# DoughLab vs Sumbi

The clearest difference is ads: Sumbi at none against DoughLab's shown. DoughLab's advantage is update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. DoughLab sells 4 one-off in-app purchases and Sumbi sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

DoughLab ships an update every 3 days, Sumbi weekly. Both last shipped on October 29, 2026.

## The numbers

| Metric | DoughLab | Sumbi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumbi-study-focus-timer/id6802502926/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free |
| Size | 110 MB | 94 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jeong-soo Park](https://appshunter.io/developer/1248341387) | [나이스데이](https://appshunter.io/developer/1751418356) |

## What reviewers say

### DoughLab

[App page](https://appshunter.io/ios/app/doughlab-baking-recipe-lab/id6781079793)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Mix Coffee | $0.49 | one-time |
| An Americano | $1.99 | one-time |
| A Vanilla Latte | $2.99 | one-time |
| Remove Ads | $6.99 | one-time |


### Sumbi

[App page](https://appshunter.io/ios/app/sumbi-study-focus-timer/id6802502926)

This app encourages users to spend less time on their phones by gamifying digital detox. Users engage in timed "dives" away from their devices, earning virtual sea creatures based on their focus duration. It offers a peaceful, non-punitive approach to building healthier digital habits.

**Highlights:** Timed phone-free dives, Unlock virtual sea creatures, Personalized ocean environment, Buddy dive feature, Night sea creatures, Diary-like dive log

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shallow Sea Creature | $0.99 | one-time |
| Deep Sea Creature | $1.99 | one-time |
| Abyssal Creature | $2.99 | one-time |


## Frequently asked questions

### Is DoughLab free?

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

### Is Sumbi free?

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

### Do DoughLab or Sumbi have ads?

DoughLab shows ads; Sumbi does not.

### Which is updated more often, DoughLab or Sumbi?

DoughLab ships an update every 3 days, and Sumbi weekly. Most recently, DoughLab was updated on October 29, 2026 and Sumbi on October 29, 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.*