3Dfits vs SizeGo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3Dfits
This app offers a virtual fitting solution for online footwear and insole shopping. It uses advanced technology to scan your feet and provide accurate size recommendations, helping you find the perfect fit and avoid discomfort or returns.
- Virtual foot scanning
- Accurate size advice
- Footwear and insole recommendations
- Reduces returns
- Environmentally friendly
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Right Fit. First Time.™ 3Dfits™ is a virtual fitting solution that provides valuable insight into online footwear and insole shopping. The revolutionary new app gives you the right fit, the first time. Utilizing state-of-the-art technology, the 3DFits app provides a quick and efficient solution for consumers looking for the perfect fitting footwear and insoles, in just a few clicks, regardless of the brand. Why 3Dfits? 1. Scan your feet using your mobile phone 2. Get accurate size advice and choose from your favorite brands 3. Say goodbye to improper fitting footwear or insoles and foot pain 4. Save the hassle of ordering multiple sizes and having to deal with returns, and leave an environmentally friendly footprint
SizeGo
Easily compare and convert clothing sizes across different brands and countries. Find accurate size charts for men, women, and children, with options to browse by category or specific brands. Avoid shopping mistakes with this user-friendly utility.
- International size conversion
- Brand-specific size charts
- Category-based browsing
- Side-by-side comparison
- User-friendly interface
- Frequent data updates
- No account required
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Compare tops, bottoms, outerwear, underwear, bras, hats, shoes, and rings for women, men, kids, and baby. Countries include Korea, the United States, the United Kingdom, Europe, Japan, China, France, Italy, and Australia. Save the size you wear for yourself or for someone in your family, tagged with the country that size came from. SizeGo shows that size alongside the matching size in another country. Save conversions you want to reuse. Open a brand’s own size guide when you want the brand’s page. No account is required. Your sizes and saved conversions stay on this phone. Size charts are a guide for shopping, not a guarantee of fit.
Screenshots
Verdict
The clearest difference is iOS requirement: 3Dfits at 13.0 against SizeGo's 15.1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
3Dfits ships an update every 3 months, SizeGo every 2 months. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.
| Parameter | 3Dfits | SizeGo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 69 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | MEGA InTech Inc. | LUCKPLE LLC |
Customer experience
3Dfits
SizeGo
In-app purchases
3Dfits
No in-app purchases
SizeGo
No in-app purchases
Questions
Is 3Dfits free?
Is SizeGo free?
Do 3Dfits or SizeGo have ads?
Which is updated more often, 3Dfits or SizeGo?
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