# Heft vs TRAINDOO 2.0

The clearest difference is in-app purchases: TRAINDOO 2.0 at none against Heft's 4. TRAINDOO 2.0 also leads on iOS requirement (15.6 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Heft sells 4 in-app purchases, starting at $5.99 per month. TRAINDOO 2.0 asks for nothing beyond the download.

Heft ships an update every 11 days, TRAINDOO 2.0 every 2 weeks. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Heft | TRAINDOO 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/heft-workout-strength-tracker/id1638624924/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 139 MB | 110 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kubasov, Kumbartzky & Vinnbruch GbR](https://appshunter.io/developer/1666645852) | [nutrilize GmbH](https://appshunter.io/developer/1521442832) |

## What reviewers say

### Heft

[App page](https://appshunter.io/ios/app/heft-workout-strength-tracker/id1638624924)

Log and analyze your workouts with this comprehensive fitness diary. Track exercises, sets, reps, and weights, create custom routines, and gain insights into your progress. Connect with a supportive community and integrate with wearables for a complete fitness overview.

**Highlights:** Workout logging, Customizable routines, Progress analysis, Exercise library with instructions, Wearable integration, Community support

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heft Premium Monthly | $5.99 | per month |
| Heft Premium 1 Year | $19.99 | per year |
| Heft - One Time Payment | $44.99 | one-time |
| Heft - One Time Payment | $99.99 | one-time |


### TRAINDOO 2.0

[App page](https://appshunter.io/ios/app/traindoo-20/id6599855739)

**In-app purchases:** none


## Frequently asked questions

### Is Heft free?

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

### Is TRAINDOO 2.0 free?

TRAINDOO 2.0 is free to download, with no in-app purchases.

### Do Heft or TRAINDOO 2.0 have ads?

Neither Heft nor TRAINDOO 2.0 shows ads.

### Which is updated more often, Heft or TRAINDOO 2.0?

Heft ships an update every 11 days, and TRAINDOO 2.0 every 2 weeks. Most recently, Heft was updated on September 23, 2026 and TRAINDOO 2.0 on September 19, 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.*