# PDF Size Compressor vs TillRing

The clearest difference is price: TillRing at Free against PDF Size Compressor's $3.99. TillRing also leads on update cadence (monthly vs every 23 months). PDF Size Compressor's advantage is iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

TillRing is free to download; PDF Size Compressor costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDF Size Compressor ships an update every 23 months, TillRing monthly. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | PDF Size Compressor | TillRing |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pdf-size-compressor/id1492882681/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Monthly** |
| Monetization | Paid | — |
| Size | 35 MB | 40 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nikhil Anshuman](https://appshunter.io/developer/1457142582) | [Bijees Raj](https://appshunter.io/developer/1610165345) |

## What reviewers say

### PDF Size Compressor

[App page](https://appshunter.io/ios/app/pdf-size-compressor/id1492882681)

Reduce the size of PDF files while maintaining good quality. This app helps save storage space, speed up uploads and downloads, and keep email attachments within limits. It offers multiple compression options, including converting to grayscale.

**Highlights:** Compress PDF files, Reduce file size, Maintain good quality, Email PDFs easily, Faster uploads/downloads, Convert to grayscale, Save disk storage

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

**In-app purchases:** none


### TillRing

[App page](https://appshunter.io/ios/app/tillring/id6477799182)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Size Compressor free?

PDF Size Compressor costs $3.99, with no in-app purchases.

### Is TillRing free?

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

### Do PDF Size Compressor or TillRing have ads?

Neither PDF Size Compressor nor TillRing shows ads.

### Which is updated more often, PDF Size Compressor or TillRing?

PDF Size Compressor ships an update every 23 months, and TillRing monthly. Most recently, PDF Size Compressor was updated on October 16, 2026 and TillRing on September 28, 2026.

---

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