# Brightso vs DeepGrading

The clearest difference is in-app purchases: DeepGrading at none against Brightso's 4. DeepGrading also leads on update cadence (weekly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brightso sells 4 one-off in-app purchases. DeepGrading asks for nothing beyond the download.

Brightso ships an update every 9 months, DeepGrading weekly. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Brightso | DeepGrading |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Size | 52 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [hemant Gangwar](https://appshunter.io/developer/1896590593) |

## What reviewers say

### Brightso

[App page](https://appshunter.io/ios/app/brightso/id6450590174)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Service 2 | $4.99 | one-time |
| Service 3 | $6.99 | one-time |
| Service 1 | $9.99 | one-time |
| Learn to use AI | $39.99 | one-time |


### DeepGrading

[App page](https://appshunter.io/ios/app/deepgrading-ai-paper-grader/id6768930043)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brightso free?

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

### Is DeepGrading free?

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

### Do Brightso or DeepGrading have ads?

Neither Brightso nor DeepGrading shows ads.

### Which is updated more often, Brightso or DeepGrading?

Brightso ships an update every 9 months, and DeepGrading weekly. Most recently, Brightso was updated on October 12, 2026 and DeepGrading on October 8, 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.*