# Assembly Line! vs Sandy Blocks

The clearest difference is rating: Assembly Line! at 4.2 against Sandy Blocks's 2.6. Assembly Line! also leads on review sentiment (62% vs 26%) and in-app purchases (none vs 13). Sandy Blocks's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Sandy Blocks sells 11 one-off in-app purchases. Assembly Line! asks for nothing beyond the download.

Assembly Line! holds the better App Store score, 4.2 against 2.6. Both are backed by a comparable volume of ratings — 57 and 21 respectively. Written reviews point the same way: 62% of Assembly Line!'s written reviews are positive against 26% of Sandy Blocks's.

Assembly Line! ships an update every 2 months, Sandy Blocks every 3 weeks. The most recent releases landed on August 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Assembly Line! | Sandy Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (57 ratings)](https://appshunter.io/ios/app/assembly-line/id1339770318/reviews)** | [2.6 (21 ratings)](https://appshunter.io/ios/app/sandy-blocks/id6450483763/reviews) |
| Number of ratings | **57** | 21 |
| Positive reviews | **61.7% of reviews** | 26.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 69 MB | 114 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joao Reis](https://appshunter.io/developer/1633456295) | [Synthify Inc](https://appshunter.io/developer/1089257745) |

## What reviewers say

### Assembly Line!

[App page](https://appshunter.io/ios/app/assembly-line/id1339770318)

Build and manage an efficient assembly line to maximize profits. This idle tycoon game features strategic machine placement and resource management. Earn money even when offline and unlock upgrades to become a wealthy industrialist.

**Highlights:** Build and manage assembly lines, Strategic machine placement, Resource crafting and selling, Offline revenue generation, Machine and resource information, Over 50 resources and 18 machines

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Amazing and addictive game
- 👍 Satisfying factory building
- 🤓 Challenging and strategic
- 🎮 Fun and engaging gameplay

**What reviewers complain about**

- 🐛 Bugs with transporters and multi-selector
- 🔧 Some features not working as expected
- 💰 Unbalanced progression and profitability
- 📱 Compatibility issues with iPhone X

**Reported bugs**

- Transporter menu not closing
- Filtered robotic arm not working properly
- Machines resetting after closing the app
- Offline earnings not properly credited

**Requested features**

- Copy and paste functionality
- More blueprints and production options
- Improved offline earnings calculation
- Better UI and number display for high values


### Sandy Blocks

[App page](https://appshunter.io/ios/app/sandy-blocks/id6450483763)

This puzzle game transforms falling blocks into cascading sand. Strategically arrange blocks to connect walls, but watch them disintegrate into sand, altering the landscape and requiring quick thinking. Adapt to the fluid dynamics and fill gaps to score points in this visually stunning challenge.

**Highlights:** Blocks transform into sand, Strategic block arrangement, Dynamic, shifting landscape, Fluid sand dynamics, Score points by forming lines, Adapt to changing terrain

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Skills | $5.99 | one-time |
| 5000 Coin | $5.99 | one-time |
| 30 min Time Boost | $5.99 | one-time |
| Time Boost | $5.99 | one-time |
| Skills | $5.99 | one-time |
| No Ads | $9.99 | one-time |
| Bundle Deal | $14.99 | one-time |
| Bundle Pro | $14.99 | one-time |
| Unlock colors | $19.99 | one-time |
| Unlock Colour and Levels | $19.99 | one-time |
| Bundle Unlimited + No Ads | $49.99 | one-time |


## Frequently asked questions

### Is Assembly Line! free?

Assembly Line! is free to download, with no in-app purchases.

### Is Sandy Blocks free?

Sandy Blocks is free to download, with in-app purchases available.

### Which has better reviews, Assembly Line! or Sandy Blocks?

Assembly Line! is rated higher. Assembly Line! averages 4.2 out of 5 from 57 ratings, while Sandy Blocks averages 2.6 from 21 ratings.

### Do Assembly Line! or Sandy Blocks have ads?

Sandy Blocks shows ads; Assembly Line! does not.

### Which is updated more often, Assembly Line! or Sandy Blocks?

Assembly Line! ships an update every 2 months, and Sandy Blocks every 3 weeks. Most recently, Assembly Line! was updated on August 18, 2026 and Sandy Blocks on September 9, 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.*