Condor Sleep Diary vs Hypknowledge SSE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Condor Sleep Diary
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Condor eDiary is the diary app from Condor Instruments. Formerly named Sleep Diary, it now supports diaries of different kinds — not only the sleep diary. WHAT YOU DO IN THE APP • Fill in your sleep diary every day, at the time agreed with your research team. • Fill in additional diaries created specifically for your study, each with its own questions and its own filling window. • Keep track of what has been filled in and what is still pending, day by day. • Get reminders so you never miss an entry. YOUR DEVICE, IN THE SAME PLACE If you wear a Condor ActLumus actigraph, the app connects to it over Bluetooth and sends your research team the activity and light-exposure measurements the device recorded. You don't need to do anything beyond keeping the app installed and Bluetooth on. WHO IT IS FOR Condor eDiary is used in studies and follow-ups conducted by researchers and health professionals. Access is granted by the institution running your study — there are no in-app purchases. THE NAME CHANGED, THE APP DID NOT This is the same app you already used as Sleep Diary. Your data, your diaries and your access stay exactly as they were. Condor Instruments — instruments and software for chronobiology and sleep research.
Hypknowledge SSE
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Target Users. Good sleepers Goal. To determine the individual’s best fit sleep duration and phase for optimal daytime performance, mood, and health. Method. To gather subjective and/or objective sleep data concurrent with multiple measures of daytime function. These data are assessed, individual by individual, to determine what constitutes their optimal sleep. Daytime function is currently assessed in terms of sleepiness, fatigue, and performance. In the near future our focus will be extended to medical health measures. Stage of Development. The program algorithm has a patent and proof of concept studies are underway. Final Product. Direct to consumer.
Screenshots
Verdict
Condor Sleep Diary and Hypknowledge SSE are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.
Condor Sleep Diary ships an update every 2 weeks, Hypknowledge SSE monthly. The most recent releases landed on November 11, 2026 and November 14, 2026 respectively.
| Parameter | Condor Sleep Diary | Hypknowledge SSE |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Condor Instruments Ltda | Quantox Technology Doo Cacak |
In-app purchases
Condor Sleep Diary
No in-app purchases
Hypknowledge SSE
No in-app purchases
Questions
Is Condor Sleep Diary free?
Is Hypknowledge SSE free?
Do Condor Sleep Diary or Hypknowledge SSE have ads?
Which is updated more often, Condor Sleep Diary or Hypknowledge SSE?
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