# ErgData vs Go Daisy

The clearest difference is in-app purchases: ErgData at none against Go Daisy's 3. ErgData also leads on update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Go Daisy sells 3 one-off in-app purchases. ErgData asks for nothing beyond the download.

ErgData ships an update fortnightly, Go Daisy every 3 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ErgData | Go Daisy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.2K ratings)](https://appshunter.io/ios/app/ergdata/id561716382/reviews)** | — |
| Number of ratings | **6.2K** | — |
| Positive reviews | 47.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 75 MB | 34 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Concept2, Inc.](https://appshunter.io/developer/446481798) | [Fly Industries Ltd](https://appshunter.io/developer/1851495069) |

## What reviewers say

### ErgData

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

This training partner app allows you to set up and track workouts from your phone or tablet. View customized stats, monitor progress, and sync data with your Concept2 Online Logbook. It offers detailed post-workout analysis and optional voice guidance.

**Highlights:** Workout setup and customization, Real-time workout stats, Progress tracking, Sync with Concept2 Logbook, Post-workout analysis, Optional voice guidance, 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


### Go Daisy

[App page](https://appshunter.io/ios/app/go-daisy-weather-for-doing/id6755695873)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy us a coffee please | $1.99 | one-time |
| Cheers! | $5.99 | one-time |
| Give us a boost! | $11.99 | one-time |


## Frequently asked questions

### Is ErgData free?

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

### Is Go Daisy free?

Go Daisy is free to download, with in-app purchases available.

### Do ErgData or Go Daisy have ads?

Neither ErgData nor Go Daisy shows ads.

### Which is updated more often, ErgData or Go Daisy?

ErgData ships an update fortnightly, and Go Daisy every 3 months. Most recently, ErgData was updated on November 5, 2026 and Go Daisy on October 30, 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.*