# Stronger by the Day vs DataFit App

The clearest difference is in-app purchases: DataFit App at none against Stronger by the Day's 3. DataFit App also leads on review sentiment (100% vs 91%) and device support (4 vs 2). Stronger by the Day's advantage is ratings volume (3.6K vs 41). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Stronger by the Day sells 3 in-app purchases, starting at $16.99 per month. DataFit App asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Stronger by the Day against 4.9 for DataFit App. That said, the two scores are not equally well evidenced: Stronger by the Day has 3.6K ratings behind it against 41, so its average is the more settled of the two. Written reviews are what separate them: 91% of Stronger by the Day's written reviews are positive against 100% of DataFit App's.

Stronger by the Day ships an update monthly, DataFit App every 6 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stronger by the Day | DataFit App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.6K ratings)](https://appshunter.io/ios/app/stronger-by-the-day/id1591765440/reviews) | **[4.9 (41 ratings)](https://appshunter.io/ios/app/datafit-app/id6443803002/reviews)** |
| Number of ratings | **3.6K** | 41 |
| Positive reviews | 91.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 120 MB | 185 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Strong Strong Friends LLC](https://appshunter.io/developer/1591765442) | [DataFit LLC](https://appshunter.io/developer/1649412448) |

## What reviewers say

### Stronger by the Day

[App page](https://appshunter.io/ios/app/stronger-by-the-day/id1591765440)

This fitness app offers expert coaching and personalized progress tracking for women serious about building strength and muscle. It provides a science-backed roadmap with flexible workout options designed to fit busy schedules and ensure continuous progress.

**Highlights:** Expert coaching by Meg Gallagher, Personalized progress tracking, Science-backed strength roadmap, Flexible workout scheduling, One-tap workout access, Smart progress tracking, Built-in exercise tutorials

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $16.99 | per month |
| Quarterly | $36.99 | per 3 months |
| Yearly | $99.99 | per year |

**What reviewers like**

- 👍 User-friendly app
- 🚀 Easy to use with substitutions
- 💪 Helped users get stronger
- 📊 Tracks progress well
- 💰 Great value for the price

**What reviewers complain about**

- 🐛 Buggy app with crashes and data loss
- 🔍 Difficult to access previous workouts
- ⏱️ Clunky workout logging process
- 🔌 Requires internet connection
- 🤷‍♀️ Limited customization options

**Reported bugs**

- Frequent app crashes
- Workout data not saving properly
- Login issues and getting logged out
- Slow loading of videos and information

**Requested features**

- Offline mode
- Ability to view full week's workouts
- Automatic rest timer
- More customization for substitutions
- Export workout data


### DataFit App

[App page](https://appshunter.io/ios/app/datafit-app/id6443803002)

Access personalized workout programs and track your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach support. Join communities for motivation and earn badges for achievements.

**Highlights:** Workout programs and tracking, Nutrition and meal tracking, Habit tracking, Goal setting and progress monitoring, Coach messaging, Digital communities, Wearable device integration

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stronger by the Day free?

Stronger by the Day is free to download, with in-app purchases available.

### Is DataFit App free?

DataFit App is free to download, with no in-app purchases.

### Which has better reviews, Stronger by the Day or DataFit App?

DataFit App is rated higher. Stronger by the Day averages 4.8 out of 5 from 3.6K ratings, while DataFit App averages 4.9 from 41 ratings.

### Do Stronger by the Day or DataFit App have ads?

Neither Stronger by the Day nor DataFit App shows ads.

### Which is updated more often, Stronger by the Day or DataFit App?

Stronger by the Day ships an update monthly, and DataFit App every 6 weeks. Most recently, Stronger by the Day was updated on October 21, 2026 and DataFit App on October 25, 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.*