GRIDFALL vs Ocean Defense TD
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
GRIDFALL
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The blackout took everything. You are the last netrunner with the last spark of electricity. Reconnect the grid one signal at a time in a premium logic puzzle game designed for relaxation, flow, and clean thinking. ‣ No distractions. Just puzzles. ‣ No ads ‣ No time gating Only smart, rewarding puzzle gameplay. ■ FEATURES ‣ 90+ handcrafted puzzle levels across cinematic chapters ‣ Daily Signal – one global brain puzzle each day with leaderboards ‣ Endless Mode – escalating, roguelite-style logic runs with leaderboards ‣ Community Hub – create, play, and share custom levels on the hub or on socials ‣ Minimalist neon visuals with customizable themes ‣ Fully offline playable ‣ Designed for that “one more level” feeling. ■ FREE TO START Play the opening campaign levels and the daily signal for free. Unlock the full version to access the complete GRIDFALL experience. Restore the signal. Rebuild the world. ■ Welcome to GRIDFALL.
Ocean Defense TD
Defend your underwater coral reef from waves of human invaders in this fast-paced tower defense game. Deploy fish soldiers, strategically choose powerful upgrades each run, and unlock permanent enhancements to survive endless enemy assaults.
- Survive endless enemy waves
- Choose powerful run upgrades
- Unlock permanent upgrades
- Earn rewards and improve defenses
- Deep strategy with simple controls
- Fast-paced gameplay
- Switch between auto-fire and click-to-fire
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Ocean Defense: Protect the Coral Reef Defend your coral reef from relentless human invaders in this fast-paced tower defense game set beneath the ocean. Waves of enemies approach from every direction, growing stronger and more dangerous as the battle continues. Your coral guardian deploys fish soldiers automatically, but survival depends on the upgrades you choose and the strategy you build. Every run offers new upgrade cards that can completely change your abilities. Stack powerful effects, create devastating combinations, and push deeper into the endless waves. Defeat enemies to earn shells and unlock permanent upgrades that make your reef stronger for future runs. With each attempt you’ll discover new strategies and reach higher waves. How long can your reef survive? Features • Survive endless waves of enemies • Choose powerful upgrades each run • Unlock permanent upgrades between runs • Earn rewards and improve your defenses • Simple controls with deep strategy • Fast-paced tower defense gameplay • Switch between auto-fire mode and click-to-fire mode Protect the ocean floor and defend your coral reef.
Screenshots
Verdict
The clearest difference is in-app purchases: Ocean Defense TD at none against GRIDFALL's 1. Ocean Defense TD also leads on update cadence (daily vs every 2 weeks) and device support (3 vs 1). GRIDFALL's advantage is ads (none vs shown). On price 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. GRIDFALL sells 1 one-off in-app purchase. Ocean Defense TD asks for nothing beyond the download.
GRIDFALL ships an update every 2 weeks, Ocean Defense TD daily. The most recent releases landed on September 10, 2026 and June 11, 2026 respectively.
| Parameter | GRIDFALL | Ocean Defense TD |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | — | Ad-supported |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 99 MB |
| Age rating | 9+ | 12+ |
| Developer | Mirhat Rama | MARK GABRIEL VAN DER POEL |
In-app purchases
GRIDFALL
- Full Version$3.99
Ocean Defense TD
No in-app purchases





