# Block Jam vs Screw Jam

The clearest difference is ads: Screw Jam at none against Block Jam's shown. Screw Jam also leads on update cadence (weekly vs fortnightly). Block Jam's advantage is review sentiment (35% vs 26%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Block Jam sells 16 one-off in-app purchases and Screw Jam sells 18 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Block Jam against 4.6 for Screw Jam. Both are backed by a comparable volume of ratings — 69K and 49K respectively. Written reviews are what separate them: 35% of Block Jam's written reviews are positive against 26% of Screw Jam's.

Block Jam ships an update fortnightly, Screw Jam weekly. Both last shipped on October 29, 2026.

## The numbers

| Metric | Block Jam | Screw Jam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (69K ratings)](https://appshunter.io/ios/app/block-jam-3d-block-puzzle/id1618805694/reviews)** | [4.6 (49K ratings)](https://appshunter.io/ios/app/screw-jam/id6471490579/reviews) |
| Number of ratings | **69K** | 49K |
| Positive reviews | **35.4% of reviews** | 26.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#81** | #128 |
| Size | 459 MB | 556 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Rollic Games](https://appshunter.io/developer/1452111779) |

## What reviewers say

### Block Jam

[App page](https://appshunter.io/ios/app/block-jam-3d-block-puzzle/id1618805694)

**Currently charting:** #81 Top Grossing · Board (US App Store)

This is a relaxing match-3 puzzle game with a unique twist. It features clever mechanics, fun challenges, and charming characters. Play offline, use boosters, and compete in leagues to unlock rewards and build themed worlds.

**Highlights:** Match-3 with a twist, Tray-based gameplay, Clever mechanics and boosters, Offline play, Weekly leagues and leaderboards, Themed worlds and dioramas, Rotating live events

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coins | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Mini Offer | $2.99 | one-time |
| Super Spin | $2.99 | one-time |
| Small Coins Pack | $2.99 | one-time |
| Piggy Bank | $4.99 | one-time |
| Hard Level Offer | $4.99 | one-time |
| Small Coins Pack | $4.99 | one-time |
| Medium Coins | $7.99 | one-time |
| Special Offer | $9.99 | one-time |
| Premium Block Pass | $9.99 | one-time |
| Medium Offer | $9.99 | one-time |
| Large Coins | $14.99 | one-time |
| Large Offer | $19.99 | one-time |
| X-Large Coins | $29.99 | one-time |
| 2X-Large Coins | $54.99 | one-time |

**What reviewers like**

- 🎨 Vibrant colors and cute characters
- 🧠 Challenging and engaging gameplay
- 🕹️ Relaxing and addictive time-killer
- 🎉 Fun and rewarding experience

**What reviewers complain about**

- 🔍 Levels can feel too luck-based
- 💰 Monetization model feels too aggressive
- ⌚ Long wait times to replenish lives
- 🐛 Frequent crashes and glitches
- 🔋 Drains device battery quickly

**Reported bugs**

- Coins disappearing randomly
- Progress and league rankings resetting unexpectedly
- Infinite lives bonus not working as intended
- Ads getting stuck or not loading properly

**Requested features**

- Option to skip difficult levels
- Ability to earn more coins through gameplay
- Shorter wait times for life regeneration
- More interactive and customizable islands


### Screw Jam

[App page](https://appshunter.io/ios/app/screw-jam/id6471490579)

**Currently charting:** #128 Top Grossing · Board (US App Store)

Engage in a logic-based puzzle game where you unscrew and sort colorful screws, pins, and nuts. Navigate hundreds of unique levels with increasing complexity, utilizing custom tools and overcoming obstacle courses to achieve puzzle mastery.

**Highlights:** Unscrew and sort colorful screws, pins, and nuts, Hundreds of unique logic puzzle levels, Custom screw tools for harder puzzles, Multilayered puzzles with correct removal sequences, Obstacle course levels with shifting mechanics, Endless puzzle mode for continuous play, Daily challenges with special rewards

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer | $0.99 | one-time |
| Coin 1 | $1.99 | one-time |
| Coin 2 | $4.99 | one-time |
| Hard Level Offer | $4.99 | one-time |
| Fail Offer | $4.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Gold Pass | $7.99 | one-time |
| Coin 2 | $7.99 | one-time |
| Burger Fest Step | $7.99 | one-time |
| 4th of July Offer | $7.99 | one-time |
| No Ads Bundle | $9.99 | one-time |
| Infinite Life 1 | $9.99 | one-time |
| Gold Pass | $9.99 | one-time |
| No Ads Bundle | $11.99 | one-time |
| Coin 3 | $14.99 | one-time |
| Infinite Life 2 | $19.99 | one-time |
| Coin 4 | $24.99 | one-time |
| Infinite Life 3 | $29.99 | one-time |

**What reviewers like**

- 🚀 Challenging and fun
- 🕰️ Relaxing gameplay
- ⭐ Great concept
- 👍 Enjoyable for a while

**What reviewers complain about**

- 💰 Pay-to-win mechanics
- 🔍 Impossible levels
- 🔁 Repetitive levels
- 🎨 Hard to distinguish colors
- 🔋 Drains battery

**Reported bugs**

- Level 121 cannot be completed
- Level 237 cannot be completed
- Incorrect screw types on certain levels
- Crashes and freezes
- Inability to report issues

**Requested features**

- Colorblind mode
- Ability to use all 5 screw holes
- More ways to earn coins
- Option to skip timed levels
- Sound effects and music


## Frequently asked questions

### Is Block Jam free?

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

### Is Screw Jam free?

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

### Which has better reviews, Block Jam or Screw Jam?

Block Jam is rated higher. Block Jam averages 4.7 out of 5 from 69K ratings, while Screw Jam averages 4.6 from 49K ratings.

### Do Block Jam or Screw Jam have ads?

Block Jam shows ads; Screw Jam does not.

### Which is updated more often, Block Jam or Screw Jam?

Block Jam ships an update fortnightly, and Screw Jam weekly. Most recently, Block Jam was updated on October 29, 2026 and Screw Jam on October 29, 2026.

### Which is more popular, Block Jam or Screw Jam?

Block Jam currently peaks at #81 in the App Store charts, and Screw Jam at #128. Chart position reflects recent download velocity rather than total install base.

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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.*