App Development Company

GEM Custom Apps

Custom web and mobile app developer helping businesses plan, build, support and market software products

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TrustList summary

GEM Custom Apps is a software development business that has built web and mobile applications since 2004. Founder Stephen Fourie runs it, drawing on a background in custom software, automation, integrations and operational management, and the company helps clients from the first idea through launch and later growth.

Services

Product management: roadmapping, planning development stages and future releases for apps and SaaS products.
App development: mobile apps, web apps, APIs and backend platforms, built as scalable cloud systems using hybrid and cross-platform methods.
Support and maintenance: service desk, performance monitoring, fixes and new features after launch.
Marketing: marketing websites, SEO and PPC advertising to grow a product's user base.

Customers and markets

Business owners who want a custom app or SaaS product built and then grown in the market.

Key facts

Founded: 2004
Founder: Stephen Fourie
Platforms: web, mobile, API and cloud backends

Summary written by TrustList from the business's own published information, Sep 2026.

Categories & features

GEM Custom Apps rankings

GEM Custom Apps is ranked on 6 TrustList rankings: #1 on 1, #3 on 1, #8 on 1, #13 on 1, #24 on 1 and #38 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. GEM Custom Apps has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

App development company · 6 rankings

#1of 32
Backend
It is the only one of the 32 here listing PPC and one of 5 here listing monitoring.
Its profile: “- App development: mobile apps, web apps, APIs and backend platforms, built as scalable cloud systems using hybrid and cross-platform methods.”
Of the 32 here, 45 also cover android and 38 also cover eCommerce; 2 also work in California and 2 also work in Vancouver.
Behind BITLogix Pvt. Ltd, ahead of Adonis Software.
#3of 55
Saas
It is one of 5 here listing API and hybrid.
Its profile: “- Product management: roadmapping, planning development stages and future releases for apps and SaaS products.”
Of the 55 here, 29 also cover business services and 26 also cover education; 3 also work in Europe and 2 also work in New York.
#8of 86
Hybrid
It is the only one of the top 78 here listing SaaS and one of 10 here listing backend.
Its profile: “- App development: mobile apps, web apps, APIs and backend platforms, built as scalable cloud systems using hybrid and cross-platform methods.”
Of the top 78 here, 35 also cover information technology and 26 also cover medical; 2 also work in Dubai and 2 also work in Fleet.
#13of 261
Mobile app
It is one of 12 here listing creative and one of 21 here listing SEO.
Its profile: “- Founded: 2004 - Founder: Stephen Fourie - Platforms: web, mobile, API and cloud backends Custom web and mobile app developer helping businesses plan, build, support and market software products”
Of the top 62 here, 33 also cover app development and 31 also cover mobile app development; 4 also work in Ahmedabad and 3 also work in Indore, India.
Behind Core Mobile App Development.
#24of 36
Ppc
It is one of 10 here listing mobile app.
Its profile: “- Marketing: marketing websites, SEO and PPC advertising to grow a product's user base.”
Of the 36 here, 40 also cover SEO and 20 also cover creative; 3 also work in Delhi NCR and 2 also work in Chandigarh & Mohali.
Behind Fortigrid ICT, ahead of Gem Web Services.
#38of 58
Monitoring
It is the only one of the 58 here listing PPC and one of 4 here listing SaaS.
Its profile: “- Support and maintenance: service desk, performance monitoring, fixes and new features after launch.”
Of the 58 here, 23 also cover cloud; 2 also work in Edmonton and 2 also work in Alberta.
Behind Flow2Code, ahead of GEOGO Techsolutions.