BULO 2.0 vs MARKS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
BULO 2.0
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The Smartest Breathing Exercise Trainer Breathe Better, with BULO
MARKS
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The moment you step on the block, your record begins. MARKS is a record-keeping and training app for youth and student swimmers β and their parents. Bring scattered race results and meet schedules into one place, and watch your progress take shape. β Records Personal bests are organized automatically by event. Log times by meet and date, long course or short course, and see exactly how much you have dropped. β Analysis Review training volume and recovery, and catch early signs of overtraining. (All guidance is for reference only and is not medical advice.) β Goals Set a target time for your next meet, check the gap from your current PB, and shape your training around it. β Meets Nationwide swim meet schedules, organized for age-group and masters swimmers, with links to official sources β answer "what meets are on this year?" on one screen. β Growth Ask the AI coach about training, nutrition, and technique, and get a weekly plan that fits you β built on training principles used by world-class swimmers. β Your data is yours. Export or delete it anytime. β Users under 14 require guardian consent. Take Your Mark. Your Record Starts Here.
Screenshots
Verdict
The clearest difference is iOS requirement: BULO 2.0 at 12.0 against MARKS's 15.0. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | BULO 2.0 | MARKS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 62 MB | 301 MB |
| Age rating | 4+ | 4+ |
| Developer | BREATHINGS Co., Ltd. | rina kim |
In-app purchases
BULO 2.0
No in-app purchases
MARKS
No in-app purchases









