# Underlairs vs MELT

The clearest difference is price: Underlairs at Free against MELT's $2.99. MELT's advantage is in-app purchases (none vs 3) and update cadence (daily vs every 3 weeks). On review sentiment, ads, device support and iOS requirement there is nothing between them.

Underlairs is free to download; MELT costs $2.99 up front. Underlairs sells 3 in-app purchases, starting at $0.99 per month. MELT asks for nothing beyond the download.

Underlairs ships an update every 3 weeks, MELT daily. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Underlairs | MELT |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/underlairs-focus-study-timer/id6755931983/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | **Freemium** | Paid |
| Size | 230 MB | 20 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Jang](https://appshunter.io/developer/1857417631) | [MINSUK SONG](https://appshunter.io/developer/6792583326) |

## What reviewers say

### Underlairs

[App page](https://appshunter.io/ios/app/underlairs-focus-study-timer/id6755931983)

Enhance concentration and memory with curated ambient soundscapes and a focus timer. Choose from unique 'Lairs' and track your progress to achieve deep work and productivity goals.

**Highlights:** Focus Timer with customizable durations, Beast Mode for continuous music, Ambient soundscape playlists, Background playback, Lock screen controls, Stats tracking for focus minutes and streaks, Minimalist design

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $9.99 | per year |
| Premium Lifetime Access | $17.99 | one-time |


### MELT

[App page](https://appshunter.io/ios/app/melt/id6799984452)

This minimalist app visualizes focus time as a flow of color, not numbers. Select your focus duration and choose distracting apps to block. A candy-themed screen melts away to show your progress, with automatic re-blocking after temporary access.

**Highlights:** Focus timer with customizable durations, Block distracting apps, categories, and websites, Temporary access with auto-reblocking, Local session history and focus time tracking, Minimalist visual progress indicator, Multi-language support

**In-app purchases:** none


## Frequently asked questions

### Is Underlairs free?

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

### Is MELT free?

MELT costs $2.99, with no in-app purchases.

### Do Underlairs or MELT have ads?

Neither Underlairs nor MELT shows ads.

### Which is updated more often, Underlairs or MELT?

Underlairs ships an update every 3 weeks, and MELT daily. Most recently, Underlairs was updated on September 7, 2026 and MELT on September 17, 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.*