Grade Evaluator vs GradeKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grade Evaluator
Calculate the exact scores needed to achieve your target grade in any class. Supports various grading systems, including curves, and helps manage assignment deadlines with timely notifications.
- Calculate target scores
- Support for percent and point-based grading
- Account for grading curves
- Set assignment deadlines
- Receive deadline notifications
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Grade Evaluator lets you see exactly what scores you need to achieve your desired grade in a class. It allows both percent-based and point-based grading systems and can account for grading on a curve. You can also set deadlines for individual assignments and be notified when they're due.
GradeKey
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GradeKey turns any assignment's point value into a complete grade conversion table — instantly. Stop doing mental math at the grading table. Enter the total points once, and GradeKey generates every possible score, percentage, and letter grade in a single scrollable table. Built by a teacher, for teachers. INSTANT GRADE TABLES Type in the total points and GradeKey does the rest. Every row shows points off, points earned, the exact percentage, and the letter grade — color-coded so an A is green and an F is red at a glance. Choose your step size to match how you actually grade: • Whole points — fast for quizzes • Half points — the classroom standard • Quarter points — for detailed rubrics FIND ANY SCORE IN SECONDS Three ways to look up a grade, and GradeKey jumps straight to the matching row and highlights it: • Points Off — “they lost 4 points, what's that?” • Points Earned — “36 out of 40 is what percent?” • Grade % — “what do they need for an 85?” No scrolling, no scanning. Type a number, land on the answer. GRADING SCALES THAT MATCH YOUR SCHOOL Eight built-in presets, and GradeKey suggests the right one based on your region: • US Standard (90/80/70/60) • US Plus / Minus (A+, A, A-, B+ …) • US Strict (93/83/73/63) • Pass / Fail • Canada • UK / Europe • Australia • Latin America Or build your own. Rename any tier, add or delete tiers, set any percentage cutoff, and choose exactly where the passing line falls. Hide scales you do not use and arrange the picker in your preferred order. EXTRA CREDIT, HANDLED Add bonus points and GradeKey extends the table above 100%, marking those rows “EC” in purple. SAVE EVERY ASSESSMENT Store all your quizzes, exams, labs, and projects. Search them by name, drag to reorder, duplicate a setup, and group related work into folders. GRADEKEY PRO — ONE PURCHASE, FOREVER The free version saves one assessment with full access to the table, lookup, and every grading scale. Upgrade once to unlock: • Unlimited saved assessments • Export to PDF or CSV • Folders for classes, periods, or terms • Configurable Home Screen widgets for assessments and folders • Every future feature One-time purchase. No subscription. No account. No ads. DESIGNED FOR TEACHERS • iCloud sync is free for everyone • Works on iPhone and iPad • Full dark mode • No sign-up, no login, no tracking • Your data stays on your device and in your private iCloud Grading is hard enough. The math shouldn't be.
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Verdict
The clearest difference is in-app purchases: Grade Evaluator at none against GradeKey's 1. On price, update cadence, ads 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. GradeKey sells 1 one-off in-app purchase. Grade Evaluator asks for nothing beyond the download.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.
| Parameter | Grade Evaluator | GradeKey |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Ji Hoon Lee | Hernan Rosario |
In-app purchases
Grade Evaluator
No in-app purchases
GradeKey
- GradeKey Pro$7.99
Questions
Is Grade Evaluator free?
Is GradeKey free?
Do Grade Evaluator or GradeKey have ads?
Which is updated more often, Grade Evaluator or GradeKey?
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