# D vs Fitbit Ace

The clearest difference is rating: Fitbit Ace at 4.1 against D's 2.8. Fitbit Ace also leads on update cadence (every 3 weeks vs every 6 weeks) and ratings volume (216 vs 67). D's advantage is monetization model (free vs free with in-app purchases) and device support (3 vs 1). On price, review sentiment, 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.

Fitbit Ace holds the better App Store score, 4.1 against 2.8. Both are backed by a comparable volume of ratings — 67 and 216 respectively. Written reviews point the same way: 47% of D's written reviews are positive against 49% of Fitbit Ace's.

D ships an update every 6 weeks, Fitbit Ace every 3 weeks. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | D | Fitbit Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (67 ratings)](https://appshunter.io/ios/app/d-bat-hub/id1392463429/reviews) | **[4.1 (216 ratings)](https://appshunter.io/ios/app/fitbit-ace/id1621113388/reviews)** |
| Number of ratings | 67 | **216** |
| Positive reviews | 47.1% of reviews | **49.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 195 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Upper Hand, Inc.](https://appshunter.io/developer/1195693369) | [Google](https://appshunter.io/developer/281956209) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-bat-hub/id1392463429)

Manage your D-BAT baseball and softball academy account from anywhere. Purchase memberships, lessons, and rentals, schedule training, and receive notifications. Communicate with staff and customers, and update your billing information.

**Highlights:** Purchase memberships, lessons, and rentals, Manage training schedules, Receive event notifications, Update account and billing info, Cancel/change attendance, Communicate with staff and customers

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

**In-app purchases:** none


### Fitbit Ace

[App page](https://appshunter.io/ios/app/fitbit-ace/id1621113388)

Manage your child's Fitbit Ace LTE smartwatch. Securely call, text, track location, and monitor activity. Control contacts and ensure peace of mind.

**Highlights:** Secure calling and texting, Real-time location tracking, Activity level monitoring, Contact management, Child's smartwatch management

**In-app purchases:** none

**What reviewers like**

- 👍 Great for kids' independence
- 🔒 Safe communication for kids
- 📍 Reliable location tracking
- 🏃 Motivates kids to be active
- 👨‍👩‍👧‍👦 Easy for parents to use

**What reviewers complain about**

- 🚫 Incompatible with older iOS
- ⚠️ Inappropriate content risk
- 🚫 Features don't work offline
- 🎨 Awful UI aesthetics
- 🖼️ Cannot send images

**Reported bugs**

- Location, calling, and messaging features not working when disconnected from WiFi
- Incoming calls on iPhone from Fitbit Ace have no sound, only vibration
- Message history lost when moving to a new phone
- App does not connect to the watch
- App never loads or says no connection

**Requested features**

- Allow adjusting theme or colors
- Add basic features like photo sharing
- Allow communication between friends with watches
- Enable parents to approve friend connections
- Allow grandparents abroad to use the app


## Frequently asked questions

### Is D free?

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

### Is Fitbit Ace free?

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

### Which has better reviews, D or Fitbit Ace?

Fitbit Ace is rated higher. D averages 2.8 out of 5 from 67 ratings, while Fitbit Ace averages 4.1 from 216 ratings.

### Do D or Fitbit Ace have ads?

Neither D nor Fitbit Ace shows ads.

### Which is updated more often, D or Fitbit Ace?

D ships an update every 6 weeks, and Fitbit Ace every 3 weeks. Most recently, D was updated on October 13, 2026 and Fitbit Ace on October 20, 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.*