# ICSI Hub vs 逆算勉強

The clearest difference is update cadence: 逆算勉強 at daily against ICSI Hub's every 2 weeks. 逆算勉強 also leads on iOS requirement (11.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ICSI Hub ships an update every 2 weeks, 逆算勉強 daily. The most recent releases landed on September 15, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ICSI Hub | 逆算勉強 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/icsi-hub/id1627038720/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 49 MB | 51 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tedu, LLC](https://appshunter.io/developer/1438128366) | [Kodai Maki](https://appshunter.io/developer/1674346013) |

## What reviewers say

### ICSI Hub

[App page](https://appshunter.io/ios/app/icsi-hub/id1627038720)

This app helps conference attendees manage their schedules and provide feedback on sessions. It introduces users to a global academic support system.

**Highlights:** Conference session calendar, Session evaluations, TEDU Learning Support System integration, Academic support programming, Professional networking

**In-app purchases:** none


### 逆算勉強

[App page](https://appshunter.io/ios/app/id6445865041)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ICSI Hub free?

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

### Is 逆算勉強 free?

逆算勉強 is free to download, with no in-app purchases.

### Do ICSI Hub or 逆算勉強 have ads?

Neither ICSI Hub nor 逆算勉強 shows ads.

### Which is updated more often, ICSI Hub or 逆算勉強?

ICSI Hub ships an update every 2 weeks, and 逆算勉強 daily. Most recently, ICSI Hub was updated on September 15, 2026 and 逆算勉強 on June 1, 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.*