# キオクの達人 vs TanB

The clearest difference is in-app purchases: キオクの達人 at none against TanB's 1. キオクの達人 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. TanB sells 1 in-app purchase, starting at $2.99 per month. キオクの達人 asks for nothing beyond the download.

キオクの達人 ships an update every 13 months, TanB every 15 months. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | キオクの達人 | TanB |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 13 months** | Every 15 months |
| Monetization | — | Ad-supported |
| Size | 79 MB | 16 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Change Management Consulting, KK](https://appshunter.io/developer/1626676667) | [Toru Hoshino](https://appshunter.io/developer/1679479070) |

## What reviewers say

### キオクの達人

[App page](https://appshunter.io/ios/app/id1626676665)

**Features:** Vision Pro support

**In-app purchases:** none


### TanB

[App page](https://appshunter.io/ios/app/tanb/id6473085040)

This app helps university students predict their credit scores based on various academic factors. It allows students to assess their likelihood of passing courses and identify areas for improvement, aiding in academic planning and effort allocation.

**Highlights:** Credit score prediction, Academic performance analysis, Course effort adjustment, Identify areas for improvement, Data-driven insights

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TanB Premium Monthly | $2.99 | per month |


## Frequently asked questions

### Is キオクの達人 free?

キオクの達人 is free to download, with no in-app purchases.

### Is TanB free?

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

### Do キオクの達人 or TanB have ads?

TanB shows ads; キオクの達人 does not.

### Which is updated more often, キオクの達人 or TanB?

キオクの達人 ships an update every 13 months, and TanB every 15 months. Most recently, キオクの達人 was updated on October 28, 2026 and TanB 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.*