OPUMP vs BULO 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Test inspiratory and expiratory vital capacity
- Various breathing training methods
- Analysis of historical breathing records
- Breathing training game
- Breathing training course
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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.)
BULO 2.0
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The Smartest Breathing Exercise Trainer Breathe Better, with BULO
Screenshots
Verdict
The clearest difference is update cadence: BULO 2.0 at every 3 weeks against OPUMP's every 2 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OPUMP ships an update every 2 months, BULO 2.0 every 3 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.
| Parameter | OPUMP | BULO 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 574 MB | 62 MB |
| Age rating | 12+ | 4+ |
| Developer | Light&Move Tech Co., Ltd | BREATHINGS Co., Ltd. |
In-app purchases
OPUMP
No in-app purchases
BULO 2.0
No in-app purchases
