# 3B App vs CarCostTracker

The clearest difference is in-app purchases: 3B App at none against CarCostTracker's 1. CarCostTracker's advantage is update cadence (every 3 days vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. CarCostTracker sells 1 one-off in-app purchase. 3B App asks for nothing beyond the download.

3B App ships an update every 2 weeks, CarCostTracker every 3 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 3B App | CarCostTracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 97 MB | 15 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SMART GUARDIAN OF TECHNOLOGY SOLUTIONS](https://appshunter.io/developer/1718299350) | [Michael Goth](https://appshunter.io/developer/6799768401) |

## What reviewers say

### 3B App

[App page](https://appshunter.io/ios/app/3b-app/id6473051929)

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

**In-app purchases:** none


### CarCostTracker

[App page](https://appshunter.io/ios/app/carcosttracker/id6799768399)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CarCostTracker Plus | $8.99 | one-time |


## Frequently asked questions

### Is 3B App free?

3B App is free to download, with no in-app purchases.

### Is CarCostTracker free?

CarCostTracker is free to download, with in-app purchases available.

### Do 3B App or CarCostTracker have ads?

Neither 3B App nor CarCostTracker shows ads.

### Which is updated more often, 3B App or CarCostTracker?

3B App ships an update every 2 weeks, and CarCostTracker every 3 days. Most recently, 3B App was updated on October 30, 2026 and CarCostTracker on October 29, 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.*