# Dr.Chat vs PDF Fit

The clearest difference is in-app purchases: Dr.Chat at none against PDF Fit's 7. Dr.Chat also leads on iOS requirement (13.0 vs 26.0). PDF Fit's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. PDF Fit sells 7 in-app purchases, starting at $6.99 per month. Dr.Chat asks for nothing beyond the download.

Dr.Chat ships an update monthly, PDF Fit weekly. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Dr.Chat | PDF Fit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 142 MB | 65 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jawdat Alnagham](https://appshunter.io/developer/1848275475) | [Global Outsource Solutions Pty Ltd](https://appshunter.io/developer/537089926) |

## What reviewers say

### Dr.Chat

[App page](https://appshunter.io/ios/app/drchat/id6754442498)

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

**In-app purchases:** none


### PDF Fit

[App page](https://appshunter.io/ios/app/pdf-fit-workout-tracker/id6758621384)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Fit Pro Monthly | $6.99 | per month |
| PDF Fit Pro Annual | $49.99 | per year |
| 1 PDF import | $1.99 | one-time |
| 3 PDF imports | $4.99 | one-time |
| Program unlock (Pro) | $6.99 | one-time |
| Program unlock | $9.99 | one-time |
| 10 PDF imports | $12.99 | one-time |


## Frequently asked questions

### Is Dr.Chat free?

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

### Is PDF Fit free?

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

### Do Dr.Chat or PDF Fit have ads?

Neither Dr.Chat nor PDF Fit shows ads.

### Which is updated more often, Dr.Chat or PDF Fit?

Dr.Chat ships an update monthly, and PDF Fit weekly. Most recently, Dr.Chat was updated on October 25, 2026 and PDF Fit on October 11, 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.*