# Block Blast vs Thread Jam

The clearest difference is review sentiment: Block Blast at 100% against Thread Jam's 52%. Block Blast also leads on ads (none vs shown) and update cadence (every 3 days vs every 5 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Block Blast sells 9 one-off in-app purchases and Thread Jam sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Block Blast ships an update every 3 days, Thread Jam every 5 weeks. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Block Blast | Thread Jam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (12K ratings)](https://appshunter.io/ios/app/thread-jam-untangle-3d-ropes/id6736898352/reviews)** |
| Number of ratings | — | **12K** |
| Positive reviews | **100.0% of reviews** | 52.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 234 MB | 447 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [5game studio joint stock company](https://appshunter.io/developer/1728637763) | [SayGames LTD](https://appshunter.io/developer/1551847165) |

## What reviewers say

### Block Blast

[App page](https://appshunter.io/ios/app/block-blast-tower-defense/id6670738790)

Build strategic maze-like defenses using puzzle pieces to guide zombies through deadly traps and powerful towers. Survive endless waves of undead in this action-packed tower defense game that combines classic TD mechanics with a unique puzzle twist.

**Highlights:** Puzzle-style defense building, Maze-like trap construction, Zombie wave survival, Tower upgrades and abilities, Challenging levels, Strategy and puzzle combination

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack 01 | $1.99 | one-time |
| Stamina Package 01 | $1.99 | one-time |
| Diamonds Package 01 | $1.99 | one-time |
| Remove Ads Package | $2.99 | one-time |
| Diamonds Package 02 | $5.99 | one-time |
| Diamonds Package 03 | $9.99 | one-time |
| Stamina Package 02 | $10.99 | one-time |
| Straterpack1 | $12.99 | one-time |
| Stamina Package 03 | $19.99 | one-time |


### Thread Jam

[App page](https://appshunter.io/ios/app/thread-jam-untangle-3d-ropes/id6736898352)

Untangle colorful threads by matching them to their respective areas on fabric. Solve intricate knot puzzles to create beautiful embroidered pictures. Enjoy a relaxing and creative experience with no timers or pressure.

**Highlights:** Untangle 3D rope knots, Match colorful threads, Create embroidered pictures, Solve intricate puzzles, Relaxing gameplay, Creative art creation

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Mini Coins | $1.99 | one-time |
| Progression Offer 2 | $1.99 | one-time |
| Piggy Bank | $4.99 | one-time |
| Hard Level Offer | $4.99 | one-time |
| Second Chance Offer | $4.99 | one-time |
| Medium Coins | $7.99 | one-time |
| Medium Pack | $9.99 | one-time |
| Big Coins | $14.99 | one-time |
| Large Pack | $19.99 | one-time |
| Huge Coins | $29.99 | one-time |
| Giant Pack | $39.99 | one-time |
| Massive Coins | $49.99 | one-time |

**What reviewers like**

- 👍 Fun and relaxing game
- 🎨 Beautiful artwork and pictures
- ⏱️ Fast lives restoration

**What reviewers complain about**

- 💰 Difficult to progress without spending money
- 🔀 Repetitive levels and pictures
- 🤔 Lack of skill involved

**Reported bugs**

- Certain levels impossible to beat without paying
- Accidental power-up purchases due to poor UI placement

**Requested features**

- Gallery to view completed pictures
- More variety in levels and pictures


## Frequently asked questions

### Is Block Blast free?

Block Blast is free to download, with in-app purchases available.

### Is Thread Jam free?

Thread Jam is free to download, with in-app purchases available.

### Do Block Blast or Thread Jam have ads?

Thread Jam shows ads; Block Blast does not.

### Which is updated more often, Block Blast or Thread Jam?

Block Blast ships an update every 3 days, and Thread Jam every 5 weeks. Most recently, Block Blast was updated on October 11, 2026 and Thread Jam on October 27, 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.*