# iGrader teacher grading table vs P.S. 20

The clearest difference is in-app purchases: P.S. 20 at none against iGrader teacher grading table's 1. P.S. 20 also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. iGrader teacher grading table sells 1 one-off in-app purchase. P.S. 20 asks for nothing beyond the download.

iGrader teacher grading table ships an update every 5 weeks, P.S. 20 every 6 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iGrader teacher grading table | P.S. 20 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/igrader-teacher-grading-table/id384411431/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 164 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TenTal](https://appshunter.io/developer/498836243) | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) |

## What reviewers say

### iGrader teacher grading table

[App page](https://appshunter.io/ios/app/igrader-teacher-grading-table/id384411431)

This app helps teachers and professors quickly calculate assignment and test grades. Simply adjust a slider for the number of questions, and it instantly displays all possible grades based on the number of incorrect answers. It offers a streamlined grading process for educators.

**Highlights:** Automatic grade calculation, Adjustable question count slider, Full grade list display, Quick and easy grading, In-app purchase to remove ads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| REMOVE ADS OPTION | $1.99 | one-time |


### P.S. 20

[App page](https://appshunter.io/ios/app/ps-20/id6479322609)

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

**In-app purchases:** none


## Frequently asked questions

### Is iGrader teacher grading table free?

iGrader teacher grading table is free to download, with in-app purchases available.

### Is P.S. 20 free?

P.S. 20 is free to download, with no in-app purchases.

### Do iGrader teacher grading table or P.S. 20 have ads?

iGrader teacher grading table shows ads; P.S. 20 does not.

### Which is updated more often, iGrader teacher grading table or P.S. 20?

iGrader teacher grading table ships an update every 5 weeks, and P.S. 20 every 6 weeks. Most recently, iGrader teacher grading table was updated on October 27, 2026 and P.S. 20 on October 25, 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.*