# Daily Graph Notes Diary vs Zeno PDF

The clearest difference is rating: Zeno PDF at 4.7 against Daily Graph Notes Diary's 3.9. Zeno PDF also leads on ads (none vs shown) and review sentiment (84% vs 50%). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zeno PDF holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Zeno PDF has 667 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 50% of Daily Graph Notes Diary's written reviews are positive against 84% of Zeno PDF's.

Daily Graph Notes Diary ships an update every 19 months, Zeno PDF every 4 weeks. The most recent releases landed on August 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Daily Graph Notes Diary | Zeno PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/daily-graph-notes-diary/id640058891/reviews) | **[4.7 (667 ratings)](https://appshunter.io/ios/app/zeno-pdf/id6446891352/reviews)** |
| Number of ratings | 9 | **667** |
| Positive reviews | 50.0% of reviews | **83.9% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 4 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 14 MB | 60 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Guangzhou Kangyimei Network Technology Co., Ltd.](https://appshunter.io/developer/1614230493) |

## What reviewers say

### Daily Graph Notes Diary

[App page](https://appshunter.io/ios/app/daily-graph-notes-diary/id640058891)

This app allows users to easily record daily numerical data and create visual graphs. It functions as a simple diary with one-line notes and daily comments, perfect for tracking time-series measurements. Users can customize the start day of the week.

**Highlights:** Record daily numbers, Display data as graphs, One-line daily notes, Daily comment diary entry, Time-series measurement tracking, Customizable start day of the week

**Features:** Vision Pro support

**In-app purchases:** none


### Zeno PDF

[App page](https://appshunter.io/ios/app/zeno-pdf/id6446891352)

Transform your phone into a powerful scanner to create high-quality PDF or JPG documents. Edit recognized text, merge multiple pages, and convert images to PDF. This app offers a multifunctional scanning and reading experience to boost your daily productivity.

**Highlights:** High-quality PDF/JPG scanning, Editable recognized characters, Document merging and splitting, Multi-page PDF creation, Image to PDF conversion, PDF sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Daily Graph Notes Diary free?

Daily Graph Notes Diary is free to download, with no in-app purchases.

### Is Zeno PDF free?

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

### Which has better reviews, Daily Graph Notes Diary or Zeno PDF?

Zeno PDF is rated higher. Daily Graph Notes Diary averages 3.9 out of 5 from 9 ratings, while Zeno PDF averages 4.7 from 667 ratings.

### Do Daily Graph Notes Diary or Zeno PDF have ads?

Daily Graph Notes Diary shows ads; Zeno PDF does not.

### Which is updated more often, Daily Graph Notes Diary or Zeno PDF?

Daily Graph Notes Diary ships an update every 19 months, and Zeno PDF every 4 weeks. Most recently, Daily Graph Notes Diary was updated on August 16, 2026 and Zeno PDF on September 30, 2026.

---

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