EISEN vs Bright Memory
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
EISEN
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.
- Pilot massive mechs
- Strategic mech upgrades
- Variety of armaments
- Destroy enemy mechs
- Mech customization
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EISEN is a MechSimulator that allows you to pilot a massive Mech! You start by entering a heavy iron box and activating your mech. To destory the enemy Mechs, not only piloting skills but also mech upgrades are important strategic elements. It is up to you to decide which armament to upgrade and how. Destroy the oncoming enemies with a variety of armaments.
Bright Memory
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.
- FPS and action genre blend
- Skill and ability combos
- Sword combat
- Customizable firearms
- Gyroscope aiming support
- Controller support
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In the year 2036, a strange phenomenon for which scientists can find no explanation has occurred in the skies around the world. The Supernatural Science Research Organization (SRO) has sent agents out to various regions to investigate this phenomenon. It is soon discovered that these strange occurrences are connected to an archaic mystery - an as-of-yet unknown history of two worlds, about to come to light... Bright Memory: Infinite combines the FPS and action genres to deliver a high-octane experience. Mix and match available skills and abilities to unleash magnificient combos on your enemies. Your trusted sword allows you to slash through crowds of enemies and even repel their gunfire. The guns you come across in-game can be customized with a variety of ammunitions. Choose between incendiary bombs, sticky grenades, homing missiles, and more to suit your situation. [Features] - Support gyroscope control aiming. - Support full button transparency and size customization. - Support XBOX wireless controller control.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | EISEN | Bright Memory |
|---|---|---|
| Price | $1.99 — better | $4.99 |
| Rating | 3.8 (5 ratings) | 4.4 (48 ratings) — better |
| Positive reviews | 38.1% of reviews | 67.0% of reviews — better |
| Number of ratings | 5 | 48 — better |
| Update frequency | Daily — better | Every 3 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 204 MB | 2.4 GB |
| Age rating | 4+ | 17+ |
| Developer | HIDEKI HANIDA | 贤成 曾 |
Customer experience
EISEN
Bright Memory
Bugs and requests
EISEN
Not enough reviews yet to summarise bugs or requests.
Bright Memory
Reported bugs
3 issues- Buttons not programmed properly for iOS
- Unable to complete identity verification
- Touch controls issues on iPad
Requested features
3 requests- Add controller vibration support
- Allow customization of touch controls
- Optimize controls for PlayStation controller
In-app purchases
EISEN
No in-app purchases
Bright Memory
- Black Kitten Pack$0.99
- 学院兔皮肤$0.99
- Cyber Rabbit$0.99
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- Energetic Pack$0.99
- Youthful Days Pack$0.99
- Cheongsam (New Year) Pack$0.99
- Cheongsam (Blue Flowers)$0.99
- Bikini Pack$0.99
- Skinny Jeans Pack$0.99
