Comparison

Condor Sleep Diary vs Hypknowledge SSE

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Condor Sleep Diary

Features
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Condor eDiary is the diary app from Condor Instruments. Formerly named Sleep Diary, it now supports diaries of different kinds β€” not only the sleep diary. WHAT YOU DO IN THE APP β€’ Fill in your sleep diary every day, at the time agreed with your research team. β€’ Fill in additional diaries created specifically for your study, each with its own questions and its own filling window. β€’ Keep track of what has been filled in and what is still pending, day by day. β€’ 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 β€” 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 β€” instruments and software for chronobiology and sleep research.

About

Hypknowledge SSE

Features
Read full description

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

Condor Sleep Diary4 screens
Hypknowledge SSE4 screens

Verdict

The call

The clearest difference is update cadence: Condor Sleep Diary at every 2 weeks against Hypknowledge SSE's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Condor Sleep Diary ships an update every 2 weeks, Hypknowledge SSE every 4 weeks. Both last shipped on October 1, 2026.

Scorecard1 real difference Β· 5 level
Condor Sleep Diary versus Hypknowledge SSE: the parameters behind the verdict, then further details
ParameterCondor Sleep DiaryHypknowledge SSE
PriceFreeFree
Update frequencyEvery 2 weeks β€” betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 β€” better
Further details β€” not scored
Size34 MB18 MB
Age rating4+4+
DeveloperCondor Instruments LtdaQuantox Technology Doo Cacak

In-app purchases

None

Condor Sleep Diary

No in-app purchases

None

Hypknowledge SSE

No in-app purchases

Questions

Is Condor Sleep Diary free?
Condor Sleep Diary is free to download, with no in-app purchases.
Is Hypknowledge SSE free?
Hypknowledge SSE is free to download, with no in-app purchases.
Do Condor Sleep Diary or Hypknowledge SSE have ads?
Neither Condor Sleep Diary nor Hypknowledge SSE shows ads.
Which is updated more often, Condor Sleep Diary or Hypknowledge SSE?
Condor Sleep Diary ships an update every 2 weeks, and Hypknowledge SSE every 4 weeks. Most recently, Condor Sleep Diary was updated on October 1, 2026 and Hypknowledge SSE on October 1, 2026.

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