Deep Sky Diary vs Ouchie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deep Sky Diary
Record your thoughts and memories for your future self or send messages into the void. This app allows you to create regular diary entries, schedule future readings, or send messages that are permanently deleted.
- Regular diary entries
- Scheduled future readings
- Ephemeral black hole messages
- Optional black hole receipt
Read full descriptionHide full description
Sometimes, you probably want to talk to your "future self", and sometimes, you probably want to just talk to nowhere. Deep Sky Diary is here for you. - Keep regular diaries - Write diaries for future you: set a date and read the diary after that day. - Write a diary and send it to the black hole (nowhere) * *: The message will be discarded and not saved on your local device. If you choose to save a receipt, a story with the title "Blackhole Receipt" will be saved.
Ouchie
Read full descriptionHide full description
Ouchie helps you understand your pain patterns so you can take control of your health. SIMPLE DAILY LOGGING Log how you're feeling in just 30 seconds. Rate your pain level, note what might have triggered it, and record what brought relief. Simple tap interactions make tracking effortless. VISUAL TRENDS See your pain levels over time with beautiful, easy-to-understand charts. Spot patterns at a glance and understand how your pain changes day to day, week to week. IDENTIFY TRIGGERS & RELIEF Track what makes your pain worse and what helps. Over time, you'll build a clear picture of which factors affect you most—valuable information for managing your condition. SHARE WITH YOUR DOCTOR Generate accurate data to share during medical appointments. No more trying to remember how you felt last month—show your healthcare provider exactly what's been happening. PRIVATE & SECURE Your health data is personal. We encrypt everything and never share your information with advertisers. Your pain journal stays yours. Whether you're managing chronic pain, recovering from an injury, or just want to understand your body better, Ouchie gives you the insights you need. Start tracking today—it's free.
Screenshots
Verdict
Deep Sky Diary and Ouchie are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Deep Sky Diary | Ouchie |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.1 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Shunzhe Ma | Charles Streaton |
In-app purchases
Deep Sky Diary
No in-app purchases
Ouchie
No in-app purchases
Questions
Is Deep Sky Diary free?
Is Ouchie free?
Do Deep Sky Diary or Ouchie have ads?
Other comparisons















