Comparison

BULO vs MARKS

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

Head to head
About

BULO

This app guides users through breathing exercises to improve lung health. It offers measurement and training features to help users understand and enhance their respiratory function.

Highlights
  • Breathing exercise guidance
  • Lung measurement
  • Respiratory training
  • Health tracking
Read full description

Smart Breathing Training Assistant! Measure & Exercise for your lungs

About

MARKS

Features
Read full description

The moment you step on the block, your record begins. MARKS is a record-keeping and training app for youth and student swimmers — and their parents. Bring scattered race results and meet schedules into one place, and watch your progress take shape. ■ 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. ■ Analysis Review training volume and recovery, and catch early signs of overtraining. (All guidance is for reference only and is not medical advice.) ■ Goals Set a target time for your next meet, check the gap from your current PB, and shape your training around it. ■ Meets Nationwide swim meet schedules, organized for age-group and masters swimmers, with links to official sources — answer "what meets are on this year?" on one screen. ■ Growth Ask the AI coach about training, nutrition, and technique, and get a weekly plan that fits you — built on training principles used by world-class swimmers. — Your data is yours. Export or delete it anytime. — Users under 14 require guardian consent. Take Your Mark. Your Record Starts Here.

Screenshots

BULO4 screens
MARKS4 screens

Verdict

The call

The clearest difference is iOS requirement: BULO 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 · 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.

Scorecard1 real difference · 9 level
BULO versus MARKS: the parameters behind the verdict, then further details
ParameterBULOMARKS
PriceFreeFree
Rating2.0 (5 ratings) — better—
Positive reviews42.9% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size55 MB301 MB
Age rating4+4+
DeveloperBREATHINGS Co., Ltd.rina kim

In-app purchases

None

BULO

No in-app purchases

None

MARKS

No in-app purchases

Questions

Is BULO free?
BULO is free to download, with no in-app purchases.
Is MARKS free?
MARKS is free to download, with no in-app purchases.
Do BULO or MARKS have ads?
Neither BULO nor MARKS shows ads.

Other comparisons