# OneAnswerAI vs DocLens Pro

The clearest difference is update cadence: DocLens Pro at every 3 days against OneAnswerAI's every 9 days. OneAnswerAI's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OneAnswerAI sells 7 in-app purchases, starting at $5.99 per 7 days and DocLens Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OneAnswerAI ships an update every 9 days, DocLens Pro every 3 days. The most recent releases landed on September 21, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | OneAnswerAI | DocLens Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doclens-pro/id6760688576/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 16 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [VALENTINO PAULON](https://appshunter.io/developer/1861136644) | [Gustavo Venzon](https://appshunter.io/developer/1880022947) |

## What reviewers say

### OneAnswerAI

[App page](https://appshunter.io/ios/app/oneanswerai/id6756519049)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $5.99 | per 7 days |
| Monthly Pro | $17.99 | per month |
| 10 Text Queries | $0.99 | one-time |
| 5 Text + 1 Media | $1.99 | one-time |
| 5 Media Queries | $1.99 | one-time |
| 50 Text Queries | $3.99 | one-time |
| 100 Text Queries | $6.99 | one-time |


### DocLens Pro

[App page](https://appshunter.io/ios/app/doclens-pro/id6760688576)

This app provides a comprehensive suite of tools for managing documents on mobile devices. It allows users to scan, convert, sign, protect, and organize various file types, streamlining workflows for professionals and students alike.

**Highlights:** Advanced document scanning with auto-detection and correction, Comprehensive PDF reader with annotation and search, Versatile file conversion to and from PDF, Word, Excel, and images, Digital signature creation and application, Robust security features including password and biometric protection, Efficient document organization with folders and swipe actions, OCR text extraction and translation capabilities

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DocLens Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is OneAnswerAI free?

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

### Is DocLens Pro free?

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

### Do OneAnswerAI or DocLens Pro have ads?

Neither OneAnswerAI nor DocLens Pro shows ads.

### Which is updated more often, OneAnswerAI or DocLens Pro?

OneAnswerAI ships an update every 9 days, and DocLens Pro every 3 days. Most recently, OneAnswerAI was updated on September 21, 2026 and DocLens Pro on September 1, 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.*