# TanB vs ComaComa

The clearest difference is in-app purchases: ComaComa at none against TanB's 1. ComaComa also leads on update cadence (every 5 days vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

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

TanB ships an update every 15 months, ComaComa every 5 days. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | TanB | ComaComa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 16 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Toru Hoshino](https://appshunter.io/developer/1679479070) | [Naruhide Shibazaki](https://appshunter.io/developer/1870444141) |

## What reviewers say

### 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 |


### ComaComa

[App page](https://appshunter.io/ios/app/comacoma/id6759912527)

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

**In-app purchases:** none


## Frequently asked questions

### Is TanB free?

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

### Is ComaComa free?

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

### Do TanB or ComaComa have ads?

Both TanB and ComaComa show ads.

### Which is updated more often, TanB or ComaComa?

TanB ships an update every 15 months, and ComaComa every 5 days. Most recently, TanB was updated on September 11, 2026 and ComaComa on September 9, 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.*