# Grade Calculator vs Inbox

The clearest difference is update cadence: Inbox at every 10 days against Grade Calculator's monthly. Grade Calculator's advantage is iOS requirement (15.0 vs 18.6). 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.

Grade Calculator ships an update monthly, Inbox every 10 days. The most recent releases landed on October 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Grade Calculator | Inbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/grade-calculator-pluspoints/id347809892/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 92.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | — |
| Size | 12 MB | 35 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sandro Meier](https://appshunter.io/developer/334565967) | [HELMUT PETER LASSER](https://appshunter.io/developer/1886803547) |

## What reviewers say

### Grade Calculator

[App page](https://appshunter.io/ios/app/grade-calculator-pluspoints/id347809892)

Easily manage your academic performance by entering grades and calculating averages. This tool helps you track your progress, plan for exams, and organize subjects with customizable settings.

**Highlights:** Average calculator, Dreamgrade calculator, Customizable subjects, Configurable exams, Weighted exams, Exams with subgrades, Template sharing, Export marks

**Features:** macOS Compatibility

**In-app purchases:** none


### Inbox

[App page](https://appshunter.io/ios/app/inbox/id6760919212)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grade Calculator free?

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

### Is Inbox free?

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

### Do Grade Calculator or Inbox have ads?

Neither Grade Calculator nor Inbox shows ads.

### Which is updated more often, Grade Calculator or Inbox?

Grade Calculator ships an update monthly, and Inbox every 10 days. Most recently, Grade Calculator was updated on October 10, 2026 and Inbox on September 24, 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.*