Comparison

The 30 Day Abs Challenge vs 21

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

Head to head
About

The 30 Day Abs Challenge

This 30-day challenge offers daily workouts designed to help you lose belly fat and sculpt your core. It's suitable for all fitness levels, from beginners to advanced users, and requires minimal equipment.

Highlights
  • 30-day flat belly challenge
  • Daily effective workouts
  • Sculpt six-pack abs
  • Reshape your core
  • Suitable for beginners
  • Minimal equipment required
Features
Read full description

This workout plan is a 30 day flat belly challenge that will help you lose belly fat and build those sexy waistline curves. If you're ready for a challenge that will blast away belly fat, our 30-Day Flat-Belly Challenge is for you. Each day, we have an effective workout paired with. We all want to have that sexy flat stomach, especially when the summer is near, and we are willing to work for it. Sculpt six-pack abs with these four weeks of abs exercises that will reshape your core, flatten your belly, and give you definition when you're a beginner exerciser or advanced bodybuilder. Get abs like a fitness model when you do this 30-day ab workout. Are you new to working out and have little equipment or time to make it to a gym? Here's a perfect 30-day Ab challenge for you to try that is perfect for beginners and for easing you into a new home workout program. A 30-day challenge to improve your lifestyle, health, to get fit and live a more fulfilling and balanced, as well as thriving life that you may also teach your kids and other loved ones.

About

21

Features
Read full description

The key to scoring a hot body? Committing to a plan that's easy to fit into your busy schedule and lasts exactly 21 days. The 21-day workout challenge we created celebrates all the good stuff that comes with improving your fitness including more energy, better health, and the motivation to keep coming back for more. So while this routine might get you closer to physical goals, it can also bring about invisible changes. These 21-day workout programs are designed for all fitness levels, so just choose the exercise and cardio variations that are right for you.

Screenshots

The 30 Day Abs Challenge4 screens
214 screens

Verdict

The call

The 30 Day Abs Challenge and 21 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. The 30 Day Abs Challenge sells 10 one-off in-app purchases and 21 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
The 30 Day Abs Challenge versus 21: the parameters behind the verdict, then further details
ParameterThe 30 Day Abs Challenge21
PriceFreeFree
Rating3.9 (9 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings9 — better—
Update frequencyEvery 12 months—
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size33 MB34 MB
Age rating4+4+
DeveloperStefan RoobolSamantha Roobol

In-app purchases

10 purchases

The 30 Day Abs Challenge

One-time10
  • Remove Ads$0.99
  • Create Workouts$0.99
  • For Beginners$1.99
Show 7 more
  • Abs & Squats$1.99
  • Intense Ab Attack - Flat Belly$1.99
  • Abs, Butt & Thighs Workout$1.99
  • Burn Belly Fat$1.99
  • Exercises For A Stronger Core$1.99
  • Create Challenges$2.99
  • Full Bundle$4.99
10 purchases

21

One-time10
  • Remove ads$0.99
  • Fat Burning HIIT Cardio$1.99
  • Exercises for Beginners$1.99
Show 7 more
  • Plank Variation Exercises$1.99
  • Squat Variations$1.99
  • Lose Weight$1.99
  • Thigh Slimming$1.99
  • Lose Belly Fat$1.99
  • Sleek & Sexy Arms$1.99
  • Full Bundle$4.99

Questions

Is The 30 Day Abs Challenge free?
The 30 Day Abs Challenge is free to download, with in-app purchases available.
Is 21 free?
21 is free to download, with in-app purchases available.
Do The 30 Day Abs Challenge or 21 have ads?
Both The 30 Day Abs Challenge and 21 show ads.

Other comparisons