# Fitbit Sync To Apple Health vs CareDoc

The clearest difference is review sentiment: CareDoc at 100% against Fitbit Sync To Apple Health's 38%. CareDoc also leads on in-app purchases (none vs 6) and rating (5.0 vs 4.6). Fitbit Sync To Apple Health's advantage is ratings volume (20K vs 2) and update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Fitbit Sync To Apple Health sells 6 in-app purchases, starting at $4.99 per month. CareDoc asks for nothing beyond the download.

CareDoc holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Fitbit Sync To Apple Health has 20K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 38% of Fitbit Sync To Apple Health's written reviews are positive against 100% of CareDoc's.

Fitbit Sync To Apple Health ships an update fortnightly, CareDoc every 2 months. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Fitbit Sync To Apple Health | CareDoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (20K ratings)](https://appshunter.io/ios/app/fitbit-sync-to-apple-health/id6446337210/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/caredoc/id6450308541/reviews)** |
| Number of ratings | **20K** | 2 |
| Positive reviews | 37.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#185** | — |
| Size | 15 MB | 13 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MPR MEDIA INC](https://appshunter.io/developer/1095065185) | [Massachusetts General Hospital](https://appshunter.io/developer/376928206) |

## What reviewers say

### Fitbit Sync To Apple Health

[App page](https://appshunter.io/ios/app/fitbit-sync-to-apple-health/id6446337210)

**Currently charting:** #185 Top Free · Health & Fitness (US App Store)

This app automatically transfers your health and fitness data from your Fitbit account to the Apple Health app. It supports syncing over 24 different health metrics, creating a centralized hub for all your wellness information without manual entry.

**Highlights:** Automatic Fitbit to Apple Health data transfer, Syncs 24+ health metrics, Consolidates all health data, User-friendly setup, Background data syncing, Syncs historical data

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Lite | $4.99 | per month |
| Monthly | $9.99 | per month |
| Half-Price Surprise | $19.99 | per year |
| Annual Lite | $19.99 | per year |
| Annual | $39.99 | per year |
| Lifetime | $59.99 | one-time |

**What reviewers like**

- 🚀 Accurate and easy syncing
- 🚀 Powerful and efficient
- 👍 Great customer service
- 🚀 Smooth and quick data transfer
- 🚀 Comprehensive data sync

**What reviewers complain about**

- 🐛 Syncing issues and inaccuracies
- 💰 Expensive subscription
- 🐛 Syncing limitations and throttling
- 🐛 Syncing not working as expected

**Reported bugs**

- Syncing stops working after updates
- Syncing duplicates data
- Syncing only works for limited data
- Syncing fails with error messages

**Requested features**

- Sync data to close Apple activity rings
- Improve syncing of Fitbit scale data


### CareDoc

[App page](https://appshunter.io/ios/app/caredoc/id6450308541)

This app collects personalized health research data from participants based on their study. Features vary by study and can include text, audio, video, and chat. Data collected may involve questionnaires, surveys, and smartphone sensor information.

**Highlights:** Personalized research health information, Text, audio, and video recordings, Chat groups for studies, Questionnaires and surveys, Smartphone sensor data collection, Geolocation and activity tracking

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fitbit Sync To Apple Health free?

Fitbit Sync To Apple Health is free to download, with in-app purchases available.

### Is CareDoc free?

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

### Which has better reviews, Fitbit Sync To Apple Health or CareDoc?

CareDoc is rated higher. Fitbit Sync To Apple Health averages 4.6 out of 5 from 20K ratings, while CareDoc averages 5.0 from 2 ratings.

### Do Fitbit Sync To Apple Health or CareDoc have ads?

Neither Fitbit Sync To Apple Health nor CareDoc shows ads.

### Which is updated more often, Fitbit Sync To Apple Health or CareDoc?

Fitbit Sync To Apple Health ships an update fortnightly, and CareDoc every 2 months. Most recently, Fitbit Sync To Apple Health was updated on October 28, 2026 and CareDoc on October 27, 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.*