# B150 vs Center Years

The clearest difference is in-app purchases: B150 at none against Center Years's 1. B150 also leads on iOS requirement (15.1 vs 17.0). Center Years's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Center Years sells 1 in-app purchase, starting at $119.99 per year. B150 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for B150 against 5.0 for Center Years. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

B150 ships an update every 4 days, Center Years weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | B150 | Center Years |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/b150/id6760023241/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/center-years/id6764895732/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Ad-supported** | Freemium |
| Size | 41 MB | 139 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [B150](https://appshunter.io/developer/1882375159) | [Center Years](https://appshunter.io/developer/1895953491) |

## What reviewers say

### B150

[App page](https://appshunter.io/ios/app/b150/id6760023241)

A professional network for AI builders to showcase work, find collaborators, and launch projects. Connect with peers, discover AI tools, and find job opportunities in a focused community feed.

**Highlights:** Showcase AI projects and skills, Discover AI tools and products, Find AI job listings and talent, Launch projects with beta users, Participate in build events, Organize professional network

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

**In-app purchases:** none


### Center Years

[App page](https://appshunter.io/ios/app/center-years/id6764895732)

This app is a community for adults navigating mid-life changes. It offers engaging monthly challenges and skill-building activities to help users explore new interests and connect with others. Earn badges for achievements and find inspiration within a positive, curated environment.

**Highlights:** Monthly engaging challenges, Skill-building activity badges, Expert-designed curriculum, Community support and inspiration, Curated positive environment, Safe exploration space

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Plan | $119.99 | per year |


## Frequently asked questions

### Is B150 free?

B150 is free to download, with no in-app purchases.

### Is Center Years free?

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

### Which has better reviews, B150 or Center Years?

B150 and Center Years are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do B150 or Center Years have ads?

B150 shows ads; Center Years does not.

### Which is updated more often, B150 or Center Years?

B150 ships an update every 4 days, and Center Years weekly. Most recently, B150 was updated on October 31, 2026 and Center Years on October 31, 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.*