ErgData vs FITLOG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ErgData
This app acts as a personal training partner for Concept2 equipment. It allows users to set up custom workouts, view real-time stats, track progress, and sync data with online platforms. It also offers workout of the day challenges and detailed post-workout analysis.
- Custom workout setup
- Real-time workout stats
- Progress tracking
- Sync with Concept2 Logbook
- Workout of the Day
- Post-workout analysis
- Apple Watch compatibility
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ErgData from Concept2 is your personal training partner. Set up workouts from your phone or tablet, view customized stats and information during workouts, track your progress, sync with the Concept2 Online Logbook, take part in the Workout of the Day and much more. Features -Set up workouts from your phone, making it simple to create even the most complex of interval workouts. You can choose to store workouts as favorites or rerow past efforts straight from ErgData. -Set the Concept2 Workout of the Day on the monitor with a single tap. -Compatible with the Apple Watch. Watch users can now see real-time heart rate data on the screen during the workout and in analysis afterwards. -Choose from different workout display options, including small, medium and large data screens, a pace graph screen, an interval and split table or a pace boat. Easily swipe between screens during your workout. Customize the data shown to suit you. -Syncs with the Concept2 Online Logbook, making it easy for you to take part in our many challenges. From the Online Logbook, your workouts can get sent to platforms such as Strava, Garmin Connect or Training Peaks. -Detailed post-workout analysis helps you know exactly what happened during your workout. See all your interval and split data, as well as pace and rate graphs, plus how long you spent in each heart rate zone. -Optional voice guidance to send audible workout data and results. Technical Specifications -Compatible with the PM5. -Compatible with the Concept2 RowErg, SkiErg and BikeErg -Connects to Apple Health -Connects to PM5 via Bluetooth only Note: Please do not have a USB stick in the PM5 at the same time as using ErgData, as this may prevent workouts being saved.
FITLOG
This app connects to exercise equipment via Bluetooth to track your workouts. It offers various training modes and includes video tutorials for using sports gear correctly. Supports multiple languages and regions.
- Bluetooth equipment connection
- Combination training mode
- Movement training mode
- Free training mode
- Video exercise tutorials
- Multi-language support
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Combined with small equipment and aerobic equipment, the exercise data is obtained through Bluetooth connection. The main functions include: combination training, movement training, free training and other modes; App supports multi language switching; Combined with video tutorials such as rope skipping, fascia gun, belly wheel and push up support, online teaching users how to use sports equipment correctly. App supports domestic and foreign language switching, region switching, etc.
Screenshots
Verdict
The clearest difference is review sentiment: ErgData at 45% against FITLOG's 0%. ErgData also leads on rating (4.7 vs 2.2) and ratings volume (5.1K vs 11). FITLOG's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ErgData holds the better App Store score, 4.7 against 2.2. That said, the two scores are not equally well evidenced: ErgData has 5.1K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 45% of ErgData's written reviews are positive against 0% of FITLOG's.
ErgData ships an update every 2 weeks, FITLOG every 5 weeks. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.
| Parameter | ErgData | FITLOG |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (5.1K ratings) — better | 2.2 (11 ratings) |
| Positive reviews | 45.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 5.1K — better | 11 |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Concept2, Inc. | thinkfit |
Customer experience
ErgData
FITLOG
Bugs and requests
ErgData
Reported bugs
6 issues- Workout data not saving
- Heart rate data freezing
- Disconnects during workouts
- Sync issues with Apple Health and Strava
- Login issues and frequent logouts
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- Incompatibility with older firmware versions
Requested features
8 requests- Add friend mode
- Integrate Apple Watch support
- Add manual workout entry
- Implement landscape mode for iPad
- Integrate pace calculator
Show 3 moreShow fewer
- Add recovery heart rate tracking
- Display METS data
- Allow custom heart rate zones in logbook
FITLOG
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ErgData
No in-app purchases
FITLOG
No in-app purchases
