# the waterfall vs ZiiPSI

The clearest difference is in-app purchases: ZiiPSI at none against the waterfall's 1. ZiiPSI also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

the waterfall ships an update every 3 months, ZiiPSI every 2 months. The most recent releases landed on October 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | the waterfall | ZiiPSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/the-waterfall/id6470706449/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 48 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文杰 李](https://appshunter.io/developer/1590258684) | [ZiiTech Pty Ltd](https://appshunter.io/developer/1492861757) |

## What reviewers say

### the waterfall

[App page](https://appshunter.io/ios/app/the-waterfall/id6470706449)

This app serves as a personal introspection companion, allowing users to record thoughts, ideas, and memories. It features guided questions for deeper self-reflection, supports Markdown for expressive text, and allows tagging and image association with entries. Data is stored locally and synced with iCloud for privacy.

**Highlights:** Guided self-reflection questions, Markdown support for text, Tagging and image association, Local data storage with iCloud sync, Pinning important memories, Record reading notes and movie reviews

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WATERFALL UPGRADE | $7.99 | one-time |


### ZiiPSI

[App page](https://appshunter.io/ios/app/ziipsi/id6503234228)

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

**In-app purchases:** none


## Frequently asked questions

### Is the waterfall free?

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

### Is ZiiPSI free?

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

### Do the waterfall or ZiiPSI have ads?

Neither the waterfall nor ZiiPSI shows ads.

### Which is updated more often, the waterfall or ZiiPSI?

the waterfall ships an update every 3 months, and ZiiPSI every 2 months. Most recently, the waterfall was updated on October 24, 2026 and ZiiPSI on September 30, 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.*