# PDF Reader vs RV Leveler

The clearest difference is ads: RV Leveler at none against PDF Reader's shown. PDF Reader's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $5.99 per month and RV Leveler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Reader | RV Leveler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/rv-leveler-camper-and-trailer/id6757155908/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 72 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [涛 夏](https://appshunter.io/developer/1689532127) | [林华 曹](https://appshunter.io/developer/1861712786) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-fileconvert/id6746630172)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Member | $5.99 | per month |
| Annual Member | $45.99 | per year |


### RV Leveler

[App page](https://appshunter.io/ios/app/rv-leveler-camper-and-trailer/id6757155908)

This tool simplifies RV leveling with a smart calculator and precision inclinometer. It calculates exact block heights for each tire, protecting your vehicle's frame and refrigerator from damage caused by unlevel parking.

**Highlights:** Precision inclinometer, Smart block calculator, True-Zero calibration, Night cockpit interface, Solo parking mode with audio/haptic feedback, 2-axis pitch and roll detection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RVLeveler Pro LifeTime | $4.99 | one-time |


## Frequently asked questions

### Is PDF Reader free?

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

### Is RV Leveler free?

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

### Do PDF Reader or RV Leveler have ads?

PDF Reader shows ads; RV Leveler does not.

### Which is updated more often, PDF Reader or RV Leveler?

PDF Reader ships an update every 2 months, and RV Leveler every 2 months. Most recently, PDF Reader was updated on October 28, 2026 and RV Leveler 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.*