# Notes Buddy Kit vs PaperDue

The clearest difference is in-app purchases: Notes Buddy Kit at none against PaperDue's 1. PaperDue's advantage is update cadence (weekly vs every 2 months) and iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. PaperDue sells 1 one-off in-app purchase. Notes Buddy Kit asks for nothing beyond the download.

Notes Buddy Kit ships an update every 2 months, PaperDue weekly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Notes Buddy Kit | PaperDue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/paperdue-deadline-tracker/id6761820921/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free |
| Size | 9 MB | 3 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ally Msuo](https://appshunter.io/developer/1847418618) | [梓豪 朱](https://appshunter.io/developer/1891542786) |

## What reviewers say

### Notes Buddy Kit

[App page](https://appshunter.io/ios/app/notes-buddy-kit/id6755381570)

**In-app purchases:** none


### PaperDue

[App page](https://appshunter.io/ios/app/paperdue-deadline-tracker/id6761820921)

Never miss a crucial submission deadline for AI research conferences. This app provides live countdowns, smart notifications, and conference rankings to help academics stay organized and focused on their work.

**Highlights:** Live countdown tracker for hundreds of conferences, Smart reminder notifications, CORE & CCF conference rankings, Dynamic Island countdown ticker, Home & Lock Screen widgets, Timeline & calendar view, Multi-timezone support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PaperDue Pro | $1.99 | one-time |


## Frequently asked questions

### Is Notes Buddy Kit free?

Notes Buddy Kit is free to download, with no in-app purchases.

### Is PaperDue free?

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

### Do Notes Buddy Kit or PaperDue have ads?

Neither Notes Buddy Kit nor PaperDue shows ads.

### Which is updated more often, Notes Buddy Kit or PaperDue?

Notes Buddy Kit ships an update every 2 months, and PaperDue weekly. Most recently, Notes Buddy Kit was updated on September 30, 2026 and PaperDue on October 5, 2026.

---

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