the waterfall vs Sunday Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
the waterfall
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.
- 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
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Waterfall —— More than just a diary app, it's your personal introspection companion. Waterfall is committed to helping you think, remember, and discover the beauty in life. As a unique diary app, the charm of Waterfall lies in its potential to touch every detail of life. Here, you can record your thoughts and ideas. Furthermore, our question feature allows for deeper pondering — just hold down on a diary entry and prompt yourself with a question, like "What did you eat today?", "What are you thinking about?", or "Was there something today that made you happy?". Each question is a deep dive into your own self-reflection. Moreover, Waterfall is fully featured — it supports Markdown, making your text even more expressive. You can also associate tags and pictures with your memories, turning them into visual echoes. So, what exactly can Waterfall record? The answer is: almost everything. Apart from life's snippets, you can use it to log your reading notes, movie reviews, and even life goals. Pin important things to remind yourself to always keep up the enthusiasm for life. In the end, we hope that you enjoy your time with Waterfall, where each day, you can cherish the last moment of the day and reminisce about the day's experiences. Here, every day, you have your own waterfall. It's worth noting that Waterfall takes your privacy very seriously. All your data are stored locally and automatically synced with iCloud, visible only to you. At Waterfall, your privacy is always given the highest level of protection. May you have a beautiful day with Waterfall. Wishing you a waterfall day.
Sunday Diary
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Why is it different from other journal apps? · Beautifully crafted UI: Designed exclusively for iOS with refined details and smooth interactions · Live Photo support: Capture vivid moments beyond text · Automatic location and weather: Relive your journey in the map view · Privacy protection with iCloud sync: Data is stored locally and synced with end-to-end encryption. No one else can access your journal Sunday is not just a journal, it is the complete archive of your life By subscribing, you agree to our Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Sunday Diary at every 6 days against the waterfall's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. the waterfall sells 1 one-off in-app purchase and Sunday Diary sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
the waterfall ships an update every 3 months, Sunday Diary every 6 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | the waterfall | Sunday Diary |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 88.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | 文杰 李 | 浩燃 刘 |
In-app purchases
the waterfall
- WATERFALL UPGRADE$7.99
Sunday Diary
- 每月订阅$3.991 Month
- 一年订阅1 Month trial$24.991 Year
- 永久订阅$39.99








