# INBI SCHOOL vs EST. 122

INBI SCHOOL and EST. 122 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

INBI SCHOOL ships an update every 6 weeks, EST. 122 every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | INBI SCHOOL | EST. 122 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 31 MB | 116 MB |
| Requires iOS | 15.6 | **14.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Luis Angel Lopez Rodriguez](https://appshunter.io/developer/1616751416) | [HOMERO GARCIA PUENTE](https://appshunter.io/developer/1704406595) |

## What reviewers say

### INBI SCHOOL

[App page](https://appshunter.io/ios/app/inbi-school/id1616751414)

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

**In-app purchases:** none


### EST. 122

[App page](https://appshunter.io/ios/app/est-122/id6463464573)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is INBI SCHOOL free?

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

### Is EST. 122 free?

EST. 122 is free to download, with no in-app purchases.

### Do INBI SCHOOL or EST. 122 have ads?

Neither INBI SCHOOL nor EST. 122 shows ads.

### Which is updated more often, INBI SCHOOL or EST. 122?

INBI SCHOOL ships an update every 6 weeks, and EST. 122 every 3 weeks. Most recently, INBI SCHOOL was updated on November 3, 2026 and EST. 122 on November 3, 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.*