# Bullet'nSurf vs TRIAL UNIT2

The clearest difference is price: TRIAL UNIT2 at Free against Bullet'nSurf's $1.99. TRIAL UNIT2 also leads on update cadence (every 10 days vs every 4 months) and iOS requirement (12.4 vs 15.6). Bullet'nSurf's advantage is ratings volume (5 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.

TRIAL UNIT2 is free to download; Bullet'nSurf costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Bullet'nSurf against 5.0 for TRIAL UNIT2. That said, the two scores are not equally well evidenced: Bullet'nSurf has 5 ratings behind it against 1, so its average is the more settled of the two.

Bullet'nSurf ships an update every 4 months, TRIAL UNIT2 every 10 days. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Bullet'nSurf | TRIAL UNIT2 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/bulletnsurf/id727740379/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/trial-unit2/id1519638159/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 82 MB | 8 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [koji shimono](https://appshunter.io/developer/727740382) | [Satoru Takahashi](https://appshunter.io/developer/753683887) |

## What reviewers say

### Bullet'nSurf

[App page](https://appshunter.io/ios/app/bulletnsurf/id727740379)

Experience an extreme Japanese-style bullet hell shooter where you shoot and ride on the wave of a return cartridge. Choose from four unique 'Surf Rider' types, each with distinct shooting and combat abilities, and master the exhilarating bullet-back shot system to achieve high scores.

**Highlights:** Japanese-style bullet hell shooting, Ride on the wave of a return cartridge, Four distinct 'Surf Rider' types, Surf Sword for close combat, Bullet-back shot system (Bullet Surf), Score magnification via Surf rate

**In-app purchases:** none


### TRIAL UNIT2

[App page](https://appshunter.io/ios/app/trial-unit2/id1519638159)

Engage in a straightforward shooting game controlled by simple screen swipes. Select your weapon and difficulty level to begin, with progressively higher levels becoming available as you advance.

**Highlights:** Swipe-based gameplay, Weapon selection, Level progression, Simple controls, Shooting mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bullet'nSurf free?

Bullet'nSurf costs $1.99, with no in-app purchases.

### Is TRIAL UNIT2 free?

TRIAL UNIT2 is free to download, with no in-app purchases.

### Which has better reviews, Bullet'nSurf or TRIAL UNIT2?

Bullet'nSurf and TRIAL UNIT2 are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Bullet'nSurf or TRIAL UNIT2 have ads?

Neither Bullet'nSurf nor TRIAL UNIT2 shows ads.

### Which is updated more often, Bullet'nSurf or TRIAL UNIT2?

Bullet'nSurf ships an update every 4 months, and TRIAL UNIT2 every 10 days. Most recently, Bullet'nSurf was updated on October 11, 2026 and TRIAL UNIT2 on October 5, 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.*