# EISEN vs Bright Memory

The clearest difference is rating: Bright Memory at 4.4 against EISEN's 3.8. Bright Memory also leads on review sentiment (67% vs 38%) and ratings volume (48 vs 5). EISEN's advantage is in-app purchases (none vs 9) and price ($1.99 vs $4.99). On update cadence, ads and device support there is nothing between them.

EISEN costs $1.99 and Bright Memory $4.99 up front. Bright Memory sells 9 one-off in-app purchases. EISEN asks for nothing beyond the download.

Bright Memory holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: Bright Memory has 48 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 38% of EISEN's written reviews are positive against 67% of Bright Memory's.

EISEN ships an update daily, Bright Memory every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | EISEN | Bright Memory |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/eisen/id1658696738/reviews) | **[4.4 (48 ratings)](https://appshunter.io/ios/app/bright-memory-infinite/id1669877091/reviews)** |
| Number of ratings | 5 | **48** |
| Positive reviews | 38.1% of reviews | **67.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 204 MB | 2.4 GB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [HIDEKI HANIDA](https://appshunter.io/developer/1166459931) | [贤成 曾](https://appshunter.io/developer/1474315940) |

## What reviewers say

### EISEN

[App page](https://appshunter.io/ios/app/eisen/id1658696738)

Pilot a massive mech in this simulator, combining piloting skills with strategic mech upgrades to destroy enemy mechs. Choose your armaments and upgrade them to overcome oncoming enemies.

**Highlights:** Pilot massive mechs, Strategic mech upgrades, Variety of armaments, Destroy enemy mechs, Mech customization

**Features:** Vision Pro support

**In-app purchases:** none


### Bright Memory

[App page](https://appshunter.io/ios/app/bright-memory-infinite/id1669877091)

Experience a thrilling blend of FPS and action in a futuristic world. Investigate a mysterious global phenomenon by combining unique skills, sword combat, and customizable firearms. Explore an ancient history connecting two worlds.

**Highlights:** FPS and action genre blend, Skill and ability combos, Sword combat, Customizable firearms, Gyroscope aiming support, Controller support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Black Kitten Pack | $0.99 | one-time |
| 学院兔皮肤 | $0.99 | one-time |
| Cyber Rabbit | $0.99 | one-time |
| Energetic Pack | $0.99 | one-time |
| Youthful Days Pack | $0.99 | one-time |
| Cheongsam (New Year) Pack | $0.99 | one-time |
| Cheongsam (Blue Flowers) | $0.99 | one-time |
| Bikini Pack | $0.99 | one-time |
| Skinny Jeans Pack | $0.99 | one-time |

**What reviewers like**

- 👍 Great graphics
- 💡 Excellent with a controller
- 🚀 Fun mechanics

**What reviewers complain about**

- 🐛 Bugs and issues with controls
- 🔧 Needs improvements for iPad devices
- 💰 Expensive in-app purchases

**Reported bugs**

- Buttons not programmed properly for iOS
- Unable to complete identity verification
- Touch controls issues on iPad

**Requested features**

- Add controller vibration support
- Allow customization of touch controls
- Optimize controls for PlayStation controller


## Frequently asked questions

### Is EISEN free?

EISEN costs $1.99, with no in-app purchases.

### Is Bright Memory free?

Bright Memory costs $4.99, and also offers in-app purchases.

### Which has better reviews, EISEN or Bright Memory?

Bright Memory is rated higher. EISEN averages 3.8 out of 5 from 5 ratings, while Bright Memory averages 4.4 from 48 ratings.

### Do EISEN or Bright Memory have ads?

Neither EISEN nor Bright Memory shows ads.

### Which is updated more often, EISEN or Bright Memory?

EISEN ships an update daily, and Bright Memory every 3 days. Most recently, EISEN was updated on October 24, 2026 and Bright Memory on October 24, 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.*