# 99캘린더 vs Projects Timer

The clearest difference is price: 99캘린더 at $1.99 against Projects Timer's $19.99. 99캘린더 also leads on update cadence (every 4 days vs fortnightly). Projects Timer's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

99캘린더 costs $1.99 and Projects Timer $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

99캘린더 ships an update every 4 days, Projects Timer fortnightly. The most recent releases landed on September 12, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 99캘린더 | Projects Timer |
| --- | --- | --- |
| Price | **$1.99** | $19.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 5 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [HWAN LEE](https://appshunter.io/developer/1867174500) | [Vladyslav Oleksenko](https://appshunter.io/developer/1839144885) |

## What reviewers say

### 99캘린더

[App page](https://appshunter.io/ios/app/99/id6760467468)

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

**In-app purchases:** none


### Projects Timer

[App page](https://appshunter.io/ios/app/projects-timer/id6785089676)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 99캘린더 free?

99캘린더 costs $1.99, with no in-app purchases.

### Is Projects Timer free?

Projects Timer costs $19.99, with no in-app purchases.

### Do 99캘린더 or Projects Timer have ads?

Neither 99캘린더 nor Projects Timer shows ads.

### Which is updated more often, 99캘린더 or Projects Timer?

99캘린더 ships an update every 4 days, and Projects Timer fortnightly. Most recently, 99캘린더 was updated on September 12, 2026 and Projects Timer on September 25, 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.*