# J.J.'s Auto Service Center vs amppredict

The clearest difference is in-app purchases: J.J.'s Auto Service Center at none against amppredict's 3. amppredict's advantage is ads (none vs shown) and update cadence (every 2 months vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. amppredict sells 3 in-app purchases, starting at $4.99 per month. J.J.'s Auto Service Center asks for nothing beyond the download.

J.J.'s Auto Service Center ships an update every 4 months, amppredict every 2 months. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | J.J.'s Auto Service Center | amppredict |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jjs-auto-service-center/id1660548863/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 58 MB | 39 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [J.J.'s Auto Service Center LLC](https://appshunter.io/developer/1660548866) | [ANJO LC](https://appshunter.io/developer/1887924584) |

## What reviewers say

### J.J.'s Auto Service Center

[App page](https://appshunter.io/ios/app/jjs-auto-service-center/id1660548863)

Manage your vehicle ownership experience with this free app. Track service history, receive important alerts and notices, and view maintenance schedules. Get appointment reminders, exclusive offers, and earn rewards for shop visits.

**Highlights:** Connect to service history, Get recalls, alerts, and notices, View maintenance schedules, Push message appointment reminders, Birthday and signup offers, Earn rewards for shop visits, Coupons and exclusive savings, Live support with 2-way chat & text

**Features:** macOS Compatibility

**In-app purchases:** none


### amppredict

[App page](https://appshunter.io/ios/app/amppredict/id6764166197)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features Monthly | $4.99 | per month |
| Pro Features Semi-Annually | $46.00 | per 6 months |
| Pro Features Yearly | $86.99 | per year |


## Frequently asked questions

### Is J.J.'s Auto Service Center free?

J.J.'s Auto Service Center is free to download, with no in-app purchases.

### Is amppredict free?

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

### Do J.J.'s Auto Service Center or amppredict have ads?

J.J.'s Auto Service Center shows ads; amppredict does not.

### Which is updated more often, J.J.'s Auto Service Center or amppredict?

J.J.'s Auto Service Center ships an update every 4 months, and amppredict every 2 months. Most recently, J.J.'s Auto Service Center was updated on October 10, 2026 and amppredict on October 28, 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.*