DEEP POOL vs 트리나 treena
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DEEP POOL
This app provides a private space to anonymously share your thoughts and feelings. Users can express themselves without judgment, and receive empathetic prayers of support from others. It's designed as a healing tool for those feeling frustrated or needing to vent.
- Anonymous sharing of thoughts
- Private emotional expression
- Receive empathetic prayers
- Daily content deletion
- Ad-free experience
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Hello, We are Team NOTEGG. We have launched a new application [DEEP POOL] for those in need of comfort. There have been so many things that have happened to my couple. There were so many twists and turns from pregnancy to childbirth, and the joy of birth was also for a while, and the baby had to undergo a major surgery right away, so I had to spend each day in worry. In the meantime, it seems that the two of us cried and hurt a lot, crossing the rainbow bridge to the Munzi(my cat) of NOTEGG's mascot. As I lived with things I couldn't say to my family or friends, I became frustrated and depressed. At that time, I had the urge to spit out the feelings that had been piled up with anyone I didn't know. So, [DEEP POOL] was planned. I was feeling very frustrated and depressed as I was living with things I couldn't say to my family or friends. Every time I did, I felt the urge to spit out the feelings that had been piled up with anyone I didn't know. We started making [DEEP POOL] like that. [DEEP POOL] is a space where you can tell a story without revealing yourself. Feel free to tell the story. Throw the words you've kept in your heart under the deep puddle. It can be pretty words that support each other, or anything small. There is no empathy button like like or heart, Someone will listen to you and send a prayer of empathy and support. I hope this will be a healing for everyone who is frustrated, bored, or just wants to tell someone anything. It is a free application and has no ads. I will always be a NOTEGG working hard. [How to use] 1. You can enter text by touching the screen. 2. When I click the Done button, my writing sinks into the puddle. 3. If you touch the screen once more, you can see other articles in the pool. 4. All the stories of [DEEP POOL] will be deleted after a day. [Q&A] @: youarenotegg@gmail.com w: www.notegg.co.kr
트리나 treena
This app helps you express and resolve your emotions by writing a diary. Watch your inner self grow into a tree as you write, visualizing your progress and finding a sense of accomplishment.
- Emotional journaling
- Self-expression
- Emotion resolution
- Visualized growth
- Sense of accomplishment
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더불어 감정일기를 작성하며 자신의 감정을 표현하고 해소할 수 있습니다 :) 앱을 설치했을 때 심어지는 씨앗에 ‘나'를 대입하여 일기를 쓸수록 성장하는 모습을 자라나는 나무로 시각화하여 보여줍니다. 나무의 성장을 통해 성취감을 느껴 보세요! 트리나 treena (tree + 나)와 함께 성장해보아요 :)
Screenshots
Verdict
The clearest difference is update cadence: DEEP POOL at every 2 months against 트리나 treena's every 8 months. 트리나 treena's advantage is review sentiment (100% vs 78%). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
DEEP POOL ships an update every 2 months, 트리나 treena every 8 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | DEEP POOL | 트리나 treena |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 78.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | NOTEGG Corp. | Songa Kim |
Customer experience
DEEP POOL
트리나 treena
In-app purchases
DEEP POOL
No in-app purchases
트리나 treena
No in-app purchases








