Comparison

D4L Collect vs PulseTabata

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

Head to head
About

D4L Collect

Features
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Advance health research – easily and directly from your smartphone. With the D4L Collect app, you can participate in digital studies anytime, anywhere. Why join digital research studies? - Take part in studies from anywhere with your smartphone or Wear OS smartwatch. - No need to visit hospitals or clinics. - Effortlessly collect health data in daily life. - Enable evidence-based research by combining Patient-Reported Outcomes (PROs) with real-world data from wearables. - Help researchers gain insights faster. Your data is secure. All information in the D4L Collect app is end-to-end encrypted and securely transmitted. About Data4Life Data4Life is a nonprofit digital health organization funded by the Hasso Plattner Foundation. We envision a world where health data is ready for research in the areas of public health and personalized medicine to improve prevention, diagnosis, and treatment. Questions or feedback? Contact us at we@data4life.help – we’re happy to assist!

About

PulseTabata

Features
Read full description

PulseTabata is a focused interval timer for Tabata, HIIT, and custom workouts. Build your own training plans, start sessions quickly, and keep your workout flow simple on iPhone and Apple Watch. Features: - Tabata, EMOM, and custom interval workouts - Create and edit your own workout plans - Apple Watch companion for workout control and metrics - Workout history saved on device - Sound, voice, and haptic cues - Clean, fast workout screens built for repeat training PulseTabata is designed for people who want a lightweight workout timer without accounts, ads, or unnecessary complexity.

Screenshots

D4L Collect4 screens
PulseTabata4 screens

Verdict

The call

The clearest difference is device support: PulseTabata at 3 against D4L Collect's 1. On price, update cadence, ads and in-app purchases 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 2, 2026 and September 11, 2026 respectively.

Scorecard1 real difference Β· 5 level
D4L Collect versus PulseTabata: the parameters behind the verdict, then further details
ParameterD4L CollectPulseTabata
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, Apple Watch β€” better
Requires iOS16.6 β€” better17.0
Further details β€” not scored
Size47 MB11 MB
Age rating17+4+
DeveloperD4L data4life gGmbHVitalii Hurkovskyi

In-app purchases

None

D4L Collect

No in-app purchases

None

PulseTabata

No in-app purchases

Questions

Is D4L Collect free?
D4L Collect is free to download, with no in-app purchases.
Is PulseTabata free?
PulseTabata is free to download, with no in-app purchases.
Do D4L Collect or PulseTabata have ads?
Neither D4L Collect nor PulseTabata shows ads.
Which is updated more often, D4L Collect or PulseTabata?
D4L Collect ships an update every 2 weeks, and PulseTabata every 2 weeks. Most recently, D4L Collect was updated on September 2, 2026 and PulseTabata on September 11, 2026.

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