DF Dance Studio vs Deep Sky Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DF Dance Studio
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Heading over to DF soon & don't like waiting at the front desk? Download the DF Dance Studio App today to plan, schedule & check in for your classes! From this mobile App you can view class schedules, sign-up for classes, check in with QR code, view ongoing promotions, as well as studio’s location information. want to update your schedule, get on a waiting list, book / reschedule a private..etc. You got it! & check out all the recent pics! Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
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
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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.
Screenshots
Verdict
The clearest difference is update cadence: Deep Sky Diary at every 3 days against DF Dance Studio's every 5 weeks. Deep Sky Diary also leads on iOS requirement (14.1 vs 16.0). 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. Neither carries in-app purchases, so what you see is what you pay.
DF Dance Studio ships an update every 5 weeks, Deep Sky Diary every 3 days. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.
| Parameter | DF Dance Studio | Deep Sky Diary |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.1 — better |
| Further details — not scored | ||
| Size | 193 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | DF Dance Studio | Shunzhe Ma |
In-app purchases
DF Dance Studio
No in-app purchases
Deep Sky Diary
No in-app purchases
Questions
Is DF Dance Studio free?
Is Deep Sky Diary free?
Do DF Dance Studio or Deep Sky Diary have ads?
Which is updated more often, DF Dance Studio or Deep Sky Diary?
Other comparisons
