# DocLens vs LiLog

The clearest difference is update cadence: DocLens at every 3 weeks against LiLog's every 2 months. LiLog's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DocLens sells 4 in-app purchases, starting at $3.99 per month and LiLog sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

DocLens ships an update every 3 weeks, LiLog every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DocLens | LiLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 7 MB | 31 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [军 景](https://appshunter.io/developer/1556559686) | [日娃 好](https://appshunter.io/developer/6775317544) |

## What reviewers say

### DocLens

[App page](https://appshunter.io/ios/app/doclens-pdf-analysis-and-markup/id6759702011)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocLens Pro (Monthly) | $3.99 | per month |
| DocLens Pro (Yearly) | $29.99 | per year |
| DocLens Pro 10-Times Card | $1.99 | one-time |
| DocLens Pro 20-Times Card | $2.99 | one-time |


### LiLog

[App page](https://appshunter.io/ios/app/lilog-can-log-analyzer/id6775321586)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LiLog | $6.99 | per month |
| LiLog | $49.99 | one-time |


## Frequently asked questions

### Is DocLens free?

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

### Is LiLog free?

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

### Do DocLens or LiLog have ads?

Neither DocLens nor LiLog shows ads.

### Which is updated more often, DocLens or LiLog?

DocLens ships an update every 3 weeks, and LiLog every 2 months. Most recently, DocLens was updated on October 25, 2026 and LiLog on October 31, 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.*