# CircleFit vs D7 App

The clearest difference is in-app purchases: CircleFit at none against D7 App's 8. CircleFit also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. D7 App sells 8 in-app purchases, starting at $2.99 per month. CircleFit asks for nothing beyond the download.

CircleFit ships an update every 2 months, D7 App every 6 weeks. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CircleFit | D7 App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 57 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CircleCloud Co., Ltd.](https://appshunter.io/developer/1542725551) | [Vincent Lui](https://appshunter.io/developer/1453276396) |

## What reviewers say

### CircleFit

[App page](https://appshunter.io/ios/app/circlefit/id1088266321)

Track your fitness progress with detailed workout reports and body metrics. Save custom training plans and sync with popular outdoor apps. Stay updated on gym news and class schedules.

**Highlights:** Create and save target training workouts, Detailed workout progress reports, Monitor body metrics, Gym bulletin board and calendar, Integration with popular outdoor apps, Share workout results to social media

**Features:** macOS Compatibility

**In-app purchases:** none


### D7 App

[App page](https://appshunter.io/ios/app/d7-app/id6784972379)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| D7 BFF | $2.99 | per month |
| D7 BFF (Annual) | $24.99 | per year |
| DCoin x 5 | $0.49 | one-time |
| DCoin x 10 | $0.99 | one-time |
| DCoin x 20 | $2.99 | one-time |
| DCoin x 50 | $5.99 | one-time |
| DCoin x 100 | $12.99 | one-time |
| DCoin x 1000 | $129.99 | one-time |


## Frequently asked questions

### Is CircleFit free?

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

### Is D7 App free?

D7 App is free to download, with in-app purchases available.

### Do CircleFit or D7 App have ads?

Neither CircleFit nor D7 App shows ads.

### Which is updated more often, CircleFit or D7 App?

CircleFit ships an update every 2 months, and D7 App every 6 weeks. Most recently, CircleFit was updated on October 16, 2026 and D7 App on October 8, 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.*