30 Day vs Plank Challenge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
30 Day
This app offers a structured 30-day plan to build a strong core through daily plank exercises. It gradually increases intensity, includes rest days, and features multiple workout variations suitable for all fitness levels.
- 30-day plank exercise plan
- Gradually increasing intensity
- Includes rest days
- 6 workouts
- 8 plank exercise variations
- Progress tracking
- Social sharing
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**Want to improve your health & fitness? Want the ultimate workout for that firm and tight core you’ve always dreamed of? Then try the 30 Day Plank Challenge for FREE!!** The 30 Day Plank Challenge is a simple 30 day exercise plan, where you do a set number of plank exercises each day with rest days thrown in! The workout increases intensity slowly and day 30 will test anyone. In total the app has 6 workouts with 8 plank exercise variations. The workouts and exercises are suitable for both men and women of any age and fitness levels. You can also track your progress and share it with your friends via Facebook, Twitter and email! Try our other 30 day challenge apps too: - 30 Day Ab Challenge - 30 Day Cardio Challenge - 30 Day Firm Butt Challenge - 30 Day Push Up Challenge - 30 Day Squat Challenge - 30 Day Thigh Slimming Challenge - 30 Day Toned Arms Challenge - 7 Minute Workouts - Paleo Food List - Fasting Timer - iStats - More apps coming soon!! Please seek medical advice prior to commencement.
Plank Challenge
This app guides you through a 5-week program to build up to a 4-minute plank. It requires no equipment and can be done in just 4 minutes daily, with rest days incorporated for recovery. It also includes a bonus push-up progression.
- 5-week structured plank program
- Progressive push-up training
- Daily workout instructions
- Progress tracking
- Apple Music integration
- Distraction-free interface
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Hold a 4-minute plank in just 5 weeks – no gym, no equipment, only a few minutes a day. Plank Challenge is a proven, progressive program that takes you from beginner to a 4-minute plank, step by step. HOW IT WORKS - Train 4 days, rest 3 – your muscles get time to recover and grow stronger - Progressive plan designed to prevent injury - Clear daily instructions and progress tracking - Bonus: build from 1 to 100 push-ups at your own pace WHY PLANKS? Planks strengthen your abs, back and arms at the same time. They're one of the most effective bodyweight exercises for core stability and overall strength. FEATURES - 5-week structured program - Push-up challenge from 1 to 100 - Progress tracking - Apple Music integration – your music resumes automatically after each workout - Simple, distraction-free design FOR BEGINNERS AND RETURNERS Whether you're brand new or getting back into shape, the program meets you where you are. PRO - Ad-free - 4 premium themes - Trophy Room - Advanced statistics - Lifetime access – pay once Join 127,000+ people who have built a stronger core with Plank Challenge. Download now and see what you're capable of.
Screenshots
Verdict
The clearest difference is rating: Plank Challenge at 4.7 against 30 Day's 3.5. Plank Challenge also leads on review sentiment (66% vs 29%) and update cadence (every 3 weeks vs every 8 months). 30 Day's advantage is ads (none vs shown) and iOS requirement (10.0 vs 16.0). On price, ratings volume, in-app purchases and monetization model 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
Both are free to download. 30 Day sells 2 one-off in-app purchases and Plank Challenge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Plank Challenge holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 430 and 476 respectively. Written reviews point the same way: 29% of 30 Day's written reviews are positive against 66% of Plank Challenge's.
30 Day ships an update every 8 months, Plank Challenge every 3 weeks. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.
| Parameter | 30 Day | Plank Challenge |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (430 ratings) | 4.7 (476 ratings) — better |
| Positive reviews | 28.9% of reviews | 65.7% of reviews — better |
| Number of ratings | 430 | 476 — better |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 40 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Jozic Productions Pty Ltd | Bo Kalvslund |
Customer experience
30 Day
Plank Challenge
User reviews
30 Day
From 430 App Store ratingsWhat we love
- 🚀 Simple and straightforward
- 🚀 Easy to use
- 👍 Keeps you motivated
- 👍 Good visual and text explanations
- 👍 Variety of levels to choose from
Room to improve
- 🐛 Formatting issues on newer iPhones
- 🐛 Inability to progress past certain days
- 🐛 Zoomed-in screen that prevents accessing all days
- 🐛 Ads can be intrusive
- 🐛 Steep difficulty increase between days
Plank Challenge
From 476 App Store ratingsWhat we love
- 👍 Simple and effective
- 💪 Great for plank challenges
- 🎯 Helps build stamina
- ✅ Good for beginners
- ✨ Straightforward design
Room to improve
- 🔇 Music pauses during sets
- 🎵 Lack of in-app music/motivation
- ❓ No clear guidance on plank types
- 🎛️ No timer customization
- 👎 Push-up part lacks challenge
Bugs and requests
30 Day
Reported bugs
5 issues- App getting stuck on certain days
- Inability to select day 1 due to screen formatting
- Completed checkmarks overlapping next day's exercise
- Volume issues during exercises
- Sharing/syncing functionality not working
Requested features
5 requests- Ability to start on any day or level
- Countdown before exercise starts
- Ability to track progress across multiple devices
- Gradual difficulty increase between days
- Maintenance mode after completing challenges
Plank Challenge
Reported bugs
4 issues- App crashes after iOS 13 update
- No times displayed after iOS 13 update
- Audio mutes automatically between active and rest
- App not running after iOS 13 update
Requested features
10 requests- Allow self-designed workouts
- Integrate reminders
- Add in-app music or motivational sounds
- Provide explanation on different plank types
- Include countdowns and motivational cues
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- Suggest exercises for rest periods
- Modern and minimalist design
- Add a training plan for push-ups
- Voice countdown for seconds
- Dark mode option
In-app purchases
30 Day
- Remove Ads$1.99
- Remove Ads$2.99
Plank Challenge
- Plank Challenge Pro$0.99
Questions
Is 30 Day free?
Is Plank Challenge free?
Which has better reviews, 30 Day or Plank Challenge?
Do 30 Day or Plank Challenge have ads?
Which is updated more often, 30 Day or Plank Challenge?
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