# 試験日カウントダウン vs Stackd

The clearest difference is ads: Stackd at none against 試験日カウントダウン's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 試験日カウントダウン sells 2 in-app purchases, starting at $0.99 per month and Stackd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

試験日カウントダウン ships an update every 10 days, Stackd fortnightly. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 試験日カウントダウン | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 3 MB |
| Requires iOS | 18.0 | 18 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [towa imamoto](https://appshunter.io/developer/1869206632) | [Nene Nakagawa](https://appshunter.io/developer/1821103094) |

## What reviewers say

### 試験日カウントダウン

[App page](https://appshunter.io/ios/app/id6757892875)

Track upcoming exams and record study time to boost focus and motivation. Visualize your progress with daily study logs and motivational quotes. Upgrade for unlimited tracking and ad-free experience.

**Highlights:** Exam countdown timer, Daily study time recording, Progress graphs, Motivational quotes, Home screen widgets, Multiple exam tracking (premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $0.99 | per month |
| プレミアム（買い切り） | $11.99 | one-time |


### Stackd

[App page](https://appshunter.io/ios/app/stackd-study-timer-and-tracker/id6761293821)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackd Pro | $1.99 | one-time |


## Frequently asked questions

### Is 試験日カウントダウン free?

試験日カウントダウン is free to download, with in-app purchases available.

### Is Stackd free?

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

### Do 試験日カウントダウン or Stackd have ads?

試験日カウントダウン shows ads; Stackd does not.

### Which is updated more often, 試験日カウントダウン or Stackd?

試験日カウントダウン ships an update every 10 days, and Stackd fortnightly. Most recently, 試験日カウントダウン was updated on September 30, 2026 and Stackd on October 1, 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.*