# ErgData vs SRVO

The clearest difference is rating: ErgData at 4.7 against SRVO's 1.0. ErgData also leads on ratings volume (5.1K vs 1). 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.

ErgData holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: ErgData has 5.1K ratings behind it against 1, so its average is the more settled of the two.

ErgData ships an update every 2 weeks, SRVO every 4 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ErgData | SRVO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.1K ratings)](https://appshunter.io/ios/app/ergdata/id561716382/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/srvo/id6740074594/reviews) |
| Number of ratings | **5.1K** | 1 |
| Positive reviews | 45.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 74 MB | 35 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Concept2, Inc.](https://appshunter.io/developer/446481798) | [Dyaco International Inc.](https://appshunter.io/developer/1100739707) |

## What reviewers say

### ErgData

[App page](https://appshunter.io/ios/app/ergdata/id561716382)

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.

**Highlights:** Custom workout setup, Real-time workout stats, Progress tracking, Sync with Concept2 Logbook, Workout of the Day, Post-workout analysis, Apple Watch compatibility

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 👍 Excellent stats
- 👍 Easy to use
- 👍 Seamless sync with Concept2 logbook
- 👍 Customizable heart rate zones

**What reviewers complain about**

- 🐛 Connection issues with PM5
- 🐛 Unreliable heart rate monitoring
- 🐛 Sync issues with Apple Health
- 🐛 Crashes and data loss
- 🐛 Frequent disconnections

**Reported bugs**

- Workout data not saving
- Heart rate data freezing
- Disconnects during workouts
- Sync issues with Apple Health and Strava
- Login issues and frequent logouts

**Requested features**

- Add friend mode
- Integrate Apple Watch support
- Add manual workout entry
- Implement landscape mode for iPad
- Integrate pace calculator


### SRVO

[App page](https://appshunter.io/ios/app/srvo/id6740074594)

Log, track, and enhance your strength training sessions with this weightlifting application. Review detailed workout summaries, monitor personal records, and visualize your progress over time. It seamlessly integrates with Apple Health to sync your performance data.

**Highlights:** Log strength training sessions, View weight training history, In-depth workout summaries, Track personal records, Monitor progress and gains, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ErgData free?

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

### Is SRVO free?

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

### Which has better reviews, ErgData or SRVO?

ErgData is rated higher. ErgData averages 4.7 out of 5 from 5.1K ratings, while SRVO averages 1.0 from 1 ratings.

### Do ErgData or SRVO have ads?

Neither ErgData nor SRVO shows ads.

### Which is updated more often, ErgData or SRVO?

ErgData ships an update every 2 weeks, and SRVO every 4 weeks. Most recently, ErgData was updated on October 13, 2026 and SRVO on October 9, 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.*