# 30 day vs Plank Workout Challenge

The clearest difference is update cadence: 30 day at every 9 days against Plank Workout Challenge's every 5 months. Plank Workout Challenge's advantage is review sentiment (100% vs 75%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 30 day sells 1 one-off in-app purchase and Plank Workout Challenge sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for 30 day against 4.8 for Plank Workout Challenge. Both are backed by a comparable volume of ratings — 155 and 129 respectively. Written reviews are what separate them: 75% of 30 day's written reviews are positive against 100% of Plank Workout Challenge's.

30 day ships an update every 9 days, Plank Workout Challenge every 5 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 30 day | Plank Workout Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (155 ratings)](https://appshunter.io/ios/app/30-day-plank-challenges/id1532055684/reviews) | **[4.8 (129 ratings)](https://appshunter.io/ios/app/plank-workout-challenge/id1536575452/reviews)** |
| Number of ratings | **155** | 129 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 120 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Bustgrow Ltd](https://appshunter.io/developer/1729557461) | [ohealth apps studio](https://appshunter.io/developer/1536575454) |

## What reviewers say

### 30 day

[App page](https://appshunter.io/ios/app/30-day-plank-challenges/id1532055684)

This app offers a structured approach to plank exercises for at-home training. It focuses on core strength, weight loss, and improved posture through progressive challenges. Users can customize plans, track progress, and receive guidance for various fitness levels.

**Highlights:** Core muscle development, Back and spinal health support, Boosted metabolism, Improved posture, Static and dynamic plank options, Customizable exercise plans, Progress tracking with timer

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $0.99 | one-time |

**What reviewers like**

- 👍 Great for beginners
- 👍 Free and simple
- 👍 Motivating and effective
- 👍 Easy to use interface
- 👍 Good for stress relief

**What reviewers complain about**

- 🐛 Slow loading times
- 🐛 App crashes or doesn't open
- 🐛 Single workout per day
- 🐛 Unrealistic progression on advanced levels
- 🐛 Timer error on advanced level

**Reported bugs**

- Timer error on advanced level (22nd day)
- App doesn't load or opens very slowly
- App crashes on launch after update
- App stops loading after first day

**Requested features**

- Add widgets
- Add reminders and notifications
- Review plank technique
- View past days' seconds
- Develop higher levels and new sports


### Plank Workout Challenge

[App page](https://appshunter.io/ios/app/plank-workout-challenge/id1536575452)

This app offers a 30-day challenge with various plank exercises to strengthen your core, tone your abs, and improve posture. It caters to beginners and advanced users with adjustable holding times and exercise variations for effective home workouts.

**Highlights:** 30-day plank exercise program, Static and dynamic plank variations, Core and abs toning, Posture improvement, Beginner to advanced levels, Calorie burning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $3.99 | per 7 days |
| Premium Features | $9.99 | per month |
| Premium Features | $29.99 | per year |
| Premium Workout | $4.99 | one-time |


## Frequently asked questions

### Is 30 day free?

30 day is free to download, with in-app purchases available.

### Is Plank Workout Challenge free?

Plank Workout Challenge is free to download, with in-app purchases available.

### Which has better reviews, 30 day or Plank Workout Challenge?

Plank Workout Challenge is rated higher. 30 day averages 4.7 out of 5 from 155 ratings, while Plank Workout Challenge averages 4.8 from 129 ratings.

### Do 30 day or Plank Workout Challenge have ads?

Both 30 day and Plank Workout Challenge show ads.

### Which is updated more often, 30 day or Plank Workout Challenge?

30 day ships an update every 9 days, and Plank Workout Challenge every 5 months. Most recently, 30 day was updated on October 29, 2026 and Plank Workout Challenge on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*