Grade Grid vs Frizzle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grade Grid
This tool helps educators create customizable grade grids for assignments. It automatically calculates percentages and letter grades based on configurable grading scales. Teachers can easily manage student evaluations for any number of questions.
- Customizable grade grids
- Automatic percentage calculation
- Configurable letter grade ranges
- Supports any number of questions
- Easy student evaluation management
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Grade Grid is a tool for teachers to easily evaluate students' grades. You can make grade grids for any number of questions and you will see all percentages and letter grades for that assignment. The grade lettering is configurable to any sets of ranges desired, or can be turned off altogether.
Frizzle
This AI-powered app automates the grading of handwritten student work from photos. It provides instant grades, written feedback, and skill mastery data, saving educators valuable time. Compatible with existing worksheets, it streamlines the assessment process for K-12 and college teachers.
- Grades handwritten work from photos
- Provides written feedback or point scores
- Offers skill-level mastery data
- Auto-sorts mixed stacks by student name
- Works with existing worksheets
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Spend less time grading. Spend more time teaching. Frizzle is the only AI grading app that reads handwritten student work directly from a photo. No bubble sheets. No typing. No scanner. Just snap the stack and walk away. WHAT YOU GET BACK • Grades for every student in under 180 seconds • Written feedback or point scores, your choice • Skill-level mastery data so you know who needs a re-teach • Same-day insights, no extra tests, no extra screen time for kids HOW FRIZZLE IS DIFFERENT • Reads real handwriting, not just typed work or bubble sheets • 97% accuracy with confidence flagging, you review what we're unsure about • Auto-sorts mixed stacks by student name, no alphabetizing required • Works with any worksheet you already use, no new curriculum to adopt WHO USES FRIZZLE Teachers in K-12 and college classrooms across the U.S., from independent schools to charter networks to public districts. Built by a team that previously ran the Midwest Math Circle, Chicagoland's largest, and backed by Y Combinator and the White House AI Education Partnership. Free to try. No credit card. Set up your first class in two minutes.
Screenshots
Verdict
The clearest difference is rating: Frizzle at 5.0 against Grade Grid's 4.3. Frizzle also leads on in-app purchases (none vs 1) and ads (none vs shown). Grade Grid's advantage is ratings volume (25 vs 1) and iOS requirement (13.6 vs 26.2). On price 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. Grade Grid sells 1 one-off in-app purchase. Frizzle asks for nothing beyond the download.
Frizzle holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Grade Grid has 25 ratings behind it against 1, so its average is the more settled of the two.
Grade Grid ships an update every 13 months, Frizzle every 3 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.
| Parameter | Grade Grid | Frizzle |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (25 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 25 — better | 1 |
| Update frequency | Every 13 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 9 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Ryszkiewicz | Frizzle, Inc |
Customer experience
Grade Grid
Frizzle
In-app purchases
Grade Grid
- Grade Grid Pro$0.99
Frizzle
No in-app purchases
Questions
Is Grade Grid free?
Is Frizzle free?
Which has better reviews, Grade Grid or Frizzle?
Do Grade Grid or Frizzle have ads?
Which is updated more often, Grade Grid or Frizzle?
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