Jamjam! vs Katana Blitz
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Jamjam!
Master precision jumping as a bouncy jelly character through challenging levels. Collect items, customize your character, and defeat bosses to advance. This game offers a refreshing blend of fun and skillful platforming action.
- Precision jumping mechanics
- Challenging obstacle-filled levels
- Coin and star collection for perfect scores
- Cosmetic character upgrades
- Boss levels with exclusive rewards
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Bounce your way to victory? Download “Jamjam!” now and start your adventure today! Experience the thrilling blend of classic platforming action and the challenging precision. In Jamjam!, you control a delightful character—a squishy, bouncy square of jelly. Master the art of flicking your jelly hero across intricate levels filled with diverse obstacles, ensuring every jump is perfectly timed and aimed. Gameplay Features: * Precision Jumping: Point, drag, and observe the trajectory to make your jelly character leap across platforms. Each stage offers a limited number of jumps, so precision is key! * Challenging Levels: Navigate through stages packed with obstacles that test your timing and skill. Every level offers a unique challenge and an opportunity to prove your mastery. * Collect and Perfect: Gather all the coins and stars scattered across each level to achieve a perfect score. Can you complete every stage flawlessly? * Cosmetic Upgrades: Unlock a variety of cosmetic items like skins, bandanas, and trails. Customize your jelly character to show off your unique style! * Boss Levels and Rewards: Special boss level at the end of each world. Conquer them to earn exclusive rewards and advance to new, exciting worlds. Why You'll Love Jamjam!: Jamjam! brings a refreshing take on platformers, blending fun and skillful gameplay with a charming character that you'll love to control. The game's intuitive aim-to-jump mechanics make it easy to learn but challenging to master. With every level and world, you'll find yourself more engrossed in this delightful and dynamic jelly-filled adventure.
Katana Blitz
Engage in samurai combat, slicing bamboos and battling slimes. Unlock a shop to acquire new katanas and discover legendary weapons. Evolve your samurai through this action-packed adventure.
- Slice bamboos
- Battle slimes
- Unlock katana shop
- Obtain new katanas
- Find legendary katanas
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- Slice bamboos and evolve your samurai! - Watch out for slimes, they attack! - Unlock katana shop and obtain new katanas! - Find hidden legendary katana!
Screenshots
Verdict
The clearest difference is rating: Jamjam! at 4.7 against Katana Blitz's 1.0. Jamjam! also leads on review sentiment (25% vs 0%) and ratings volume (113 vs 1). Katana Blitz's advantage is in-app purchases (none vs 7) and update cadence (every 2 days vs monthly). On price, 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. Jamjam! sells 7 one-off in-app purchases. Katana Blitz asks for nothing beyond the download.
Jamjam! holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Jamjam! has 113 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of Jamjam!'s written reviews are positive against 0% of Katana Blitz's.
Jamjam! ships an update monthly, Katana Blitz every 2 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | Jamjam! | Katana Blitz |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (113 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 25.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 113 — better | 1 |
| Update frequency | Monthly | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 116 MB |
| Age rating | 4+ | 12+ |
| Developer | One up games | Any Games OU |
Customer experience
Jamjam!
Katana Blitz
In-app purchases
Jamjam!
- Special Bandana - Pink$0.99
- Special Bandana - White$0.99
- Box skin UPGRADE 1$0.99
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- Box skin UPGRADE 2$0.99
- Box skin UPGRADE 3$0.99
- Box skin UPGRADE 4$0.99
- New Skin - BOX$1.99
Katana Blitz
No in-app purchases









