# BACKDOOR会員アプリ vs PlanetsTokyo/CollectingForest

The clearest difference is review sentiment: BACKDOOR会員アプリ at 100% against PlanetsTokyo/CollectingForest's 22%. BACKDOOR会員アプリ also leads on rating (5.0 vs 4.2) and iOS requirement (15.1 vs 17.0). PlanetsTokyo/CollectingForest's advantage is ratings volume (99 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BACKDOOR会員アプリ holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: PlanetsTokyo/CollectingForest has 99 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of BACKDOOR会員アプリ's written reviews are positive against 22% of PlanetsTokyo/CollectingForest's.

BACKDOOR会員アプリ ships an update monthly, PlanetsTokyo/CollectingForest every 3 weeks. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | BACKDOOR会員アプリ | PlanetsTokyo/CollectingForest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/backdoor/id6448009971/reviews)** | [4.2 (99 ratings)](https://appshunter.io/ios/app/planetstokyocollectingforest/id6739424962/reviews) |
| Number of ratings | 1 | **99** |
| Positive reviews | **100.0% of reviews** | 21.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 41 MB | 128 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ROUNDERS, K.K.](https://appshunter.io/developer/1683263820) | [teamLab Inc.](https://appshunter.io/developer/384623878) |

## What reviewers say

### BACKDOOR会員アプリ

[App page](https://appshunter.io/ios/app/backdoor/id6448009971)

This is an exclusive members-only application for Amusement Casino BACKDOOR. Access special features and information as a valued member.

**Highlights:** Exclusive member access, Information for Amusement Casino BACKDOOR, Members-only features

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

**In-app purchases:** none


### PlanetsTokyo/CollectingForest

[App page](https://appshunter.io/ios/app/planetstokyocollectingforest/id6739424962)

Enhance your visit to teamLab Planets TOKYO by interacting with digital art. Capture and collect virtual animals within an exhibition, and learn more about them as you expand your collection. You can also release captured creatures back into their digital habitat.

**Highlights:** Catch virtual animals with camera, Collect animals in illustrated book, Release animals back into exhibition, Research animal details, Interactive art experience

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

**In-app purchases:** none


## Frequently asked questions

### Is BACKDOOR会員アプリ free?

BACKDOOR会員アプリ is free to download, with no in-app purchases.

### Is PlanetsTokyo/CollectingForest free?

PlanetsTokyo/CollectingForest is free to download, with no in-app purchases.

### Which has better reviews, BACKDOOR会員アプリ or PlanetsTokyo/CollectingForest?

BACKDOOR会員アプリ is rated higher. BACKDOOR会員アプリ averages 5.0 out of 5 from 1 ratings, while PlanetsTokyo/CollectingForest averages 4.2 from 99 ratings.

### Do BACKDOOR会員アプリ or PlanetsTokyo/CollectingForest have ads?

Neither BACKDOOR会員アプリ nor PlanetsTokyo/CollectingForest shows ads.

### Which is updated more often, BACKDOOR会員アプリ or PlanetsTokyo/CollectingForest?

BACKDOOR会員アプリ ships an update monthly, and PlanetsTokyo/CollectingForest every 3 weeks. Most recently, BACKDOOR会員アプリ was updated on October 11, 2026 and PlanetsTokyo/CollectingForest on October 20, 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.*