# ButterFlyer vs Rust IDE

The clearest difference is price: ButterFlyer at Free against Rust IDE's $0.99. ButterFlyer also leads on rating (5.0 vs 2.5) and iOS requirement (13.0 vs 15.0). Rust IDE's advantage is chart position (#19 vs unranked) and ratings volume (6 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

ButterFlyer is free to download; Rust IDE costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ButterFlyer holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Rust IDE has 6 ratings behind it against 1, so its average is the more settled of the two.

ButterFlyer ships an update weekly, Rust IDE every 9 days. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ButterFlyer | Rust IDE |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/butterflyer/id1624906626/reviews)** | [2.5 (6 ratings)](https://appshunter.io/ios/app/rust-ide-minimal-code/id6474973643/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#19** |
| Size | 199 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AppsFlyer](https://appshunter.io/developer/1192323959) | [Gansu Zhenxian Network Technology Co., Ltd.](https://appshunter.io/developer/1616881226) |

## What reviewers say

### ButterFlyer

[App page](https://appshunter.io/ios/app/butterflyer/id1624906626)

An endless runner game where players must dodge obstacles and collect butterflies to advance levels and increase their score. Share the game with friends to gain advantages and spread its spirit.

**Highlights:** Endless runner gameplay, Obstacle avoidance, Butterfly collection, Level progression, Score accumulation, Share with friends

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

**In-app purchases:** none


### Rust IDE

[App page](https://appshunter.io/ios/app/rust-ide-minimal-code/id6474973643)

**Currently charting:** #19 Top Paid · Developer Tools (US App Store)

A mobile tool for developing, testing, and learning the Rust programming language on the go. It offers a streamlined environment for coding anytime, anywhere.

**Highlights:** Mobile Rust development, Code testing, Learning Rust, Anytime, anywhere access, Minimalist interface

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

**In-app purchases:** none


## Frequently asked questions

### Is ButterFlyer free?

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

### Is Rust IDE free?

Rust IDE costs $0.99, with no in-app purchases.

### Which has better reviews, ButterFlyer or Rust IDE?

ButterFlyer is rated higher. ButterFlyer averages 5.0 out of 5 from 1 ratings, while Rust IDE averages 2.5 from 6 ratings.

### Do ButterFlyer or Rust IDE have ads?

Neither ButterFlyer nor Rust IDE shows ads.

### Which is updated more often, ButterFlyer or Rust IDE?

ButterFlyer ships an update weekly, and Rust IDE every 9 days. Most recently, ButterFlyer was updated on September 9, 2026 and Rust IDE on September 21, 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.*