# Grade Calculator vs Meter Usage

The clearest difference is price: Meter Usage at Free against Grade Calculator's $1.99. Grade Calculator's advantage is update cadence (every 3 days vs weekly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Meter Usage is free to download; Grade Calculator costs $1.99 up front. Grade Calculator sells 2 in-app purchases, starting at $2.99 per month and Meter Usage sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Grade Calculator ships an update every 3 days, Meter Usage weekly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Grade Calculator | Meter Usage |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Paid | — |
| Size | 5 MB | 18 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Terran Kroft](https://appshunter.io/developer/1550589271) | [Mathias Todisco](https://appshunter.io/developer/1849136143) |

## What reviewers say

### Grade Calculator

[App page](https://appshunter.io/ios/app/grade-calculator/id1672967259)

This app helps students calculate their grades and determine the scores needed on future assignments to achieve specific academic goals. It allows for detailed tracking of subjects, categories, and individual assignments with customizable weighting.

**Highlights:** Add, edit, and remove subjects, Set category weights, Add assignments to categories, Calculate minimum grades for goals, Add subjects to terms for GPA

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly (Pro) | $2.99 | per month |
| Pro (Annual) | $19.99 | per year |


### Meter Usage

[App page](https://appshunter.io/ios/app/meter-usage/id6755087828)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $34.99 | one-time |


## Frequently asked questions

### Is Grade Calculator free?

Grade Calculator costs $1.99, and also offers in-app purchases.

### Is Meter Usage free?

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

### Do Grade Calculator or Meter Usage have ads?

Neither Grade Calculator nor Meter Usage shows ads.

### Which is updated more often, Grade Calculator or Meter Usage?

Grade Calculator ships an update every 3 days, and Meter Usage weekly. Most recently, Grade Calculator was updated on October 4, 2026 and Meter Usage on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*