Comparison

Breas Nitelog vs EMST

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

Head to head
About

Breas Nitelog

Control your CPAP device, track sleep quality with detailed charts, and generate compliance reports. Easily share your sleep data with your healthcare provider. Ideal for both daily use and travel.

Highlights
  • Device control
  • Sleep quality monitoring
  • Compliance reporting
  • Data sharing with providers
  • Travel-friendly CPAP companion
Features
Read full description

Nitelog® is a wonderful mobile companion for the Z1® and Z2® Auto, two of the lightest CPAP machines available. Use the app to control the Z1 or Z2 Auto, monitor sleep quality on beautiful charts, generate compliance reports and share data with your healthcare provider.At only 10.5 ounces, the Z1 and Z2 are great everyday CPAP machines that are also ideal for travel. Slip the Z1 or Z2 into the PowerShell® integrated battery and you have a full night of cord-free therapy. Enjoy!

About

EMST

Features
Read full description

电极贴片电疗仪蓝牙控制APP

Screenshots

Breas Nitelog4 screens
EMST4 screens

Verdict

The call

The clearest difference is update cadence: EMST at every 3 weeks against Breas Nitelog's every 4 months. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Breas Nitelog ships an update every 4 months, EMST every 3 weeks. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 9 level
Breas Nitelog versus EMST: the parameters behind the verdict, then further details
ParameterBreas NitelogEMST
PriceFreeFree
Rating1.9 (14 ratings) — better—
Positive reviews4.2% of reviews—
Number of ratings14 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.012.0
Further details — not scored
Size18 MB61 MB
Age rating17+4+
DeveloperHuman Design Medical LLC深圳欧蓝德医疗器械有限公司

Bugs and requests

Breas Nitelog

Reported bugs

40 issues
  • App won't stay connected
  • App won't recognize device
  • Randomly assigns future dates to data
  • Misses data after sync
  • App only records sleep sporadically
Show 35 more
  • App displays garbage data
  • App won't update data without reinstallation
  • Sleep hours double when syncing from cloud
  • App doesn't connect to device
  • New data not uploaded after sync
  • Cannot sign in
  • No device detected on Bluetooth
  • Cannot create an account
  • Unit locked and won't turn on after update
  • Not downloading data
  • Won't sync
  • Incompatible with newer phones
  • Device keeps disconnecting
  • App is inoperative
  • Cannot complete profile setup
  • Password not accepting letters
  • iPad version does not sync with cloud data
  • Most recent day's data always blank
  • Data won't download
  • App doesn't record information
  • App doesn't recognize data download
  • Stops displaying data after initial use
  • Device password must be numerical only
  • App doesn't allow password entry
  • App doesn't work with machine
  • Doesn't recognize device
  • Password box won't accept letters
  • Gives AHI of 0
  • Drops Bluetooth connection constantly
  • Cannot accept password
  • Password box doesn't let you type letters
  • Bluetooth not recognized by iPhone
  • Cannot verify password with alpha characters
  • Device disappears during connection
  • Missing AH Count in newer version

Requested features

8 requests
  • Update app to work consistently
  • Newer app addressing data needs
  • Fully functional Bluetooth interface
  • More updates like upload data to cloud
  • Fix app to allow password entry
Show 3 more
  • Provide machine password information
  • Fix app to allow letters in password
  • Provide comprehensive sleep data

EMST

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Breas Nitelog

No in-app purchases

None

EMST

No in-app purchases

Questions

Is Breas Nitelog free?
Breas Nitelog is free to download, with no in-app purchases.
Is EMST free?
EMST is free to download, with no in-app purchases.
Do Breas Nitelog or EMST have ads?
Neither Breas Nitelog nor EMST shows ads.
Which is updated more often, Breas Nitelog or EMST?
Breas Nitelog ships an update every 4 months, and EMST every 3 weeks. Most recently, Breas Nitelog was updated on October 24, 2026 and EMST on October 2, 2026.

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