# Bookil vs SoloPDF

The clearest difference is update cadence: Bookil at fortnightly against SoloPDF's monthly. SoloPDF's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bookil ships an update fortnightly, SoloPDF monthly. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Bookil | SoloPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 2 MB | 14 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Labee LLC](https://appshunter.io/developer/1745874776) | [向东 李](https://appshunter.io/developer/1885418034) |

## What reviewers say

### Bookil

[App page](https://appshunter.io/ios/app/bookil-pdf-library-and-reader/id6475175265)

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

**In-app purchases:** none


### SoloPDF

[App page](https://appshunter.io/ios/app/solopdf/id6787712953)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bookil free?

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

### Is SoloPDF free?

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

### Do Bookil or SoloPDF have ads?

Neither Bookil nor SoloPDF shows ads.

### Which is updated more often, Bookil or SoloPDF?

Bookil ships an update fortnightly, and SoloPDF monthly. Most recently, Bookil was updated on September 13, 2026 and SoloPDF on September 24, 2026.

---

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