Grades! vs Marvel Light
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grades!
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This is a very basic, simple calculator for teachers. It allows you to add up the grades students score for every aspect of their assignments and homework. Rather basic. Its free. No ads. No tracking.
Marvel Light
Control LED lights via Bluetooth. Adjust display modes, colors, and brightness. Create personalized lighting effects with ease.
- Bluetooth Low Energy control
- Adjust display mode
- Control color and brightness
- Set personalized display modes
- Easy to use, no pairing needed
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This is an APP that uses Bluetooth Low Energy(BLE) of the phone to control the led light. You can use this app to adjust display mode ,the color and brightness of the night lights that support this app. And also you can set a lot of personalized display modes to let the lights display as you like. It is very easy to use, no need code pairing or other more setting, just install it and play it.
Screenshots
Verdict
The clearest difference is price: Grades! at Free against Marvel Light's $5.99. Marvel Light's advantage is update cadence (every 2 months vs every 86 months) and iOS requirement (10.0 vs 26.0). On 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
Grades! is free to download; Marvel Light costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Grades! ships an update every 86 months, Marvel Light every 2 months. The most recent releases landed on December 18, 2025 and September 18, 2026 respectively.
| Parameter | Grades! | Marvel Light |
|---|---|---|
| Price | Free — better | $5.99 |
| Rating | — | 2.3 (32 ratings) — better |
| Positive reviews | — | 36.4% of reviews |
| Number of ratings | — | 32 — better |
| Update frequency | Every 86 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Markus Meyerhofer | 奇勇 颜 |
In-app purchases
Grades!
No in-app purchases
Marvel Light
No in-app purchases
Questions
Is Grades! free?
Is Marvel Light free?
Do Grades! or Marvel Light have ads?
Which is updated more often, Grades! or Marvel Light?
Other comparisons
