# TPMS BLE vs CFR AI

The clearest difference is in-app purchases: TPMS BLE at none against CFR AI's 4. TPMS BLE also leads on update cadence (every 5 days vs every 3 months) and iOS requirement (9.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. CFR AI sells 4 in-app purchases, starting at $0.99 per 7 days. TPMS BLE asks for nothing beyond the download.

TPMS BLE ships an update every 5 days, CFR AI every 3 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TPMS BLE | CFR AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cfr-ai-title-19/id6504699336/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | — | Subscription |
| Size | 13 MB | 13 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Longfellow Chen](https://appshunter.io/developer/1025308037) | [SmerDev Studio LLC](https://appshunter.io/developer/1732547078) |

## What reviewers say

### TPMS BLE

[App page](https://appshunter.io/ios/app/tpms-ble/id1063288364)

**Features:** macOS Compatibility

**In-app purchases:** none


### CFR AI

[App page](https://appshunter.io/ios/app/cfr-ai-title-19/id6504699336)

This app provides an AI-powered platform for navigating Title 19 of the Code of Federal Regulations. It offers instant, accurate answers to questions about customs duties, trade agreements, and import/export regulations, with added features for notes and reminders. Designed for professionals in international trade and customs compliance.

**Highlights:** AI-powered Title 19 CFR navigation, Instant, accurate answers on customs duties, Interactive chatbot trained on regulations, Example questions for guidance, Notes, calendar, and reminders, User-friendly interface

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $3.99 | per month |
| Biannual | $23.99 | per 6 months |
| Annual | $45.99 | per year |


## Frequently asked questions

### Is TPMS BLE free?

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

### Is CFR AI free?

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

### Do TPMS BLE or CFR AI have ads?

Neither TPMS BLE nor CFR AI shows ads.

### Which is updated more often, TPMS BLE or CFR AI?

TPMS BLE ships an update every 5 days, and CFR AI every 3 months. Most recently, TPMS BLE was updated on October 7, 2026 and CFR AI on October 15, 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.*