# Hierarchical To vs ClipStack

The clearest difference is update cadence: ClipStack at every 2 days against Hierarchical To's every 2 months. Hierarchical To's advantage is iOS requirement (12.0 vs 18.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Hierarchical To sells 1 one-off in-app purchase and ClipStack sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Hierarchical To ships an update every 2 months, ClipStack every 2 days. The most recent releases landed on June 10, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Hierarchical To | ClipStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hierarchical-to-do-list/id1577074645/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 14 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuuki Shimizu](https://appshunter.io/developer/1533588016) | [Hiroyuki Sonozuka](https://appshunter.io/developer/1528423565) |

## What reviewers say

### Hierarchical To

[App page](https://appshunter.io/ios/app/hierarchical-to-do-list/id1577074645)

Organize complex projects with infinitely layered tasks. View all parent, child, and grandchild tasks at a glance without multiple taps. Collapse or expand task branches for clarity and utilize repeat functions for recurring to-dos.

**Highlights:** Infinite task layering, Collapse/expand task branches, View all task levels at once, Today's To-do List, Task repeat function, Task move and copy, Completion history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### ClipStack

[App page](https://appshunter.io/ios/app/clipstack-save-and-reuse-text/id6745993701)

This utility app saves copied text for later reuse, preventing you from losing important information. It offers features like quick recopying, pinning favorites, and organizing snippets into folders. Customize the appearance and support the developer with optional tips.

**Highlights:** Save and reuse copied text, Pin favorite phrases, Organize text by folder, Customize theme colors, Quick recopy with one tap, Duplicate entries move to top

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Donut | $1.99 | one-time |
| Lunch | $2.99 | one-time |


## Frequently asked questions

### Is Hierarchical To free?

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

### Is ClipStack free?

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

### Do Hierarchical To or ClipStack have ads?

Both Hierarchical To and ClipStack show ads.

### Which is updated more often, Hierarchical To or ClipStack?

Hierarchical To ships an update every 2 months, and ClipStack every 2 days. Most recently, Hierarchical To was updated on June 10, 2026 and ClipStack on June 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.*