# HachiCalendar2 Pro vs ShapeInfo Plus

The clearest difference is rating: ShapeInfo Plus at 4.6 against HachiCalendar2 Pro's 3.5. ShapeInfo Plus also leads on in-app purchases (none vs 2) and review sentiment (68% vs 50%). HachiCalendar2 Pro's advantage is update cadence (fortnightly vs every 6 months). On ratings volume, ads and device support there is nothing between them.

HachiCalendar2 Pro costs $1.99 and ShapeInfo Plus $0.99 up front. HachiCalendar2 Pro sells 2 one-off in-app purchases. ShapeInfo Plus asks for nothing beyond the download.

ShapeInfo Plus holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 22 and 31 respectively. Written reviews point the same way: 50% of HachiCalendar2 Pro's written reviews are positive against 68% of ShapeInfo Plus's.

HachiCalendar2 Pro ships an update fortnightly, ShapeInfo Plus every 6 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | HachiCalendar2 Pro | ShapeInfo Plus |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [3.5 (22 ratings)](https://appshunter.io/ios/app/hachicalendar2-pro/id380105927/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/shapeinfo-plus/id983851989/reviews)** |
| Number of ratings | 22 | **31** |
| Positive reviews | 49.7% of reviews | **67.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 28 MB | 11 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [加明 严](https://appshunter.io/developer/372968860) | [Noriyasu Kutsuzawa](https://appshunter.io/developer/668500806) |

## What reviewers say

### HachiCalendar2 Pro

[App page](https://appshunter.io/ios/app/hachicalendar2-pro/id380105927)

This app combines calendar, to-do lists, and an AI assistant for seamless organization. Manage events as tasks, utilize AI for scheduling, and keep key dates visible with floating countdown cards. It offers detailed time insights and supports multiple calendar systems.

**Highlights:** Infinite vertical scrolling, Events as to-dos, Integrated AI assistant, Floating countdown cards, Time insights & analytics, Quick voice input, Gregorian/Lunar calendar support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| New Year Theme Pack | $1.99 | one-time |
| Weather Theme Pack | $2.99 | one-time |


### ShapeInfo Plus

[App page](https://appshunter.io/ios/app/shapeinfo-plus/id983851989)

This app calculates lengths, angles, and areas for various geometric shapes. It supports a wide range of 2D and 3D shapes, making it a handy tool for engineers and students.

**Highlights:** Calculate lengths, angles, and area, Calculate volume for 3D shapes, Supports various 2D and 3D shapes, User-friendly input for calculations, Immediate calculation results

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HachiCalendar2 Pro free?

HachiCalendar2 Pro costs $1.99, and also offers in-app purchases.

### Is ShapeInfo Plus free?

ShapeInfo Plus costs $0.99, with no in-app purchases.

### Which has better reviews, HachiCalendar2 Pro or ShapeInfo Plus?

ShapeInfo Plus is rated higher. HachiCalendar2 Pro averages 3.5 out of 5 from 22 ratings, while ShapeInfo Plus averages 4.6 from 31 ratings.

### Do HachiCalendar2 Pro or ShapeInfo Plus have ads?

Neither HachiCalendar2 Pro nor ShapeInfo Plus shows ads.

### Which is updated more often, HachiCalendar2 Pro or ShapeInfo Plus?

HachiCalendar2 Pro ships an update fortnightly, and ShapeInfo Plus every 6 months. Most recently, HachiCalendar2 Pro was updated on October 14, 2026 and ShapeInfo Plus on October 15, 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.*