Necrozone vs Cog Hero
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Necrozone
A retro action game challenging players to defeat enemies quickly. Guide a ball of light through levels, avoiding obstacles and destroying monsters using the environment's rune layout. Master five distinct zones with unique challenges to achieve perfect scores.
- Retro action gameplay
- Defeat enemies quickly
- Guide a ball of light
- Avoid obstacles
- Break apart monsters
- Five unique zones
- Level perfection challenges
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Necrozone is a retro action game where you must defeat enemies as fast as possible. Using each level's rune layout, players must guide a ball of light around the stage to avoid obstacles and break apart all monsters in its path! There are five Zones with six levels each, all of which feature a unique layout and gimmick which requires players to adapt and strategize to find the fastest way to defeat every enemy. Completing the game is one challenge, but perfecting each level is another!
Cog Hero
A puzzle game where you make gears spin by tapping and moving them. Stacked gears turn if their colors match neighbors, and different colors can overlap. Unlock new color schemes and enjoy infinite replays with random levels.
- Gear rotation puzzles
- Color matching mechanics
- One-way gear challenges
- Unlockable color schemes
- Randomly generated levels
- Offline play
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A board full of Gears. Can you make them all turn? Tap to select, then tap to move. Stacked gears turn if either of the colors match their neighbor. Different colors can overlap and spin. One-way gears can't be moved. Use others to connect and spin them. Win to unlock more color schemes. Random levels for infinite replays. No ads. No WiFi needed. Play Easy as much as you want, upgrade for higher difficulty levels!
Screenshots
Verdict
The clearest difference is rating: Necrozone at 4.8 against Cog Hero's 3.4. Necrozone also leads on in-app purchases (none vs 1) and review sentiment (93% vs 67%). On price, update cadence, ads and device support 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. Cog Hero sells 1 one-off in-app purchase. Necrozone asks for nothing beyond the download.
Necrozone holds the better App Store score, 4.8 against 3.4. That said, the two scores are not equally well evidenced: Necrozone has 60 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 93% of Necrozone's written reviews are positive against 67% of Cog Hero's.
Both ship on a similar rhythm, roughly every 12 months. The most recent releases landed on July 5, 2026 and August 20, 2026 respectively.
| Parameter | Necrozone | Cog Hero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (60 ratings) — better | 3.4 (8 ratings) |
| Positive reviews | 93.1% of reviews — better | 66.7% of reviews |
| Number of ratings | 60 — better | 8 |
| Update frequency | Every 12 months | Every 12 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 14 MB | 3 MB |
| Age rating | 9+ | 4+ |
| Developer | Kyle Schaub | Headlight Software, Inc. |
Customer experience
Necrozone
Cog Hero
In-app purchases
Necrozone
No in-app purchases
Cog Hero
- Unlock All Difficulty Levels$0.99
