# Rainbottle vs Car Assembly Simulator

The clearest difference is review sentiment: Rainbottle at 100% against Car Assembly Simulator's 20%. Rainbottle also leads on in-app purchases (none vs 13). Car Assembly Simulator's advantage is ratings volume (1K vs 3) and rating (4.6 vs 4.3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Car Assembly Simulator sells 13 one-off in-app purchases. Rainbottle asks for nothing beyond the download.

Car Assembly Simulator holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Car Assembly Simulator has 1K ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 100% of Rainbottle's written reviews are positive against 20% of Car Assembly Simulator's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rainbottle | Car Assembly Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/rainbottle/id1672365921/reviews) | **[4.6 (1K ratings)](https://appshunter.io/ios/app/car-assembly-simulator/id6470780377/reviews)** |
| Number of ratings | 3 | **1K** |
| Positive reviews | **100.0% of reviews** | 20.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 225 MB | 211 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ezgi Evrensel](https://appshunter.io/developer/1664776677) | [Solid Games](https://appshunter.io/developer/1625798412) |

## What reviewers say

### Rainbottle

[App page](https://appshunter.io/ios/app/rainbottle/id1672365921)

Fill bottles with glitter and color to relieve stress. Decorate them to make them flourish and feel like a money hoarder. Simply tap and pull the handle, and discard any broken bottles.

**Highlights:** Glitter and color filling, Bottle decoration, Stress relief gameplay, Tapping and pulling mechanics, Discarding broken bottles

**Features:** macOS Compatibility

**In-app purchases:** none


### Car Assembly Simulator

[App page](https://appshunter.io/ios/app/car-assembly-simulator/id6470780377)

Experience the intricate process of vehicle manufacturing. Assemble a car from its smallest components, build and transport parts, and meticulously add accessories to complete the final product.

**Highlights:** Assemble car body, Add various accessories, Build and carry parts, Step-by-step assembly process, Component-based construction

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contains 10 Ad tickets | $0.99 | one-time |
| Contains 25 Ad tickets | $1.99 | one-time |
| Diamond Pack 1 | $1.99 | one-time |
| Contains 60 Ad tickets | $3.99 | one-time |
| No Ads Lite | $4.99 | one-time |
| Sign-in rewards | $4.99 | one-time |
| Equipment manager | $4.99 | one-time |
| Diamond Pack 2 | $4.99 | one-time |
| No Ads Plus | $9.99 | one-time |
| Diamond Pack 3 | $9.99 | one-time |
| Diamond Pack 4 | $19.99 | one-time |
| Diamond Pack 5 | $49.99 | one-time |
| Diamond Pack 6 | $99.99 | one-time |

**What reviewers like**

- 👍 Fun game
- 🚀 Game is easy to play

**What reviewers complain about**

- 🗣️ Too many ads
- 💢 Forced ad breaks
- 🔍 Ads even after purchase
- ⏱️ Ads every minute

**Reported bugs**

- Glass counter not working properly
- Missions still say 'get to level 10' even after reaching level 10

**Requested features**

- Remove forced ad breaks
- Reduce frequency of ads


## Frequently asked questions

### Is Rainbottle free?

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

### Is Car Assembly Simulator free?

Car Assembly Simulator is free to download, with in-app purchases available.

### Which has better reviews, Rainbottle or Car Assembly Simulator?

Car Assembly Simulator is rated higher. Rainbottle averages 4.3 out of 5 from 3 ratings, while Car Assembly Simulator averages 4.6 from 1K ratings.

### Do Rainbottle or Car Assembly Simulator have ads?

Both Rainbottle and Car Assembly Simulator show ads.

### Which is updated more often, Rainbottle or Car Assembly Simulator?

Rainbottle ships an update every 2 months, and Car Assembly Simulator every 2 months. Most recently, Rainbottle was updated on October 7, 2026 and Car Assembly Simulator on October 14, 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.*