# BIGGERFIVE vs Fitbit Ace

The clearest difference is monetization model: BIGGERFIVE at free against Fitbit Ace's free with in-app purchases. BIGGERFIVE also leads on ratings volume (1K vs 216) and iOS requirement (15.0 vs 17.0). Fitbit Ace's advantage is update cadence (every 3 weeks vs every 2 months) and review sentiment (49% vs 41%). On price, rating, 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 3.9. Both are backed by a comparable volume of ratings — 1K and 216 respectively. Written reviews point the same way: 41% of BIGGERFIVE's written reviews are positive against 49% of Fitbit Ace's.

BIGGERFIVE ships an update every 2 months, Fitbit Ace every 3 weeks. Both last shipped on September 22, 2026.

## The numbers

| Metric | BIGGERFIVE | Fitbit Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (1K ratings)](https://appshunter.io/ios/app/biggerfive/id1570072414/reviews) | **[4.1 (216 ratings)](https://appshunter.io/ios/app/fitbit-ace/id1621113388/reviews)** |
| Number of ratings | **1K** | 216 |
| Positive reviews | 40.8% of reviews | **49.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 153 MB | 195 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BIGGERFIVE TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1571453719) | [Google](https://appshunter.io/developer/281956209) |

## What reviewers say

### BIGGERFIVE

[App page](https://appshunter.io/ios/app/biggerfive/id1570072414)

This app acts as your personal health steward, integrating health data recording, movement tracking, and wearable device control. It synchronizes data with Apple Health, allowing you to monitor and manage your fitness, sleep, and weight goals. Share your achievements and manage family accounts for a comprehensive health overview.

**Highlights:** Health data recording, Movement track recording, Wearable device control, Sleep monitoring, Activity and exercise tracking, Customizable watch dials, Reminder settings, Family account management

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Tracks steps, heart rate, and sleep
- 👍 Good for kids, easy to use
- 🚀 Waterproof and durable
- 👍 Customizable watch faces
- 👍 Encourages physical activity

**What reviewers complain about**

- 🐛 Frequent disconnects from app
- 🐛 Inaccurate step/sleep tracking
- 🐛 Time resets after charging
- 🐛 Login issues, can't log in
- 🔋 Battery drains quickly

**Reported bugs**

- App crashes frequently
- Can't sync multiple devices
- Incorrect time/date display
- Bluetooth connectivity issues
- Login button remains greyed out

**Requested features**

- More watch face options
- Ability to set alarms/reminders
- Sync data with other fitness apps
- Parental controls to limit usage
- Add more sports/activity tracking


### 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 BIGGERFIVE free?

BIGGERFIVE 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, BIGGERFIVE or Fitbit Ace?

Fitbit Ace is rated higher. BIGGERFIVE averages 3.9 out of 5 from 1K ratings, while Fitbit Ace averages 4.1 from 216 ratings.

### Do BIGGERFIVE or Fitbit Ace have ads?

Neither BIGGERFIVE nor Fitbit Ace shows ads.

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

BIGGERFIVE ships an update every 2 months, and Fitbit Ace every 3 weeks. Most recently, BIGGERFIVE was updated on September 22, 2026 and Fitbit Ace on September 22, 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.*