# PDF Guru Anki vs AI记忆

The clearest difference is in-app purchases: AI记忆 at none against PDF Guru Anki's 3. AI记忆 also leads on update cadence (every 5 days vs every 3 weeks). PDF Guru Anki's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. PDF Guru Anki sells 3 in-app purchases, starting at $0.99 per month. AI记忆 asks for nothing beyond the download.

PDF Guru Anki ships an update every 3 weeks, AI记忆 every 5 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | PDF Guru Anki | AI记忆 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (14 ratings)](https://appshunter.io/ios/app/pdf-guru-anki/id6740508123/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 240 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [名杰 王](https://appshunter.io/developer/1790215066) | [爽 周](https://appshunter.io/developer/1877823315) |

## What reviewers say

### PDF Guru Anki

[App page](https://appshunter.io/ios/app/pdf-guru-anki/id6740508123)

This app is a multi-functional office and learning assistant. It offers tools for PDF manipulation, efficient Anki card creation from various document types, Anki synchronization, and video note-taking with timestamp integration for a streamlined study process.

**Highlights:** PDF merging, splitting, rotating, encrypting, and converting, Anki card creation from PDFs, Word, Xmind, Markdown, Excel, and WeChat Reading, Batch creation of cloze, Q&A, and multiple-choice Anki cards, Local area network (LAN) sync server for Anki, Video note-taking with timestamp and screenshot insertion, Timestamp-based navigation for video notes, Seamless import of notes into Anki

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $0.99 | per month |
| Annual membership | $6.99 | per year |
| Lifetime Membership | $14.99 | one-time |


### AI记忆

[App page](https://appshunter.io/ios/app/ai-aimemo/id6761813428)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Guru Anki free?

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

### Is AI记忆 free?

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

### Do PDF Guru Anki or AI记忆 have ads?

Neither PDF Guru Anki nor AI记忆 shows ads.

### Which is updated more often, PDF Guru Anki or AI记忆?

PDF Guru Anki ships an update every 3 weeks, and AI记忆 every 5 days. Most recently, PDF Guru Anki was updated on October 24, 2026 and AI记忆 on October 4, 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.*