# Memento Database vs PDF Scanner

The clearest difference is in-app purchases: PDF Scanner at none against Memento Database's 10. PDF Scanner also leads on update cadence (monthly vs every 3 months) and iOS requirement (15.0 vs 17.6). Memento Database's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Memento Database sells 10 in-app purchases, starting at $3.99 per month. PDF Scanner asks for nothing beyond the download.

Memento Database ships an update every 3 months, PDF Scanner monthly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Memento Database | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (308 ratings)](https://appshunter.io/ios/app/memento-database/id1583610478/reviews)** | — |
| Number of ratings | **308** | — |
| Positive reviews | 57.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 30 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MementoDB Inc.](https://appshunter.io/developer/1583610480) | [AQUAWOOD PTE. LTD.](https://appshunter.io/developer/1774212005) |

## What reviewers say

### Memento Database

[App page](https://appshunter.io/ios/app/memento-database/id1583610478)

Organize and manage any type of information with customizable databases. Adaptable for personal lists, business management, and research, it offers a flexible alternative to spreadsheets and specialized apps. Features include offline access, cloud syncing, and an AI assistant for effortless data structuring.

**Highlights:** Customizable database creation, AI Assistant for data structuring, Offline data management, Cloud synchronization, Teamwork with access control, Desktop access for Mac/PC, Extensive field types

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite | $3.99 | per month |
| Pro | $7.99 | per month |
| Pro Plus | $11.99 | per month |
| Team 5 | $29.99 | per month |
| Lite | $35.99 | per year |
| Team 10 | $59.99 | per month |
| Pro | $71.99 | per year |
| Pro Plus | $107.99 | per year |
| Team 5 | $299.99 | per year |
| Team 10 | $599.99 | per year |

**What reviewers like**

- 👍 Easy to use and operate
- 👍 Smooth and professional interface
- 👍 Great for organizing collections
- 👍 Flexible and capable app
- 👍 Useful for various tracking needs

**What reviewers complain about**

- 💰 Expensive long-term cost
- 🐛 No decent way to back up photos
- 🐛 Backup and restore doesn't work for photos
- 🐛 Import doesn't work for photos
- 🐛 Unethical pricing changes

**Reported bugs**

- Add new selection list items bug
- Add field window disappears too quickly
- App crashes on opening
- App crashes multiple times during every use on iOS
- App keeps crashing on Apple tablet

**Requested features**

- Add shade name for color field
- Add autocomplete for tags
- Edit background color for iOS app
- Add folder system for databases
- Add wizard on iOS


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-doc-scanner/id6760245011)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memento Database free?

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

### Is PDF Scanner free?

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

### Do Memento Database or PDF Scanner have ads?

PDF Scanner shows ads; Memento Database does not.

### Which is updated more often, Memento Database or PDF Scanner?

Memento Database ships an update every 3 months, and PDF Scanner monthly. Most recently, Memento Database was updated on October 5, 2026 and PDF Scanner on October 7, 2026.

---

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