# Rocket Merger vs Melt and Fill

The clearest difference is rating: Melt and Fill at 4.4 against Rocket Merger's 3.6. Melt and Fill also leads on review sentiment (27% vs 0%) and ratings volume (615 vs 5). Rocket Merger's advantage is ads (none vs shown) and iOS requirement (9.0 vs 13.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Rocket Merger sells 7 one-off in-app purchases and Melt and Fill sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Melt and Fill holds the better App Store score, 4.4 against 3.6. That said, the two scores are not equally well evidenced: Melt and Fill has 615 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Rocket Merger's written reviews are positive against 27% of Melt and Fill's.

Rocket Merger ships an update every 5 weeks, Melt and Fill monthly. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Rocket Merger | Melt and Fill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/rocket-merger/id1440168304/reviews) | **[4.4 (615 ratings)](https://appshunter.io/ios/app/melt-and-fill/id6465749961/reviews)** |
| Number of ratings | 5 | **615** |
| Positive reviews | 0.0% of reviews | **26.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 195 MB | 274 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [JoyBits Co Ltd.](https://appshunter.io/developer/375374774) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### Rocket Merger

[App page](https://appshunter.io/ios/app/rocket-merger/id1440168304)

Combine rockets to create more powerful ones and destroy a target mansion. Swipe to merge rockets, increasing their power until you can obliterate your objective with a massive explosion.

**Highlights:** Merge rockets to create stronger ones, Destroy a target mansion, Satisfying explosions, Simple swipe-to-merge gameplay, Progressive rocket power-ups

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heap of Crystals | $0.99 | one-time |
| No ads | $1.99 | one-time |
| Box of Crystals | $4.99 | one-time |
| Barrel of Crystals | $9.99 | one-time |
| Rocket of Crystals | $19.99 | one-time |
| Vault of Crystals | $49.99 | one-time |
| Deposit of Crystals | $99.99 | one-time |


### Melt and Fill

[App page](https://appshunter.io/ios/app/melt-and-fill/id6465749961)

Engage in a satisfying melting and filling experience. Slice, cook, and chop various items to fill bottles and earn in-game profit. Upgrade your equipment to melt faster and unlock new substances.

**Highlights:** Melt various items, Slice, cook, and chop ingredients, Fill bottles for profit, Upgrade melting machine, Upgrade bottles, Unlock new substances

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Sell | $0.99 | one-time |
| Speed Booster | $0.99 | one-time |
| Auto Add | $0.99 | one-time |
| Auto Tap | $0.99 | one-time |
| Coins Small Amount | $1.99 | one-time |
| Coins Medium Amount | $3.99 | one-time |
| Coins High Amount | $6.99 | one-time |
| Starter Pack | $6.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Starter Pack | $9.99 | one-time |

**What reviewers like**

- 🎮 Satisfying gameplay
- 🕰️ Good time-waster
- 🎨 Visually appealing

**What reviewers complain about**

- 🐛 Frequent glitches and bugs
- 💰 Inconsistent pricing
- 📺 Excessive ads
- 🔄 Progress resets on app close

**Reported bugs**

- Stuck/missing objects
- Knife/tool malfunctions
- Pricing issues after app close

**Requested features**

- More level variety
- Improved save/load functionality
- Better ad management


## Frequently asked questions

### Is Rocket Merger free?

Rocket Merger is free to download, with in-app purchases available.

### Is Melt and Fill free?

Melt and Fill is free to download, with in-app purchases available.

### Which has better reviews, Rocket Merger or Melt and Fill?

Melt and Fill is rated higher. Rocket Merger averages 3.6 out of 5 from 5 ratings, while Melt and Fill averages 4.4 from 615 ratings.

### Do Rocket Merger or Melt and Fill have ads?

Melt and Fill shows ads; Rocket Merger does not.

### Which is updated more often, Rocket Merger or Melt and Fill?

Rocket Merger ships an update every 5 weeks, and Melt and Fill monthly. Most recently, Rocket Merger was updated on November 4, 2026 and Melt and Fill on November 3, 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.*