# Plank Workout Timer vs Core30

The clearest difference is in-app purchases: Plank Workout Timer at none against Core30's 3. Plank Workout Timer also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). Core30's advantage is update cadence (every 4 days vs every 10 months). On price and ads there is nothing between them.

Both are free to download. Core30 sells 3 in-app purchases, starting at $2.99 per 7 days. Plank Workout Timer asks for nothing beyond the download.

Plank Workout Timer ships an update every 10 months, Core30 every 4 days. The most recent releases landed on September 14, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Plank Workout Timer | Core30 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/core30-abs-and-core-workout-app/id6745766720/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 18 MB | 9 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Lompech](https://appshunter.io/developer/1711236813) | [Gruffydd Johnston](https://appshunter.io/developer/1651486785) |

## What reviewers say

### Plank Workout Timer

[App page](https://appshunter.io/ios/app/plank-workout-timer/id6739487114)

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

**In-app purchases:** none


### Core30

[App page](https://appshunter.io/ios/app/core30-abs-and-core-workout-app/id6745766720)

Build a stronger core with quick, effective workouts designed for busy schedules. Featuring 5-10 minute routines and 30-second exercises, this app helps you improve stability and strength. Track your progress and sync with Apple Health for a complete fitness overview.

**Highlights:** Quick 5-10 minute workouts, 30-second timed exercises, Workouts for all fitness levels, No equipment required, Progress tracking, Apple Health integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Annual | $14.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Plank Workout Timer free?

Plank Workout Timer is free to download, with no in-app purchases.

### Is Core30 free?

Core30 is free to download, with in-app purchases available.

### Do Plank Workout Timer or Core30 have ads?

Neither Plank Workout Timer nor Core30 shows ads.

### Which is updated more often, Plank Workout Timer or Core30?

Plank Workout Timer ships an update every 10 months, and Core30 every 4 days. Most recently, Plank Workout Timer was updated on September 14, 2026 and Core30 on August 14, 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.*