Filament.uno vs Whack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Filament.uno
Easily manage your 3D printing filament stock. Track what you have, add new spools, and maintain your inventory with simple tools.
- Add filament spools
- Manage inventory
- Maintain filament stock
- Simple functionality
Read full descriptionHide full description
Filament.uno makes 3D printing inventory easy by providing simply functionality to add, manage and maintain your filament inventory.
Whack
This game makes math practice engaging and challenging. As you tap numbers, the game speeds up, turning your math drills into an alert and focused experience. It's designed for those who enjoy a high-difficulty approach to learning.
- Engaging math practice
- Increasing difficulty
- Focus enhancement
- Game-like interface
- Quick reaction challenges
Read full descriptionHide full description
Math can be hard, and staying focused on math can be even harder. Whack-A-Num exists to keep you awake and alert during hours of math practice. With every number tapped, the bubbles move faster. The calculator for people who play video games on Hard Mode.
Screenshots
Verdict
The clearest difference is rating: Whack at 5.0 against Filament.uno's 3.7. Whack also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume 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. Filament.uno sells 1 one-off in-app purchase. Whack asks for nothing beyond the download.
Whack holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 67% of Filament.uno's written reviews are positive against 100% of Whack's.
Filament.uno ships an update every 3 months, Whack every 3 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | Filament.uno | Whack |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.6 | 16.6 — better |
| Further details — not scored | ||
| Size | 13 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Sohier | Danielle Lewis |
Customer experience
Filament.uno
Whack
In-app purchases
Filament.uno
- Filament.uno PRO$2.99
Whack
No in-app purchases
