# Stackd vs Hirake

The clearest difference is in-app purchases: Hirake at none against Stackd's 1. Hirake also leads on update cadence (every 3 days vs fortnightly). Stackd's advantage is iOS requirement (18 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Stackd sells 1 one-off in-app purchase. Hirake asks for nothing beyond the download.

Stackd ships an update fortnightly, Hirake every 3 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Stackd | Hirake |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 3 MB | 7 MB |
| Requires iOS | **18** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Nene Nakagawa](https://appshunter.io/developer/1821103094) | [Keisuke Yamashita](https://appshunter.io/developer/1533213506) |

## What reviewers say

### 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 |


### Hirake

[App page](https://appshunter.io/ios/app/hirake/id6774634527)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stackd free?

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

### Is Hirake free?

Hirake is free to download, with no in-app purchases.

### Do Stackd or Hirake have ads?

Neither Stackd nor Hirake shows ads.

### Which is updated more often, Stackd or Hirake?

Stackd ships an update fortnightly, and Hirake every 3 days. Most recently, Stackd was updated on October 1, 2026 and Hirake on October 5, 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.*