# 30 Day vs Plank Workout Challenge

The clearest difference is review sentiment: Plank Workout Challenge at 100% against 30 Day's 29%. Plank Workout Challenge also leads on rating (4.8 vs 3.5). 30 Day's advantage is ads (none vs shown) and ratings volume (430 vs 129). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. 30 Day sells 2 one-off in-app purchases 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.

Plank Workout Challenge holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 430 and 129 respectively. Written reviews point the same way: 29% of 30 Day's written reviews are positive against 100% of Plank Workout Challenge's.

30 Day ships an update every 8 months, Plank Workout Challenge every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 30 Day | Plank Workout Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (430 ratings)](https://appshunter.io/ios/app/30-day-plank-challenge/id1030759187/reviews) | **[4.8 (129 ratings)](https://appshunter.io/ios/app/plank-workout-challenge/id1536575452/reviews)** |
| Number of ratings | **430** | 129 |
| Positive reviews | 28.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 40 MB | 120 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jozic Productions Pty Ltd](https://appshunter.io/developer/470171631) | [ohealth apps studio](https://appshunter.io/developer/1536575454) |

## What reviewers say

### 30 Day

[App page](https://appshunter.io/ios/app/30-day-plank-challenge/id1030759187)

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.

**Highlights:** 30-day plank exercise plan, Gradually increasing intensity, Includes rest days, 6 workouts, 8 plank exercise variations, Progress tracking, Social sharing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |

**What reviewers like**

- 🚀 Simple and straightforward
- 🚀 Easy to use
- 👍 Keeps you motivated
- 👍 Good visual and text explanations
- 👍 Variety of levels to choose from

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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**

- 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 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 3.5 out of 5 from 430 ratings, while Plank Workout Challenge averages 4.8 from 129 ratings.

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

Plank Workout Challenge shows ads; 30 Day does not.

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

30 Day ships an update every 8 months, and Plank Workout Challenge every 5 months. Most recently, 30 Day was updated on November 1, 2026 and Plank Workout Challenge on November 3, 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.*