Comparison

0zone vs zone2run

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

Head to head
About

0zone

Features
Read full description

Create your custom workout for Apple Watch. Scheduled workout will be shown in your Apple Watch's Workout application.

About

zone2run

Features
Read full description

An innovative running app that enables scientific Zone 2 heart rate training—without a watch. Maintain the optimal aerobic exercise intensity with just your smartphone, no complicated wearables required, and experience a healthier, more effective run. Why Zone 2? While most running apps focus on simple distance or pace tracking, Zone 2 is specialized in heart rate zone training grounded in science. Unlike expensive smartwatches or heart rate bands, Zone 2 lets you train at a comfortable “conversational pace,” designed to maximize fat burning and improve your base fitness—its key differentiator. Core Features Watch-Free Zone 2 Training: Manage your Zone 2 heart rate range using only your smartphone—no extra devices needed. Conversational Pace Setting: Personalize your pace range where you can comfortably hold a conversation. Smart Pace Coaching: Voice alerts to help you stay on your target pace. Workout Tracking: Monitor your progress with Zone 2 achievement rates. Start today—set a new standard for healthy running with Zone 2!

Screenshots

0zone4 screens
zone2run4 screens

Verdict

The call

0zone and zone2run are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
0zone versus zone2run: the parameters behind the verdict, then further details
Parameter0zonezone2run
PriceFreeFree
Update frequencyEvery 3 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS18.0 — better18.5
Further details — not scored
Size4 MB15 MB
Age rating4+4+
DeveloperSang Min KimMonthly404

In-app purchases

None

0zone

No in-app purchases

None

zone2run

No in-app purchases

Questions

Is 0zone free?
0zone is free to download, with no in-app purchases.
Is zone2run free?
zone2run is free to download, with no in-app purchases.
Do 0zone or zone2run have ads?
Neither 0zone nor zone2run shows ads.

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