# ivySCI vs Cadence Maintenance Log

The clearest difference is iOS requirement: ivySCI at 15.5 against Cadence Maintenance Log's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ivySCI sells 3 in-app purchases, starting at $2.99 per month and Cadence Maintenance Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ivySCI | Cadence Maintenance Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/ivysci/id1600901406/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Freemium | — |
| Size | 66 MB | 2 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing IvyScience Information Technology Co., Ltd.](https://appshunter.io/developer/1600901408) | [Yuki Konda](https://appshunter.io/developer/1016233334) |

## What reviewers say

### ivySCI

[App page](https://appshunter.io/ios/app/ivysci/id1600901406)

This app helps researchers manage and read scientific papers efficiently. It automatically extracts metadata, offers AI-assisted reading and proofreading, and allows for easy note-taking and citation integration with word processors.

**Highlights:** Automatic PDF metadata identification, AI-assisted reading and Q&A, Built-in translation and dictionary, Reference extraction and download, Image extraction and side-by-side viewing, Cloud-synced notes across devices, Word processor citation plugin

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ivySCI VIP Monthly Service | $2.99 | per month |
| Annual VIP Subscription | $29.99 | per year |
| Annual AI Pro Subscription | $39.99 | per year |


### Cadence Maintenance Log

[App page](https://appshunter.io/ios/app/cadence-maintenance-log/id6762250029)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cadence Pro | $4.99 | one-time |


## Frequently asked questions

### Is ivySCI free?

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

### Is Cadence Maintenance Log free?

Cadence Maintenance Log is free to download, with in-app purchases available.

### Do ivySCI or Cadence Maintenance Log have ads?

Neither ivySCI nor Cadence Maintenance Log shows ads.

---

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