# CNTD vs Core30

The clearest difference is in-app purchases: CNTD at none against Core30's 3. CNTD also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). Core30's advantage is update cadence (every 8 days vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. Core30 sells 3 in-app purchases, starting at $2.99 per 7 days. CNTD asks for nothing beyond the download.

CNTD ships an update every 5 weeks, Core30 every 8 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CNTD | Core30 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/core30-ab-and-core-workout/id6745766720/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 170 MB | 9 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou Wanjia Electric Co., Ltd.](https://appshunter.io/developer/1411138650) | [Gruffydd Johnston](https://appshunter.io/developer/1651486785) |

## What reviewers say

### CNTD

[App page](https://appshunter.io/ios/app/cntd/id1472136948)

Monitor your eBike's battery, speed, and location. Optimize rides with heart rate-based motor assistance and plan routes with real-time traffic. Share your cycling activities and find nearby dealers for maintenance.

**Highlights:** eBike status monitoring (battery, speed, location), Heart rate training with automatic assistance adjustment, eBike dealer locator, Route navigation with real-time traffic, Share ride activity data, Dark theme option, Apple Watch support

**Features:** macOS Compatibility

**In-app purchases:** none


### Core30

[App page](https://appshunter.io/ios/app/core30-ab-and-core-workout/id6745766720)

Build a stronger core with quick, effective workouts designed for busy schedules. Featuring 5-10 minute routines and 30-second exercises, this app helps you improve stability and strength. Track your progress and sync with Apple Health for a complete fitness overview.

**Highlights:** Quick 5-10 minute workouts, 30-second timed exercises, Workouts for all fitness levels, No equipment required, Progress tracking, Apple Health integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Annual | $14.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is CNTD free?

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

### Is Core30 free?

Core30 is free to download, with in-app purchases available.

### Do CNTD or Core30 have ads?

Neither CNTD nor Core30 shows ads.

### Which is updated more often, CNTD or Core30?

CNTD ships an update every 5 weeks, and Core30 every 8 days. Most recently, CNTD was updated on November 3, 2026 and Core30 on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*