# Dote Timer vs 챌린지 디데이

The clearest difference is update cadence: 챌린지 디데이 at daily against Dote Timer's every 4 days. Dote Timer's advantage is device support (4 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Dote Timer sells 4 in-app purchases, starting at $5.99 per 3 months and 챌린지 디데이 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dote Timer ships an update every 4 days, 챌린지 디데이 daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dote Timer | 챌린지 디데이 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (36 ratings)](https://appshunter.io/ios/app/dote-timer-time-management/id1571853720/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 87.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Freemium | — |
| Size | 87 MB | 140 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Smartdong School](https://appshunter.io/developer/388666251) | [Moriv](https://appshunter.io/developer/6812431161) |

## What reviewers say

### Dote Timer

[App page](https://appshunter.io/ios/app/dote-timer-time-management/id1571853720)

This app helps you manage your time and boost concentration by using a unique flip timer and detailed statistical analysis. It also includes features for planning, journaling, and collaborative study sessions, with an option to donate earned coins to charity.

**Highlights:** Flip timer for concentration, Time table and planner, Statistical charts and analysis, Donation program, Three lines a day diary, Study group 'Study With', Apple Watch integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 3-month subscription | $5.99 | per 3 months |
| Premium Annual subscription | $8.49 | per year |
| Premium Annual subscription | $9.99 | per year |
| Premium LifeTime Pass | $12.99 | one-time |


### 챌린지 디데이

[App page](https://appshunter.io/ios/app/d-day/id6812431159)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fantasy Sets | $0.49 | one-time |
| Outings & Seasons Sets | $0.99 | one-time |
| Sports Sets | $0.99 | one-time |
| Daily & Hobbies Sets | $1.99 | one-time |
| Animal Sets | $2.99 | one-time |
| Full Bundle | $4.99 | one-time |


## Frequently asked questions

### Is Dote Timer free?

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

### Is 챌린지 디데이 free?

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

### Do Dote Timer or 챌린지 디데이 have ads?

Neither Dote Timer nor 챌린지 디데이 shows ads.

### Which is updated more often, Dote Timer or 챌린지 디데이?

Dote Timer ships an update every 4 days, and 챌린지 디데이 daily. Most recently, Dote Timer was updated on November 3, 2026 and 챌린지 디데이 on October 31, 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.*