# D1 Training vs Burn

The clearest difference is in-app purchases: D1 Training at none against Burn's 4. D1 Training also leads on iOS requirement (15.1 vs 17.0). Burn's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Burn sells 4 in-app purchases, starting at $5.99 per month. D1 Training asks for nothing beyond the download.

D1 Training ships an update every 2 weeks, Burn every 3 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | D1 Training | Burn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (89 ratings)](https://appshunter.io/ios/app/d1-training/id6511237585/reviews)** | — |
| Number of ratings | **89** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 53 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [D1 Sports Franchise LLC](https://appshunter.io/developer/1462763837) | [Waitery Inc](https://appshunter.io/developer/1597590964) |

## What reviewers say

### D1 Training

[App page](https://appshunter.io/ios/app/d1-training/id6511237585)

Manage your fitness journey with this app designed for athletes. View class and personal training schedules, book sessions, and purchase memberships. Stay updated with announcements and shop for gear.

**Highlights:** View class and personal training schedules, Book classes and PT sessions, Join waitlists for classes, Purchase memberships and class packs, Access D1 announcements and shop gear

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

**In-app purchases:** none


### Burn

[App page](https://appshunter.io/ios/app/burn-ai-calorie-tracker/id6811414740)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Burn Pro Monthly | $5.99 | per month |
| Burn Pro Monthly | $9.99 | per month |
| Burn Pro Annual | $19.99 | per year |
| Burn Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is D1 Training free?

D1 Training is free to download, with no in-app purchases.

### Is Burn free?

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

### Do D1 Training or Burn have ads?

Neither D1 Training nor Burn shows ads.

### Which is updated more often, D1 Training or Burn?

D1 Training ships an update every 2 weeks, and Burn every 3 days. Most recently, D1 Training was updated on October 22, 2026 and Burn on October 25, 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.*