# TNMCalc8 vs DoctLink

The clearest difference is price: DoctLink at Free against TNMCalc8's $6.99. DoctLink also leads on update cadence (every 3 weeks vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

DoctLink is free to download; TNMCalc8 costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TNMCalc8 ships an update every 7 months, DoctLink every 3 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | TNMCalc8 | DoctLink |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 1 MB | 65 MB |
| Requires iOS | 14.0 | 14.0.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [RADLab, K.K.](https://appshunter.io/developer/1555036017) | [DoctLink株式会社](https://appshunter.io/developer/1721293044) |

## What reviewers say

### TNMCalc8

[App page](https://appshunter.io/ios/app/tnmcalc8/id1555191660)

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

**In-app purchases:** none


### DoctLink

[App page](https://appshunter.io/ios/app/doctlink/id6474283637)

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

**In-app purchases:** none


## Frequently asked questions

### Is TNMCalc8 free?

TNMCalc8 costs $6.99, with no in-app purchases.

### Is DoctLink free?

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

### Do TNMCalc8 or DoctLink have ads?

Neither TNMCalc8 nor DoctLink shows ads.

### Which is updated more often, TNMCalc8 or DoctLink?

TNMCalc8 ships an update every 7 months, and DoctLink every 3 weeks. Most recently, TNMCalc8 was updated on October 25, 2026 and DoctLink on October 21, 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.*