# Gravely vs Code Z Day

The clearest difference is in-app purchases: Gravely at none against Code Z Day's 8. Gravely also leads on update cadence (every 3 days vs every 4 months) and rating (5.0 vs 4.7). Code Z Day's advantage is ratings volume (122 vs 8). On price, ads and device support there is nothing between them.

Both are free to download. Code Z Day sells 8 one-off in-app purchases. Gravely asks for nothing beyond the download.

Gravely holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Code Z Day has 122 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 100% of Gravely's written reviews are positive against 92% of Code Z Day's.

Gravely ships an update every 3 days, Code Z Day every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Gravely | Code Z Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/gravely/id1478180681/reviews)** | [4.7 (122 ratings)](https://appshunter.io/ios/app/code-z-day-fps-scary-games-3d/id1596562983/reviews) |
| Number of ratings | 8 | **122** |
| Positive reviews | **100.0% of reviews** | 91.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 211 MB | 240 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Winkpass Creations, Inc.](https://appshunter.io/developer/288636661) | [Andrey Baranov](https://appshunter.io/developer/1594543115) |

## What reviewers say

### Gravely

[App page](https://appshunter.io/ios/app/gravely/id1478180681)

A first-person horror survival game where players must find keys and portals to escape walking dead. Survive all worlds to become a listed survivor or remain lost forever.

**Highlights:** First-person perspective, Horror survival gameplay, Key and portal mechanics, Multiple worlds to explore, Survivor leaderboard

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

**In-app purchases:** none


### Code Z Day

[App page](https://appshunter.io/ios/app/code-z-day-fps-scary-games-3d/id1596562983)

Experience a chilling first-person shooter survival horror game set on a desolate space station. Battle terrifying mutants, explore dark corridors, and manage your resources to stay alive. The game offers realistic 3D graphics and offline play.

**Highlights:** Offline survival shooter gameplay, Realistic 3D horror graphics, Character ability upgrades, Save and load game progress, Detailed 3D map with secrets

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recovery | $0.99 | one-time |
| Ammo | $0.99 | one-time |
| 2000 Credits | $1.99 | one-time |
| Disable Ads | $3.99 | one-time |
| Triple Revive | $4.99 | one-time |
| Ednless Ammo | $4.99 | one-time |
| Weapons Pack | $6.99 | one-time |
| Dis. Ads/Weapon Pack/Infinite Ammo | $9.99 | one-time |


## Frequently asked questions

### Is Gravely free?

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

### Is Code Z Day free?

Code Z Day is free to download, with in-app purchases available.

### Which has better reviews, Gravely or Code Z Day?

Gravely is rated higher. Gravely averages 5.0 out of 5 from 8 ratings, while Code Z Day averages 4.7 from 122 ratings.

### Do Gravely or Code Z Day have ads?

Both Gravely and Code Z Day show ads.

### Which is updated more often, Gravely or Code Z Day?

Gravely ships an update every 3 days, and Code Z Day every 4 months. Most recently, Gravely was updated on November 3, 2026 and Code Z Day on November 3, 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.*