# OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 vs 100k Mentor Challenge

The clearest difference is in-app purchases: 100k Mentor Challenge at none against OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策's 1. 100k Mentor Challenge also leads on review sentiment (50% vs 30%). OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 sells 1 in-app purchase, starting at $54.99 per month. 100k Mentor Challenge asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 | 100k Mentor Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (19 ratings)](https://appshunter.io/ios/app/100k-mentor-challenge/id1528816720/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | 30.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 48 MB | 45 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONE AND COMPANY K.K.](https://appshunter.io/developer/1770222431) | [ProMazo, Inc.](https://appshunter.io/developer/1528816722) |

## What reviewers say

### OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策

[App page](https://appshunter.io/ios/app/obob/id1358228985)

Connect with experienced professionals for career advice and job hunting support. Find mentors from popular companies, get insights into industries, and receive interview practice. Offers a safe and secure platform for students to prepare for their future.

**Highlights:** Student-professional matching, Career advice and consultation, Mentorship from popular company professionals, Interview practice and ES review, Industry and company insights, Job offer opportunities, Networking with job hunting peers

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム会員(1ヶ月) | $54.99 | per month |


### 100k Mentor Challenge

[App page](https://appshunter.io/ios/app/100k-mentor-challenge/id1528816720)

Connect with mentors or aspiring leaders to achieve career goals. This app helps diverse college students gain career advice, build networks, and boost confidence. Complete your profile to join the next mentorship match.

**Highlights:** Mentorship matching, Career advice, Networking opportunities, Goal encouragement, Profile completion

**In-app purchases:** none


## Frequently asked questions

### Is OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 free?

OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 is free to download, with in-app purchases available.

### Is 100k Mentor Challenge free?

100k Mentor Challenge is free to download, with no in-app purchases.

### Do OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 or 100k Mentor Challenge have ads?

100k Mentor Challenge shows ads; OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 does not.

### Which is updated more often, OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 or 100k Mentor Challenge?

OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 ships an update monthly, and 100k Mentor Challenge monthly. Most recently, OB訪問・就活相談ならOBトーク！アプリで安心安全に就活対策 was updated on October 29, 2026 and 100k Mentor Challenge 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.*