for Idle Chest. Both are backed by a comparable volume of ratings — 69 and 109 respectively. Written reviews are what separate them: 47% of COSMO PANIC's written reviews are positive against 81% of Idle Chest's.

COSMO PANIC ships an update weekly, Idle Chest every 10 days. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | COSMO PANIC | Idle Chest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (69 ratings)](https://appshunter.io/ios/app/cosmo-panic/id6742480050/reviews) | **[4.5 (109 ratings)](https://appshunter.io/ios/app/idle-chest/id6744372975/reviews)** |
| Number of ratings | 69 | **109** |
| Positive reviews | 47.2% of reviews | **80.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 261 MB | 192 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUNDOSHI PARADE K.K.](https://appshunter.io/developer/1031838317) | [Thomas Gunzburger](https://appshunter.io/developer/1807389356) |

## What reviewers say

### COSMO PANIC

[App page](https://appshunter.io/ios/app/cosmo-panic/id6742480050)

Pilot an ancient combat machine in this retro space shooter. Battle waves of over 1,000 aliens at once with roguelite elements and unlimited upgrades. Face epic boss battles and enjoy challenging, one-handed gameplay.

**Highlights:** Massive battles against 1,000+ aliens, Retro arcade-style graphics, One-handed controls, Unlimited upgrades and customization, Epic boss battles, Roguelite elements with changing weapon combinations, Challenging retro-style difficulty

**In-app purchases (24)**

| Purchase | Price | Billing |
| --- | --- | --- |
| デイリーパック | $0.99 | one-time |
| ジェム80個 | $0.99 | one-time |
| Hard 5 Bosses Defeated!! | $1.99 | one-time |
| Normal 5 Bosses Defeated!! | $1.99 | one-time |
| ノーマル15ボス撃破記念!! チャンスパック | $2.99 | one-time |
| Beginner Pack | $3.49 | one-time |
| Mega Daily Pack | $5.49 | one-time |
| ジェム500個 | $5.99 | one-time |
| Normal 10 Bosses Defeated!! | $6.99 | one-time |
| Unit Upgrade Pack | $6.99 | one-time |
| 30-Day Gem Pack | $6.99 | one-time |
| Money Boost 50 | $7.99 | one-time |
| Mecha Slot Unlock Pack I | $10.99 | one-time |
| 10x Stone Pack | $10.99 | one-time |
| 広告非表示パック | $11.49 | one-time |
| ジェム1200個 | $11.49 | one-time |
| Attack Power Stone Pack 2 | $11.99 | one-time |
| Attack Power Stone Pack 3 | $11.99 | one-time |
| PremiumPass:Hard | $12.99 | one-time |
| プレミアムパス(ノーマル) | $12.99 | one-time |
| Hard 15 Bosses Defeated!! | $25.99 | one-time |
| Money Boost 150 | $26.99 | one-time |
| Mecha Slot Unlock Pack III | $38.99 | one-time |
| ジェム14000個 | $111.99 | one-time |


### Idle Chest

[App page](https://appshunter.io/ios/app/idle-chest/id6744372975)

Embark on a treasure-hunting adventure where every click earns rewards. Upgrade your skills, collect and enhance equipment, and unlock unique abilities. Discover the secrets of this world through engaging gameplay and an addictive incremental experience.

**Highlights:** Open various chests, Loot and upgrade equipment, Buy skill upgrades, Unlock unique skills, Discover game story

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Underwater Background Skin | $3.99 | one-time |
| Underwater Chests Skin | $3.99 | one-time |
| Underwater Acolytes Skin | $3.99 | one-time |
| No Ads | $3.99 | one-time |
| Underwater Complete Skins Pack | $8.99 | one-time |

**What reviewers like**

- 👍 Fun short idle clicker
- 👍 Consistent theme
- 👍 Enjoyable experience
- 👍 Minimalistic but rewarding grind
- 💰 Non-intrusive ads

**What reviewers complain about**

- 🐛 Game breaking bug with 'Chosen One' minion
- 🔍 Difficult to compare tap damage to acolyte damage
- 🔍 Some explanations could be improved
- 🔍 Slightly linear progression

**Reported bugs**

- Progress resets or reverts
- Minions not working after equipping 'Chosen One'

**Requested features**

- Dark mode option
- Better UI for comparing damage sources


## Frequently asked questions

### Is COSMO PANIC free?

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

### Is Idle Chest free?

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

### Which has better reviews, COSMO PANIC or Idle Chest?

Idle Chest is rated higher. COSMO PANIC averages 4.4 out of 5 from 69 ratings, while Idle Chest averages 4.5 from 109 ratings.

### Do COSMO PANIC or Idle Chest have ads?

Idle Chest shows ads; COSMO PANIC does not.

### Which is updated more often, COSMO PANIC or Idle Chest?

COSMO PANIC ships an update weekly, and Idle Chest every 10 days. Most recently, COSMO PANIC was updated on September 20, 2026 and Idle Chest on September 19, 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.*