# iStellar vs 日の出・日の入時刻

The clearest difference is price: 日の出・日の入時刻 at Free against iStellar's $3.99. iStellar's advantage is review sentiment (49% vs 37%) and iOS requirement (12.4 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

日の出・日の入時刻 is free to download; iStellar costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iStellar ships an update every 3 months, 日の出・日の入時刻 every 2 months. The most recent releases landed on October 29, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | iStellar | 日の出・日の入時刻 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/istellar/id293118835/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **49.3% of reviews** | 36.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 37 MB | 8 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AstroArts Inc.](https://appshunter.io/developer/293118838) | [Mets R&D Center](https://appshunter.io/developer/393725712) |

## What reviewers say

### iStellar

[App page](https://appshunter.io/ios/app/istellar/id293118835)

Explore the cosmos with a realistic planetarium experience. View the night sky from any location and time, with detailed celestial bodies and dynamic simulations. Intuitive multi-touch controls make navigation effortless.

**Highlights:** Real-time starry sky simulation, Adjustable location and time, Detailed celestial object data, Intuitive multi-touch controls, Solar eclipse simulation, Object search function

**Features:** Vision Pro support

**In-app purchases:** none


### 日の出・日の入時刻

[App page](https://appshunter.io/ios/app/id504522887)

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

**In-app purchases:** none


## Frequently asked questions

### Is iStellar free?

iStellar costs $3.99, with no in-app purchases.

### Is 日の出・日の入時刻 free?

日の出・日の入時刻 is free to download, with no in-app purchases.

### Do iStellar or 日の出・日の入時刻 have ads?

Neither iStellar nor 日の出・日の入時刻 shows ads.

### Which is updated more often, iStellar or 日の出・日の入時刻?

iStellar ships an update every 3 months, and 日の出・日の入時刻 every 2 months. Most recently, iStellar was updated on October 29, 2026 and 日の出・日の入時刻 on October 17, 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.*