# NuCalm vs DataFit App

The clearest difference is rating: DataFit App at 4.9 against NuCalm's 4.0. DataFit App also leads on review sentiment (100% vs 65%) and monetization model (free vs free with in-app purchases). NuCalm's advantage is ratings volume (363 vs 41). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DataFit App holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: NuCalm has 363 ratings behind it against 41, so its average is the more settled of the two. Written reviews point the same way: 65% of NuCalm's written reviews are positive against 100% of DataFit App's.

NuCalm ships an update every 5 weeks, DataFit App every 6 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | NuCalm | DataFit App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (363 ratings)](https://appshunter.io/ios/app/nucalmsleep-recover-perform/id1126899503/reviews) | **[4.9 (41 ratings)](https://appshunter.io/ios/app/datafit-app/id6443803002/reviews)** |
| Number of ratings | **363** | 41 |
| Positive reviews | 64.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 118 MB | 185 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [Solace Lifesciences, Inc](https://appshunter.io/developer/1126899502) | [DataFit LLC](https://appshunter.io/developer/1649412448) |

## What reviewers say

### NuCalm

[App page](https://appshunter.io/ios/app/nucalmsleep-recover-perform/id1126899503)

This app offers a drug-free solution to manage stress, improve sleep, enhance focus, and boost energy. It utilizes neuroscience-backed technology to guide your brain and body into balance, promoting natural relaxation and recovery. Experience immediate stress relief and a restored nervous system.

**Highlights:** Drug-free sleep improvement, Stress and anxiety relief, Enhanced focus and productivity, Natural energy boost, Nervous system balance, Clinically proven benefits

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Life-changing benefits
- 🌟 Profound impact on sleep, stress, and focus
- 👍 Effective for managing anxiety and PTSD
- ⭐ Transformative and game-changing
- 🤩 Fantastic product that works as advertised

**What reviewers complain about**

- 🐛 Buggy and unreliable app
- 💰 Extremely expensive subscription model
- 🤯 Frustrating customer service and account issues
- 🔍 Lack of transparency around scientific claims
- 🤔 Inconsistent performance and functionality

**Reported bugs**

- App crashes and freezes frequently
- Difficulty logging in and accessing accounts
- Tracks failing to download or play properly
- Subscription and billing issues

**Requested features**

- More customization options for audio tracks
- Offline mode for downloading tracks
- Improved app stability and user experience
- Better customer support and communication


### 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 NuCalm free?

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

### Is DataFit App free?

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

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

DataFit App is rated higher. NuCalm averages 4.0 out of 5 from 363 ratings, while DataFit App averages 4.9 from 41 ratings.

### Do NuCalm or DataFit App have ads?

Neither NuCalm nor DataFit App shows ads.

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

NuCalm ships an update every 5 weeks, and DataFit App every 6 weeks. Most recently, NuCalm was updated on November 6, 2026 and DataFit App 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.*