GradingScale vs Immunity Science
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GradingScale
Easily calculate assignment grades by inputting the total number of questions and the number answered correctly. This tool streamlines the grading process for educators and students alike.
- Calculate assignment grades
- Input total questions
- Input correct answers
- Streamlined grading process
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Simplify your grading process, enter the total number of questions for the assignment, and the number of questions correct and press calculate.
Immunity Science
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In 2020, the world changed forever in ways that confounded our experts and eroded trust in our institutions. Immunity Science was founded with the understanding that there is no one size fits all option for your immunity. We humbly invite you to learn more about the benefits of scientific knowledge and how knowledge about immunity can guide a healthier lifestyle for you and your family.
Screenshots
Verdict
The clearest difference is update cadence: Immunity Science at every 14 months against GradingScale's every 93 months. GradingScale's advantage is iOS requirement (11.3 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GradingScale ships an update every 93 months, Immunity Science every 14 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.
| Parameter | GradingScale | Immunity Science |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 93 months | Every 14 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 8 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Nady Analytics, LLC | Immunity Science, Inc. |
In-app purchases
GradingScale
No in-app purchases
Immunity Science
No in-app purchases
Questions
Is GradingScale free?
Is Immunity Science free?
Do GradingScale or Immunity Science have ads?
Which is updated more often, GradingScale or Immunity Science?
Other comparisons
