# Japan Airlines vs SpaceTimeWorld

The clearest difference is in-app purchases: Japan Airlines at none against SpaceTimeWorld's 1. Japan Airlines also leads on chart position (#125 vs unranked) and iOS requirement (15 vs 17.0). SpaceTimeWorld's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. SpaceTimeWorld sells 1 one-off in-app purchase. Japan Airlines asks for nothing beyond the download.

Japan Airlines ships an update every 3 weeks, SpaceTimeWorld every 3 days. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Japan Airlines | SpaceTimeWorld |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (20K ratings)](https://appshunter.io/ios/app/japan-airlines/id351785536/reviews)** | — |
| Number of ratings | **20K** | — |
| Positive reviews | 15.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#125** | — |
| Size | 129 MB | 36 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Japan Airlines Co., Ltd.](https://appshunter.io/developer/351785539) | [Shanghai Yuejie Chuchuang Network Co., Ltd.](https://appshunter.io/developer/6807796518) |

## What reviewers say

### Japan Airlines

[App page](https://appshunter.io/ios/app/japan-airlines/id351785536)

**Currently charting:** #125 Top Free · Travel (US App Store)

Book and manage all your flights with this comprehensive travel application. Access flight status, view your itinerary chronologically, and receive timely notifications for delays or upcoming departures. Available for both members and non-members.

**Highlights:** Flight reservations and purchases, Home screen with reservation display, Chronological itinerary timeline, Real-time flight status checks, Flight status and departure reminders, JMB member information display

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- ⭐ Excellent service and experience
- 💯 Number one airline
- 👍 Convenient app

**What reviewers complain about**

- 🐛 Lots of glitches and bugs
- 🤯 Confusing and difficult to use
- ⏱️ Slow and unresponsive
- 🤔 Lacks basic functionality

**Reported bugs**

- Unable to retrieve reservations
- Crashes and errors when checking in
- Inconsistent behavior across devices

**Requested features**

- English language support
- Ability to manage bookings
- Improved seat selection
- Notifications and alerts


### SpaceTimeWorld

[App page](https://appshunter.io/ios/app/spacetimeworld/id6807796516)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coins | $0.99 | one-time |


## Frequently asked questions

### Is Japan Airlines free?

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

### Is SpaceTimeWorld free?

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

### Do Japan Airlines or SpaceTimeWorld have ads?

Japan Airlines shows ads; SpaceTimeWorld does not.

### Which is updated more often, Japan Airlines or SpaceTimeWorld?

Japan Airlines ships an update every 3 weeks, and SpaceTimeWorld every 3 days. Most recently, Japan Airlines was updated on October 23, 2026 and SpaceTimeWorld on October 8, 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.*