0-20 Pullups Back Trainer

com.zenlabs.challenge.pullups
FreeContains adsIn-app purchasesEveryone

Key numbers

1K+Installs
4.7 / 3.6KRating
Mar 3, 2016Released
Jan 12, 2026Updated

Listing text

Using a proven program, you'll be able to complete 20 pull-ups in just 6 weeks!

◎ Join the millions completing the Zen Challenge Series!◎ 0 to 20 Pull-ups in 6 weeks!◎ Featured on Glamour Magazine, Yahoo!’s Appolicious, Popsugar Fitness, Apple’s “What’s Hot”, Apple’s “New & Noteworthy”, and doctor recommended on healthTap!Are you ready for the 20 Pull-Ups Challenge? Train your upper body/core and build up to completing 20 pull-ups with same people that brought you the OFFICIAL #1 5K Trainin…

Get this app from the API

curl -H "X-API-Key: $API_KEY" \
  "https://apiplay.net/api/v1/app?id=com.zenlabs.challenge.pullups"
import requests

r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'com.zenlabs.challenge.pullups'},
                 headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()
const res = await fetch('https://apiplay.net/api/v1/app?id=com.zenlabs.challenge.pullups', {
  headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();
$ch = curl_init('https://apiplay.net/api/v1/app?id=com.zenlabs.challenge.pullups');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);

1,000 free credits a month, no card needed. API reference

Screenshots

Fields in the API response

Package namecom.zenlabs.challenge.pullups
DeveloperZen Labs Fitness
Developer websitezenlabsfitness.com
CategoryHealth & Fitness
Installs (exact)238,437
Ratings3,572
Reviews469
PriceFree
In-app purchases$0.99 - $99.99 per item
AdsYes
Content ratingEveryone
Current version6.8.0
Requires Android7.0
ReleasedMar 3, 2016
Last updateJan 12, 2026
Record refreshedOct 28, 2026

Rating breakdown

52.8K
4481
3111
226
1111

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