# Melt and Fill vs HYDRA

The clearest difference is price: Melt and Fill at Free against HYDRA's $0.29. Melt and Fill also leads on ratings volume (616 vs 1) and device support (3 vs 1). HYDRA's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 10).

Melt and Fill is free to download; HYDRA costs $0.29 up front. Melt and Fill sells 10 one-off in-app purchases. HYDRA asks for nothing beyond the download.

HYDRA holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Melt and Fill has 616 ratings behind it against 1, so its average is the more settled of the two.

Melt and Fill ships an update monthly, HYDRA every 5 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Melt and Fill | HYDRA |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| Rating | [4.4 (616 ratings)](https://appshunter.io/ios/app/melt-and-fill/id6465749961/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydra-4/id6801179923/reviews)** |
| Number of ratings | **616** | 1 |
| Positive reviews | 26.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 274 MB | 36 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Sunspear Software LLC](https://appshunter.io/developer/1478643604) |

## What reviewers say

### 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


### HYDRA

[App page](https://appshunter.io/ios/app/hydra-4/id6801179923)

Experience a text-based horror adventure set on a deep-sea drilling station. Make choices that impact the narrative, with consequences clearly displayed before each action. Uncover the station's secrets across multiple playthroughs.

**Highlights:** Text-based horror gameplay, Branching narrative with multiple endings, Consequence-driven choices, Persistent world that remembers past playthroughs, Integrated ARGUS log descriptions, Multi-language support

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

**In-app purchases:** none


## Frequently asked questions

### Is Melt and Fill free?

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

### Is HYDRA free?

HYDRA costs $0.29, with no in-app purchases.

### Which has better reviews, Melt and Fill or HYDRA?

HYDRA is rated higher. Melt and Fill averages 4.4 out of 5 from 616 ratings, while HYDRA averages 5.0 from 1 ratings.

### Do Melt and Fill or HYDRA have ads?

Melt and Fill shows ads; HYDRA does not.

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

Melt and Fill ships an update monthly, and HYDRA every 5 days. Most recently, Melt and Fill was updated on November 7, 2026 and HYDRA on November 6, 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.*