Reef Defender vs Jump'em All
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Reef Defender
Explore the connection between land and sea through an engaging game inspired by ancient Hawaiian stewardship practices. Play as a shark and learn how actions on land impact the ocean ecosystem.
- Learn land-sea connection
- Ancient Hawaiian stewardship concepts
- Play as a shark
- Educational gameplay
- Ocean ecosystem focus
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The ancient Hawaiians knew that what happens on land affects the ocean, so they used a system of land and sea stewardship involving the entire ahupua’a (watershed) from land to sea. You can learn about the connection of land and sea by playing the game Reef Defender. The good guy in Reef Defender is the shark.
Jump'em All
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Run and jump through original and colorful levels, cross the finishing line overcoming obstacles and pitfalls. Just a touch to jump but you must do that at the right time, it takes timing, concentration, rhythm. Game features: • before you go crazy in the HARD mode, try the EASY one or the MEDIUM one • 3 levels 90 seconds long • 6 short games 30 seconds long • customize the colors and appearance of the character • in some games there are two characters, so either you have superhuman abilities or you'll have to be in two • unlocks others 7 + 15 levels with the IN-APP purchase
Screenshots
Verdict
The clearest difference is in-app purchases: Reef Defender at none against Jump'em All's 1. Jump'em All's advantage is update cadence (every 6 months vs every 54 months) and device support (3 vs 1). On price, ads and iOS requirement 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. Jump'em All sells 1 one-off in-app purchase. Reef Defender asks for nothing beyond the download.
Reef Defender ships an update every 54 months, Jump'em All every 6 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | Reef Defender | Jump'em All |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 54 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 16 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | State of Hawaii | Marco Locatelli |
In-app purchases
Reef Defender
No in-app purchases
Jump'em All
- new Levels Pack1$0.99
Questions
Is Reef Defender free?
Is Jump'em All free?
Do Reef Defender or Jump'em All have ads?
Which is updated more often, Reef Defender or Jump'em All?
Other comparisons
