# Jamjam! vs Katana Blitz

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.

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.

## The numbers

| Metric | Jamjam! | Katana Blitz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (113 ratings)](https://appshunter.io/ios/app/jamjam/id1443452970/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/katana-blitz/id6497950904/reviews) |
| Number of ratings | **113** | 1 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 70 MB | 116 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [One up games](https://appshunter.io/developer/1595343462) | [Any Games OU](https://appshunter.io/developer/1513586172) |

## What reviewers say

### Jamjam!

[App page](https://appshunter.io/ios/app/jamjam/id1443452970)

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.

**Highlights:** Precision jumping mechanics, Challenging obstacle-filled levels, Coin and star collection for perfect scores, Cosmetic character upgrades, Boss levels with exclusive rewards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Bandana - Pink | $0.99 | one-time |
| Special Bandana - White | $0.99 | one-time |
| Box skin UPGRADE 1 | $0.99 | one-time |
| Box skin UPGRADE 2 | $0.99 | one-time |
| Box skin UPGRADE 3 | $0.99 | one-time |
| Box skin UPGRADE 4 | $0.99 | one-time |
| New Skin - BOX | $1.99 | one-time |


### Katana Blitz

[App page](https://appshunter.io/ios/app/katana-blitz/id6497950904)

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.

**Highlights:** Slice bamboos, Battle slimes, Unlock katana shop, Obtain new katanas, Find legendary katanas

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jamjam! free?

Jamjam! is free to download, with in-app purchases available.

### Is Katana Blitz free?

Katana Blitz is free to download, with no in-app purchases.

### Which has better reviews, Jamjam! or Katana Blitz?

Jamjam! is rated higher. Jamjam! averages 4.7 out of 5 from 113 ratings, while Katana Blitz averages 1.0 from 1 ratings.

### Do Jamjam! or Katana Blitz have ads?

Both Jamjam! and Katana Blitz show ads.

### Which is updated more often, Jamjam! or Katana Blitz?

Jamjam! ships an update monthly, and Katana Blitz every 2 days. Most recently, Jamjam! was updated on November 2, 2026 and Katana Blitz on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*