# Timing vs Sumbi

The clearest difference is monetization model: Sumbi at free against Timing's free with in-app purchases. Sumbi also leads on review sentiment (100% vs 83%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Timing sells 8 in-app purchases, starting at $5.00 per month and Sumbi sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Timing against 5.0 for Sumbi. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 83% of Timing's written reviews are positive against 100% of Sumbi's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Timing | Sumbi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/timing-grid-time-tracker/id6741106252/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sumbi-study-focus-timer/id6802502926/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 94 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)날다](https://appshunter.io/developer/1817964133) | [나이스데이](https://appshunter.io/developer/1751418356) |

## What reviewers say

### Timing

[App page](https://appshunter.io/ios/app/timing-grid-time-tracker/id6741106252)

This app helps you understand how you spend your time by tracking your activities. It provides insights into your habits and allows you to reflect on your day to reclaim control over your schedule. Designed with mindfulness principles, it offers a gentle approach to time management.

**Highlights:** Effortless timer start/stop, Live Activity for quick tracking, Home screen widgets, Unlimited activity presets, Daily and weekly insights, Visual grid time display, Streak tracking

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timing Pro | $5.00 | per month |
| 타이밍 프로 (기존 유저 혜택) | $7.99 | per year |
| Timing Pro | $19.99 | per year |
| 100 Points | $0.99 | one-time |
| 300 Points | $2.99 | one-time |
| 700 Points | $5.99 | one-time |
| 1500 Points | $9.99 | one-time |
| 3 Months Premium Pass | $12.00 | 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 Timing free?

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

### Is Sumbi free?

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

### Which has better reviews, Timing or Sumbi?

Timing and Sumbi are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Timing or Sumbi have ads?

Neither Timing nor Sumbi shows ads.

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

Timing ships an update weekly, and Sumbi weekly. Most recently, Timing was updated on October 28, 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.*