# Gokaku Log vs Stackd

The clearest difference is ads: Stackd at none against Gokaku Log's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Gokaku Log sells 1 in-app purchase, starting at $9.99 per year and Stackd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Gokaku Log ships an update every 3 weeks, Stackd fortnightly. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Gokaku Log | Stackd |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 3 MB |
| Requires iOS | **17.0** | 18 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kizuna yoshihara](https://appshunter.io/developer/1807732321) | [Nene Nakagawa](https://appshunter.io/developer/1821103094) |

## What reviewers say

### Gokaku Log

[App page](https://appshunter.io/ios/app/gokaku-log-study-timer/id6757664927)

This app helps you track study time for certification exams. It features a Pomodoro-ready timer, automatic progress visualization, and exam countdowns. Designed for busy individuals, it supports various exams and helps you stay motivated towards your goals.

**Highlights:** Study timer with Pomodoro support, Automatic study time visualization, Exam date countdown, Subject and material registration, Goal management and progress tracking, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除（年払い） | $9.99 | per year |


### 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 Gokaku Log free?

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

### Is Stackd free?

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

### Do Gokaku Log or Stackd have ads?

Gokaku Log shows ads; Stackd does not.

### Which is updated more often, Gokaku Log or Stackd?

Gokaku Log ships an update every 3 weeks, and Stackd fortnightly. Most recently, Gokaku Log was updated on September 24, 2026 and Stackd on September 14, 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.*