# Situps Coach Pro vs iFour Core

The clearest difference is price: iFour Core at Free against Situps Coach Pro's $0.99. iFour Core also leads on update cadence (every 2 months vs every 7 months) and review sentiment (100% vs 88%). Situps Coach Pro's advantage is device support (4 vs 2). On rating, ads, in-app purchases and monetization model there is nothing between them.

iFour Core is free to download; Situps Coach Pro costs $0.99 up front. Situps Coach Pro sells 3 in-app purchases, starting at $0.99 per month and iFour Core sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Situps Coach Pro against 5.0 for iFour Core. Both are backed by a comparable volume of ratings — 8 and 28 respectively. Written reviews are what separate them: 88% of Situps Coach Pro's written reviews are positive against 100% of iFour Core's.

Situps Coach Pro ships an update every 7 months, iFour Core every 2 months. The most recent releases landed on September 9, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Situps Coach Pro | iFour Core |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.9 (8 ratings)](https://appshunter.io/ios/app/situps-coach-pro/id489023044/reviews) | **[5.0 (28 ratings)](https://appshunter.io/ios/app/ifour-core/id1525317554/reviews)** |
| Number of ratings | 8 | **28** |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 37 MB | 39 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [倩 赵](https://appshunter.io/developer/376557917) | [ifour.life, LLC](https://appshunter.io/developer/1525317556) |

## What reviewers say

### Situps Coach Pro

[App page](https://appshunter.io/ios/app/situps-coach-pro/id489023044)

This app offers structured training plans to help users increase their sit-up count and improve core strength. It tracks progress, burns calories, and allows for personalized plans and reminders. Suitable for all fitness levels, it aims to help users achieve their sit-up goals within weeks.

**Highlights:** Structured sit-up training plans, Beginner to advanced levels, Progress and calorie tracking, Customizable reminders, Multi-user support, Workout sharing

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - 1 month | $0.99 | per month |
| Premium - 6 months | $5.49 | per 6 months |
| Premium - 1 year | $9.99 | per year |


### iFour Core

[App page](https://appshunter.io/ios/app/ifour-core/id1525317554)

This app offers a personalized core workout program designed by physical therapists. It adapts to your individual anatomy and fitness level, providing daily workouts under 10 minutes with video demonstrations. Access nutrition guides and trainer support as a member.

**Highlights:** Personalized core workout program, Physical therapy approved exercises, Daily workouts under 10 minutes, Video demonstrations of exercises, Nutrition guides and support, Fitness test for customized plans

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annually | $29.99 | per year |


## Frequently asked questions

### Is Situps Coach Pro free?

Situps Coach Pro costs $0.99, and also offers in-app purchases.

### Is iFour Core free?

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

### Which has better reviews, Situps Coach Pro or iFour Core?

iFour Core is rated higher. Situps Coach Pro averages 4.9 out of 5 from 8 ratings, while iFour Core averages 5.0 from 28 ratings.

### Do Situps Coach Pro or iFour Core have ads?

Neither Situps Coach Pro nor iFour Core shows ads.

### Which is updated more often, Situps Coach Pro or iFour Core?

Situps Coach Pro ships an update every 7 months, and iFour Core every 2 months. Most recently, Situps Coach Pro was updated on September 9, 2026 and iFour Core on June 4, 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.*