Comparison

OPUMP vs brid.zzz

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

Head to head
About

OPUMP

This intelligent breathing trainer helps you test inspiratory capacity, engage in guided breathing exercises, and track your progress. It offers various training methods, historical data analysis, and even a breathing training game and course. It is not a medical device but provides reference data for app content.

Highlights
  • Test inspiratory and expiratory vital capacity
  • Various breathing training methods
  • Analysis of historical breathing records
  • Breathing training game
  • Breathing training course
Features
Read full description

As the first FDA-approved breathing trainer, OPUMP finally meets you. Used for respiratory muscle training, OPUMP is the first intelligent breathing trainer that can be used independently and connected to OPUMP App to test inspiratory capacity, have breathing training, learn different breathing methods, and track the progress. OPUMP Breathing Trainer Features: - Test inspiratory and expiratory vital capacity; - Various breathing training methods; - Analysis of historical breathing records; - Added: Breathing training game, breathing training course. Disclaimer: OPUMP is not a medical device and should not be used to diagnose or treat any medical condition. The data reflected in the product is for reference and used for APP content only. Please consult a doctor if you need any medical advice. (PS. OPUMP has completed the FDA registration in the United States and obtained the medical device certification in China.)

About

brid.zzz

Read full description

brid.zzz is a mental health management solution that helps to nurture my mind. By using it consistently three times a day, you can create your own mental routines. Real-time measurements of brainwaves and synchronized soundtracks help restore peace of mind amidst daily stress, tension, anxiety, and insomnia. [Mental Routine] Utilize brainwave and breath control sounds suited for moments in daily life when you may feel tense, anxious, stressed, or unable to sleep, maintaining optimal mental well-being. [Focus Routine] Experience the joy of immersion with specially designed binaural beat soundtracks by brid.zzz. [Sleep Tracker] Real-time brainwave monitoring continues not only during the day but also throughout the night. brid.zzz provides special sleep care sounds tailored to your state, improving sleep quality. Analyzing measured brainwaves, the sound automatically stops when you fall asleep, guiding you into deeper sleep. It detects sleep stages, positions, and tossing and turning, revealing even unknown sleep habits. [Personalized Solutions] Through the analysis of brainwave and lifestyle data, it offers tailored mental solutions optimized for your daily life and state. *The brid.zzz app is available for use after registering brid.zzz by LG Labs product. *brid.zzz is not a medical device, and the product's effectiveness may vary depending on the individual.

Screenshots

OPUMP4 screens
brid.zzz4 screens

Verdict

The call

The clearest difference is iOS requirement: OPUMP at 11.0 against brid.zzz's 13.0. On price, update cadence, ads and in-app purchases 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

OPUMP ships an update every 2 months, brid.zzz every 3 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 9 level
OPUMP versus brid.zzz: the parameters behind the verdict, then further details
ParameterOPUMPbrid.zzz
PriceFreeFree
Rating1.3 (4 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size574 MB78 MB
Age rating12+4+
DeveloperLight&Move Tech Co., LtdSLEEPWAVE INC.

In-app purchases

None

OPUMP

No in-app purchases

None

brid.zzz

No in-app purchases

Questions

Is OPUMP free?
OPUMP is free to download, with no in-app purchases.
Is brid.zzz free?
brid.zzz is free to download, with no in-app purchases.
Do OPUMP or brid.zzz have ads?
Neither OPUMP nor brid.zzz shows ads.
Which is updated more often, OPUMP or brid.zzz?
OPUMP ships an update every 2 months, and brid.zzz every 3 weeks. Most recently, OPUMP was updated on October 7, 2026 and brid.zzz on October 14, 2026.

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