# COSMO PANIC vs Mystery Digger

COSMO PANIC and Mystery Digger both sit at 4.4 stars, but that hides the real split: 92% of Mystery Digger's written reviews are positive against 47% of COSMO PANIC's. Mystery Digger also leads on in-app purchases (none vs 27). COSMO PANIC's advantage is ads (none vs shown) and update cadence (weekly vs every 5 weeks). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. COSMO PANIC sells 27 one-off in-app purchases. Mystery Digger asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for COSMO PANIC against 4.5 for Mystery Digger. Both are backed by a comparable volume of ratings — 74 and 30 respectively. Written reviews are what separate them: 47% of COSMO PANIC's written reviews are positive against 92% of Mystery Digger's.

COSMO PANIC ships an update weekly, Mystery Digger every 5 weeks. The most recent releases landed on October 28, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | COSMO PANIC | Mystery Digger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (74 ratings)](https://appshunter.io/ios/app/cosmo-panic/id6742480050/reviews) | **[4.5 (30 ratings)](https://appshunter.io/ios/app/mystery-digger/id6743214380/reviews)** |
| Number of ratings | **74** | 30 |
| Positive reviews | 47.2% of reviews | **92.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 261 MB | 117 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [FUNDOSHI PARADE K.K.](https://appshunter.io/developer/1031838317) | [Nikolai Perminov](https://appshunter.io/developer/1727563081) |

## 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 (27)**

| 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 |
| Unit Weapon Upgrade Pack | $9.99 | 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 |
| Planet Upgrade Pack | $15.99 | one-time |
| 11x Mech Pack | $21.99 | 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 |


### Mystery Digger

[App page](https://appshunter.io/ios/app/mystery-digger/id6743214380)

Explore underground mysteries in this idle clicker game. Upgrade your drilling machine to uncover hidden notes and intriguing items that reveal a captivating story. Enjoy straightforward controls and soothing gameplay for a relaxing adventure.

**Highlights:** Idle clicker gameplay, Underground exploration, Drilling machine upgrades, Uncover hidden notes, Collect intriguing items, Captivating story progression, Relaxing adventure

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COSMO PANIC free?

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

### Is Mystery Digger free?

Mystery Digger is free to download, with no in-app purchases.

### Which has better reviews, COSMO PANIC or Mystery Digger?

Mystery Digger is rated higher. COSMO PANIC averages 4.4 out of 5 from 74 ratings, while Mystery Digger averages 4.5 from 30 ratings.

### Do COSMO PANIC or Mystery Digger have ads?

Mystery Digger shows ads; COSMO PANIC does not.

### Which is updated more often, COSMO PANIC or Mystery Digger?

COSMO PANIC ships an update weekly, and Mystery Digger every 5 weeks. Most recently, COSMO PANIC was updated on October 28, 2026 and Mystery Digger on October 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.*