# Grade Calculator vs Meter Reading

The clearest difference is price: Meter Reading at Free against Grade Calculator's $1.99. Meter Reading also leads on iOS requirement (15.0 vs 18.0). Grade Calculator's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On in-app purchases and device support there is nothing between them.

Meter Reading 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 Reading sells 10 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Grade Calculator ships an update every 3 days, Meter Reading every 2 weeks. Both last shipped on October 4, 2026.

## The numbers

| Metric | Grade Calculator | Meter Reading |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 5 MB | 244 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Terran Kroft](https://appshunter.io/developer/1550589271) | [Moritz Karrasch](https://appshunter.io/developer/1734764152) |

## 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 Reading

[App page](https://appshunter.io/ios/app/meter-reading-utility-tracker/id6479006613)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly ad-free subscription | $0.99 | per month |
| Yearly ad-free subscription | $8.99 | per year |
| Donation XXS | $0.99 | one-time |
| Donation XS | $1.99 | one-time |
| Donation S | $3.99 | one-time |
| Donation M | $8.99 | one-time |
| Donation L | $17.99 | one-time |
| Ad-Free | $22.99 | one-time |
| Donation XL | $44.99 | one-time |
| Donation XXL | $89.99 | one-time |


## Frequently asked questions

### Is Grade Calculator free?

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

### Is Meter Reading free?

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

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

Meter Reading shows ads; Grade Calculator does not.

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

Grade Calculator ships an update every 3 days, and Meter Reading every 2 weeks. Most recently, Grade Calculator was updated on October 4, 2026 and Meter Reading on October 4, 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.*