# Just Blast Blocks vs Molten Spheres

The clearest difference is in-app purchases: Molten Spheres at none against Just Blast Blocks's 15. Molten Spheres also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Just Blast Blocks sells 15 one-off in-app purchases. Molten Spheres asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Just Blast Blocks | Molten Spheres |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/just-blast-blocks/id6743026237/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 287 MB | 59 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Just Blast Games](https://appshunter.io/developer/1800917265) | [TachSoft](https://appshunter.io/developer/1858328450) |

## What reviewers say

### Just Blast Blocks

[App page](https://appshunter.io/ios/app/just-blast-blocks/id6743026237)

Embark on a cinematic puzzle adventure where clearing blocks unlocks Cube's mysterious story. Explore diverse locations, solve over 550 handcrafted levels, and uncover fragments of the past. Enjoy both relaxing endless play and an engaging chapter-by-chapter narrative.

**Highlights:** Cinematic puzzle adventure, Over 550 handcrafted levels, Classic and Adventure modes, Offline play, Daily rewards and weekly challenges, Story progression

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quest Pack | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Continue Pack | $1.99 | one-time |
| Coins Packs 1 | $1.99 | one-time |
| Limited Offer | $1.99 | one-time |
| Timed Offer | $4.99 | one-time |
| Coins Packs 2 | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Small Bundle | $9.99 | one-time |
| Coins Pack 3 | $14.99 | one-time |
| Medium Bundle | $19.99 | one-time |
| Coins Pack 4 | $29.99 | one-time |
| Large Bundle | $29.99 | one-time |
| Coin Pack 5 | $49.99 | one-time |
| Coins Packs 6 | $99.99 | one-time |


### Molten Spheres

[App page](https://appshunter.io/ios/app/molten-spheres/id6786272260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Just Blast Blocks free?

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

### Is Molten Spheres free?

Molten Spheres is free to download, with no in-app purchases.

### Do Just Blast Blocks or Molten Spheres have ads?

Just Blast Blocks shows ads; Molten Spheres does not.

### Which is updated more often, Just Blast Blocks or Molten Spheres?

Just Blast Blocks ships an update fortnightly, and Molten Spheres fortnightly. Most recently, Just Blast Blocks was updated on October 24, 2026 and Molten Spheres on October 28, 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.*