# Simple Calendar & Diary vs Chart Maker

The clearest difference is update cadence: Simple Calendar & Diary at every 3 weeks against Chart Maker's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Simple Calendar & Diary ships an update every 3 weeks, Chart Maker every 6 weeks. Both last shipped on September 20, 2026.

## The numbers

| Metric | Simple Calendar & Diary | Chart Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (37 ratings)](https://appshunter.io/ios/app/chart-maker-graph-create-app/id1615941285/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Ad-supported |
| Size | 11 MB | 62 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuichi HARA](https://appshunter.io/developer/538530212) | [Taro Horiguchi](https://appshunter.io/developer/1035108482) |

## What reviewers say

### Simple Calendar & Diary

[App page](https://appshunter.io/ios/app/simple-calendar-and-diary/id1383507802)

**Features:** Vision Pro support

**In-app purchases:** none


### Chart Maker

[App page](https://appshunter.io/ios/app/chart-maker-graph-create-app/id1615941285)

Easily generate line, pie, and bar graphs from your data. This tool also functions as a simple spreadsheet creator, making it a versatile option for organizing information and visualizing trends.

**Highlights:** Line graph creation, Pie chart generation, Bar graph visualization, Spreadsheet functionality, Data organization

**In-app purchases:** none


## Frequently asked questions

### Is Simple Calendar & Diary free?

Simple Calendar & Diary is free to download, with no in-app purchases.

### Is Chart Maker free?

Chart Maker is free to download, with no in-app purchases.

### Do Simple Calendar & Diary or Chart Maker have ads?

Both Simple Calendar & Diary and Chart Maker show ads.

### Which is updated more often, Simple Calendar & Diary or Chart Maker?

Simple Calendar & Diary ships an update every 3 weeks, and Chart Maker every 6 weeks. Most recently, Simple Calendar & Diary was updated on September 20, 2026 and Chart Maker on September 20, 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.*