HarmBlock+ vs 3D Printing AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HarmBlock+
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HarmBlock+ is a digital safety and parental control service that helps guardians manage their children’s HMD Fuse devices through the HarmBlock+ app. After creating an account and pairing the HMD Fuse device, guardians can monitor their child's device activity such as location, screen time, and step count, while also setting boundaries with features like School Mode, Bedtime Mode, app usage limits, contact permissions, timers, and notifications. Guardians are also able to control the HarmBlock AI solution, a pre-trained, self-contained AI protection system that blocks nude content from being displayed on the screen, captured by the camera, or stored on the device.
3D Printing AI
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Your ultimate AI-powered companion for 3D printing! Whether you’re just starting out or already a pro, get instant guidance, creative ideas, and troubleshooting support to make every print a success. Creative Design Ideas • Household essentials • Tools & handy gadgets • Gaming accessories • Custom phone cases • Garden & outdoor designs • Automotive parts • Decorative objects • Mechanical & functional parts Expert Technical Support • Fine-tune your print settings • Choose the right filament • Get 3D modeling tips • Printer setup guidance • Post-processing techniques • Scaling & sizing advice • Temperature control help • File preparation assistance Smart Troubleshooting • Improve print quality • Fix adhesion issues • Prevent warping & curling • Solve gaps & holes • Correct dimensional errors • Fix filament jams & breaks • Solve heating problems • Hardware & calibration tips
Screenshots
Verdict
HarmBlock+ and 3D Printing AI are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | HarmBlock+ | 3D Printing AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 99 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | HMD Global Oy | STATION DEPART POINT |
In-app purchases
HarmBlock+
No in-app purchases
3D Printing AI
No in-app purchases
Questions
Is HarmBlock+ free?
Is 3D Printing AI free?
Do HarmBlock+ or 3D Printing AI have ads?
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