# PDF Highlighter vs Until

The clearest difference is price: Until at Free against PDF Highlighter's $1.99. Until also leads on update cadence (daily vs every 5 weeks). PDF Highlighter's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment, device support and iOS requirement there is nothing between them.

Until is free to download; PDF Highlighter costs $1.99 up front. Until sells 2 in-app purchases, starting at $0.99 per month. PDF Highlighter asks for nothing beyond the download.

PDF Highlighter ships an update every 5 weeks, Until daily. Both last shipped on October 3, 2026.

## The numbers

| Metric | PDF Highlighter | Until |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/until-countdown-and-widgets/id6816584736/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 7 MB | 42 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Taptix Ltd](https://appshunter.io/developer/284848263) | [Next App Factory LLC](https://appshunter.io/developer/6779517529) |

## What reviewers say

### PDF Highlighter

[App page](https://appshunter.io/ios/app/pdf-highlighter/id6742075741)

Effortlessly highlight key information in PDF documents with custom colors and multiple search terms. This tool automates the highlighting process, saving time for professionals and students alike. Export or print your annotated PDFs with ease.

**Highlights:** Automatic highlighting of words and phrases, Multiple highlight colors, Supports multiple search terms, Regular expression support for advanced searches, Export and print highlighted documents, Direct sharing from other apps

**Features:** Vision Pro support

**In-app purchases:** none


### Until

[App page](https://appshunter.io/ios/app/until-countdown-and-widgets/id6816584736)

This app helps you count down to important events with customizable widgets and reminders. It also assists in preparing for these moments with milestone tracking and checklists, all while prioritizing user privacy.

**Highlights:** Time zone-aware countdowns, Home and Lock Screen widgets, Milestone tracking and checklists, Privacy-focused, no account needed, Customizable photo covers, Light and dark mode support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Until Pro Monthly | $0.99 | per month |
| Until Pro Yearly | $4.99 | per year |


## Frequently asked questions

### Is PDF Highlighter free?

PDF Highlighter costs $1.99, with no in-app purchases.

### Is Until free?

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

### Do PDF Highlighter or Until have ads?

Until shows ads; PDF Highlighter does not.

### Which is updated more often, PDF Highlighter or Until?

PDF Highlighter ships an update every 5 weeks, and Until daily. Most recently, PDF Highlighter was updated on October 3, 2026 and Until on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*