# pomodoro+asmr vs Underlairs

The clearest difference is in-app purchases: pomodoro+asmr at none against Underlairs's 3. pomodoro+asmr also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (12.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Underlairs sells 3 in-app purchases, starting at $0.99 per month. pomodoro+asmr asks for nothing beyond the download.

pomodoro+asmr ships an update every 5 days, Underlairs every 3 weeks. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | pomodoro+asmr | Underlairs |
| --- | --- | --- |
| Price | Free | Free |
| 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 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 42 MB | 230 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SangJin Lee](https://appshunter.io/developer/1291648811) | [John Jang](https://appshunter.io/developer/1857417631) |

## What reviewers say

### pomodoro+asmr

[App page](https://appshunter.io/ios/app/pomodoro-plus-asmr/id1661412132)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is pomodoro+asmr free?

pomodoro+asmr is free to download, with no in-app purchases.

### Is Underlairs free?

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

### Do pomodoro+asmr or Underlairs have ads?

Neither pomodoro+asmr nor Underlairs shows ads.

### Which is updated more often, pomodoro+asmr or Underlairs?

pomodoro+asmr ships an update every 5 days, and Underlairs every 3 weeks. Most recently, pomodoro+asmr was updated on September 10, 2026 and Underlairs on September 7, 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.*