# Blobi vs iGrade

The clearest difference is update cadence: iGrade at weekly against Blobi's every 3 weeks. iGrade also leads on iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Blobi sells 2 in-app purchases, starting at $6.99 per month and iGrade sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Blobi against 4.9 for iGrade. Both are backed by a comparable volume of ratings — 6 and 7 respectively.

Blobi ships an update every 3 weeks, iGrade weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Blobi | iGrade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/blobi/id6738895568/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/igrade-teacher-test-grader/id6761552153/reviews) |
| Number of ratings | 6 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 58 MB | 62 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oneness L.L.C.](https://appshunter.io/developer/1752027638) | [iGrade LLC](https://appshunter.io/developer/1827305933) |

## What reviewers say

### Blobi

[App page](https://appshunter.io/ios/app/blobi/id6738895568)

This app helps educators plan lessons, map curricula, and build teaching portfolios. It offers AI-powered suggestions, visualization tools for curriculum balance, and secure sharing options. It supports offline work and integrates with popular educational platforms.

**Highlights:** AI lesson suggestions, Curriculum visualization, Portfolio building, Secure content sharing, Offline capability, LMS integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blobi Monthly | $6.99 | per month |
| Blobi Yearly | $29.99 | per year |


### iGrade

[App page](https://appshunter.io/ios/app/igrade-teacher-test-grader/id6761552153)

This AI-powered tool assists educators by grading student papers from photographs. It handles various question types, flags uncertain answers for review, and summarizes class performance. Prioritizing privacy, it masks student data locally and deletes images post-grading.

**Highlights:** Reads handwritten answers from photos, Grades multiple choice, fill-in-the-blank, short answer, and free response, Flags uncertain answers for review, Summarizes class performance, Exports results as CSV, Masks student data locally for privacy

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iGrade Starter Monthly | $4.99 | per month |
| iGrade Premium Monthly | $9.99 | per month |
| iGrade Starter Annual | $49.99 | per year |
| iGrade Premium Annual | $99.99 | per year |
| iGrade Paper Pack | $5.99 | one-time |


## Frequently asked questions

### Is Blobi free?

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

### Is iGrade free?

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

### Which has better reviews, Blobi or iGrade?

Blobi is rated higher. Blobi averages 5.0 out of 5 from 6 ratings, while iGrade averages 4.9 from 7 ratings.

### Do Blobi or iGrade have ads?

Neither Blobi nor iGrade shows ads.

### Which is updated more often, Blobi or iGrade?

Blobi ships an update every 3 weeks, and iGrade weekly. Most recently, Blobi was updated on October 30, 2026 and iGrade on October 31, 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.*