Petit vs GREY DAY
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Petit
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Let's see how many points you can make before you pick the chili!!!
GREY DAY
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Built with AI. Open World Zombie Survival in a fictional city. Survive the apocalypse with other players in real-time multiplayer. ▶ Vast Open World Explore a vast voxel city overrun by zombies. ▶ Real-time Global Multiplayer 4 regions worldwide (Korea, Americas, Europe, Southeast Asia). Meet survivors from across the world. ▶ Vehicle System Drive 5 vehicle types — sedan, truck, bus, sports car, pickup. Mow down zombie hordes. ▶ Weapon + Character Upgrades Buy and enhance weapons with level-by-level damage scaling. ▶ Boss Zombie Tiers Progressively unlocked bosses (T2 to T20). Cooperation essential. ▶ Ad-Reward System Revive, 2× damage boost, enhance protection — all free via ads. ▶ 13 Languages Supported — Official: https://we.zday.space Support: support@zday.space
Screenshots
Verdict
The clearest difference is in-app purchases: Petit at none against GREY DAY's 6. Petit also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. GREY DAY sells 6 one-off in-app purchases. Petit asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 28, 2026.
| Parameter | Petit | GREY DAY |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 173 MB | 200 MB |
| Age rating | 4+ | 12+ |
| Developer | Sheng Cao | HOKWANG LEE |
In-app purchases
Petit
No in-app purchases
GREY DAY
- 100 Coins$0.99
- 550 Coins$4.99
- 1,200 Coins$9.99
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- 2,600 Coins$19.99
- 7,000 Coins$49.99
- 15,000 Coins$99.99
