# DataFit App vs Ray

The clearest difference is in-app purchases: DataFit App at none against Ray's 18. DataFit App also leads on review sentiment (100% vs 90%) and device support (4 vs 2). Ray's advantage is update cadence (every 6 days vs every 2 months) and ratings volume (302 vs 30). On price, rating and ads there is nothing between them.

Both are free to download. Ray sells 12 in-app purchases, starting at $19.99 per month. DataFit App asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for DataFit App against 4.8 for Ray. That said, the two scores are not equally well evidenced: Ray has 302 ratings behind it against 30, so its average is the more settled of the two. Written reviews are what separate them: 100% of DataFit App's written reviews are positive against 90% of Ray's.

DataFit App ships an update every 2 months, Ray every 6 days. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DataFit App | Ray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (30 ratings)](https://appshunter.io/ios/app/datafit-app/id6443803002/reviews)** | [4.8 (302 ratings)](https://appshunter.io/ios/app/ray-ai-personal-trainer/id6474633735/reviews) |
| Number of ratings | 30 | **302** |
| Positive reviews | **100.0% of reviews** | 89.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 209 MB | 175 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [DataFit LLC](https://appshunter.io/developer/1649412448) | [Ray Fitness Systems Inc.](https://appshunter.io/developer/1722143113) |

## What reviewers say

### 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

**In-app purchases:** none


### Ray

[App page](https://appshunter.io/ios/app/ray-ai-personal-trainer/id6474633735)

This app acts as a personal trainer, providing real-time voice guidance for workouts. It adapts to your schedule, physical limitations, and goals, offering customized routines whether you're at the gym or at home. It automatically counts reps and learns your preferences over time.

**Highlights:** Real-time voice guidance, Adaptive workout adjustments, Automatic rep counting, Personalized training plans, Workout accountability checks, Learns user preferences

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $19.99 | per month |
| Premium Access | $19.99 | per month |
| Premium Access | $19.99 | per month |
| Premium Access | $24.99 | per month |
| Premium Access | $39.99 | per 3 months |
| Premium Access | $39.99 | per 3 months |
| Premium Access | $39.99 | per 3 months |
| Premium Access | $59.99 | per 3 months |
| Premium Access | $119.99 | per year |
| Premium Access | $119.99 | per year |
| Premium Access | $119.99 | per year |
| Premium Access | $179.99 | per year |

**What reviewers like**

- 👍 Easy to use and personalized workouts
- 🚀 Intuitive and clean interface
- 💡 Customizable training plans
- 👍 Helpful video tutorials
- 👍 Integrates with health apps


## Frequently asked questions

### Is DataFit App free?

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

### Is Ray free?

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

### Which has better reviews, DataFit App or Ray?

DataFit App is rated higher. DataFit App averages 4.9 out of 5 from 30 ratings, while Ray averages 4.8 from 302 ratings.

### Do DataFit App or Ray have ads?

Neither DataFit App nor Ray shows ads.

### Which is updated more often, DataFit App or Ray?

DataFit App ships an update every 2 months, and Ray every 6 days. Most recently, DataFit App was updated on October 7, 2026 and Ray on October 19, 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.*