# Old Satellite Map JAPAN vs E6BJet

The clearest difference is review sentiment: Old Satellite Map JAPAN at 67% against E6BJet's 0%. Old Satellite Map JAPAN also leads on price (Free vs $5.99) and update cadence (weekly vs every 3 months). E6BJet's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Old Satellite Map JAPAN is free to download; E6BJet costs $5.99 up front. Old Satellite Map JAPAN sells 2 in-app purchases, starting at $1.99 per month. E6BJet asks for nothing beyond the download.

Old Satellite Map JAPAN ships an update weekly, E6BJet every 3 months. The most recent releases landed on September 24, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Old Satellite Map JAPAN | E6BJet |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/e6bjet/id1501315525/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **67.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 41 MB | 13 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shigeo Nakamoto](https://appshunter.io/developer/1177752028) | [Wolf Seldner](https://appshunter.io/developer/1501225349) |

## What reviewers say

### Old Satellite Map JAPAN

[App page](https://appshunter.io/ios/app/old-satellite-map-japan/id1177752029)

Explore historical aerial views of Japan by comparing current satellite imagery with maps from the 1970s. This app allows you to visualize how landscapes have changed over time.

**Highlights:** Compare present satellite map with 1970s satellite map, View historical aerial photographs, Visualize landscape changes over time, Subscription to hide ads, Restore purchases across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $1.99 | per month |
| One Year | $17.99 | per year |


### E6BJet

[App page](https://appshunter.io/ios/app/e6bjet/id1501315525)

This aviation tool simulates professional flight computers for modern jet aircraft, offering advanced calculations for navigation, fuel, and time. It features a user-friendly interface and displays results in multiple aviation units simultaneously.

**Highlights:** QNH-QFE conversion, Precision temperature corrections, Crossover altitude determination, Accurate fuel weight/volume conversion, Turn radius, diameter, and rate calculations, Sunrise/sunset and twilight time computation, Barometric altimeter recording

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Old Satellite Map JAPAN free?

Old Satellite Map JAPAN is free to download, with in-app purchases available.

### Is E6BJet free?

E6BJet costs $5.99, with no in-app purchases.

### Do Old Satellite Map JAPAN or E6BJet have ads?

Old Satellite Map JAPAN shows ads; E6BJet does not.

### Which is updated more often, Old Satellite Map JAPAN or E6BJet?

Old Satellite Map JAPAN ships an update weekly, and E6BJet every 3 months. Most recently, Old Satellite Map JAPAN was updated on September 24, 2026 and E6BJet on June 4, 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.*