# PDF Universal vs LookNum

The clearest difference is update cadence: PDF Universal at every 2 days against LookNum's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Universal sells 1 one-off in-app purchase and LookNum sells 10 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Universal ships an update every 2 days, LookNum every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Universal | LookNum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.2 (19 ratings)](https://appshunter.io/ios/app/looknum-family-gps-tracker/id6743624532/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | — | 15.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 123 MB |
| Requires iOS | **13.0** | 14.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AMARDEEP DHILLON](https://appshunter.io/developer/999752727) | [Zenith Media Limited](https://appshunter.io/developer/1802883601) |

## What reviewers say

### PDF Universal

[App page](https://appshunter.io/ios/app/pdf-universal/id6499565745)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### LookNum

[App page](https://appshunter.io/ios/app/looknum-family-gps-tracker/id6743624532)

This app provides real-time GPS tracking for families and friends. It offers live location sharing, geofencing alerts, and location history to ensure loved ones are safe and connected. Users can also monitor device health and control who sees their location.

**Highlights:** Live GPS location sharing, Geofence alerts, Location history, Device health monitoring, Privacy controls

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $9.99 | per 7 days |
| Weekly Premium | $19.99 | per 7 days |
| Weekly Premium | $24.99 | per 7 days |
| Yearly Premium | $24.99 | per year |
| Yearly Premium | $29.99 | per year |
| Yearly Premium | $34.99 | per year |
| Life Time Premium | $34.99 | one-time |
| Life Time Premium | $39.99 | one-time |
| Life Time Premium | $44.99 | one-time |
| Life Time Premium | $49.99 | one-time |


## Frequently asked questions

### Is PDF Universal free?

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

### Is LookNum free?

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

### Do PDF Universal or LookNum have ads?

Both PDF Universal and LookNum show ads.

### Which is updated more often, PDF Universal or LookNum?

PDF Universal ships an update every 2 days, and LookNum every 9 days. Most recently, PDF Universal was updated on October 25, 2026 and LookNum 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.*