# Stellar Tour vs Kidarithmetic

The clearest difference is in-app purchases: Kidarithmetic at none against Stellar Tour's 6. Kidarithmetic also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Stellar Tour sells 5 one-off in-app purchases. Kidarithmetic asks for nothing beyond the download.

Stellar Tour ships an update fortnightly, Kidarithmetic every 3 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Stellar Tour | Kidarithmetic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/stellar-tour/id1197929178/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 83.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 570 MB | 28 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Day](https://appshunter.io/developer/1028872452) | [Hirlab Consultancy Limited](https://appshunter.io/developer/1783962674) |

## What reviewers say

### Stellar Tour

[App page](https://appshunter.io/ios/app/stellar-tour/id1197929178)

Explore the cosmos with an augmented reality stargazing app guided by an astrophysicist. Discover exoplanets, solar system bodies, and deep-sky objects with scientifically accurate narratives and detailed visuals.

**Highlights:** Augmented reality stargazing, Astrophysicist-guided tours, Detailed exoplanet information, High-resolution solar system visuals, Exploration of galaxies and nebulae, Interactive 3D planet and moon models

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads 1 | $2.99 | one-time |
| Upgrade: Lessons & Sky Tools | $3.99 | one-time |
| Cosmic Expansion | $9.99 | one-time |
| Remove Ads 2 | $9.99 | one-time |
| Remove Ads 3 | $14.99 | one-time |

**What reviewers like**

- 🌟 Amazing app
- 👍 Excellent for stargazing and learning
- 🔭 Helpful for identifying stars and constellations
- 🌌 Detailed information on planets and exoplanets
- 🎓 Great educational tool for all ages

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🤔 Some features not intuitive or user-friendly
- 💰 Wish it was completely free without in-app purchases
- 🌍 Language localization could be improved

**Reported bugs**

- Login screen freezes
- Compatibility issues with newer iOS versions
- Videos not playing offline as expected

**Requested features**

- Add support for viewing comets and other celestial events
- Improve AR functionality and integration
- Provide more detailed information on exoplanets
- Introduce a dark mode option for better visibility at night


### Kidarithmetic

[App page](https://appshunter.io/ios/app/kidarithmetic/id6741499840)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stellar Tour free?

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

### Is Kidarithmetic free?

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

### Do Stellar Tour or Kidarithmetic have ads?

Neither Stellar Tour nor Kidarithmetic shows ads.

### Which is updated more often, Stellar Tour or Kidarithmetic?

Stellar Tour ships an update fortnightly, and Kidarithmetic every 3 days. Most recently, Stellar Tour was updated on October 8, 2026 and Kidarithmetic on October 3, 2026.

---

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