# vHIT96da vs Pupillary Distance

The clearest difference is price: vHIT96da at Free against Pupillary Distance's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

vHIT96da is free to download; Pupillary Distance costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

vHIT96da ships an update every 11 days, Pupillary Distance every 9 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | vHIT96da | Pupillary Distance |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 9 days** |
| Size | 5 MB | 1 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Kuroda ENT Clinic](https://appshunter.io/developer/1369699677) | [My Call Bag LLC](https://appshunter.io/developer/1243282862) |

## What reviewers say

### vHIT96da

[App page](https://appshunter.io/ios/app/vhit96da/id1369699678)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pupillary Distance

[App page](https://appshunter.io/ios/app/pupillary-distance/id6605920571)

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

**In-app purchases:** none


## Frequently asked questions

### Is vHIT96da free?

vHIT96da is free to download, with no in-app purchases.

### Is Pupillary Distance free?

Pupillary Distance costs $1.99, with no in-app purchases.

### Do vHIT96da or Pupillary Distance have ads?

Neither vHIT96da nor Pupillary Distance shows ads.

### Which is updated more often, vHIT96da or Pupillary Distance?

vHIT96da ships an update every 11 days, and Pupillary Distance every 9 days. Most recently, vHIT96da was updated on October 9, 2026 and Pupillary Distance on October 24, 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.*