# I AM Strength vs TDFit

The clearest difference is in-app purchases: TDFit at none against I AM Strength's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. I AM Strength sells 2 in-app purchases, starting at $23.00 per month. TDFit asks for nothing beyond the download.

I AM Strength ships an update every 3 weeks, TDFit every 5 weeks. The most recent releases landed on September 15, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | I AM Strength | TDFit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 68 MB | 61 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [I AM HEALTH & STRENGTH COACHING L.L.C](https://appshunter.io/developer/1724321674) | [Teodora Dunja Stepanovic](https://appshunter.io/developer/1834141723) |

## What reviewers say

### I AM Strength

[App page](https://appshunter.io/ios/app/i-am-strength/id6475599072)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| I AM Strength Premium Month | $23.00 | per month |
| I AM Strength Premium Year | $99.99 | per year |


### TDFit

[App page](https://appshunter.io/ios/app/tdfit/id6751233566)

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

**In-app purchases:** none


## Frequently asked questions

### Is I AM Strength free?

I AM Strength is free to download, with in-app purchases available.

### Is TDFit free?

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

### Do I AM Strength or TDFit have ads?

Neither I AM Strength nor TDFit shows ads.

### Which is updated more often, I AM Strength or TDFit?

I AM Strength ships an update every 3 weeks, and TDFit every 5 weeks. Most recently, I AM Strength was updated on September 15, 2026 and TDFit on September 7, 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.*