What Rahman does

Coretan Uman is a personal blog founded in 2013 and operated solo by Indonesian individual Rahman Supriyatman (pen name "Uman"). Running on Google's Blogger/Blogspot platform with a stated headcount of one and no formal legal entity, the site publishes free, Bahasa Indonesia content spanning a wide range of hobbyist and consumer topics: classic PlayStation 1 game guides (especially the Harvest Moon series and ePSXe emulator tutorials), Android tips, software downloads and driver references, blogging tutorials, lifestyle content, and — as of 2026 — retail forex and prop-firm articles. The audience is general Indonesian internet users searching for free how-to material in their native language; there is no enterprise, SMB, or paying-customer segment.

Name

Rahman

Legal name

Coretan Uman

Website

https://coretan-uman.com

Company type

Private

Founded year

2013

Operating status

Operating

Short description

Coretan Uman is a personal Indonesian-language blog operated solo by Rahman Supriyatman since 2013, publishing free tutorials on Harvest Moon PS1, Android, technology, and forex trading, monetized via display ads and small reader tips.

Ownership category

akta.pro rank

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Technology or R&D, Marketing or Sales, Others

Revenue model

1. Infolinks PPC Advertising: In-text advertising program where the blog earns revenue when visitors click on contextual ads within blog content. The author uses a workaround to display Infolinks ads on Indonesian-language blogs by first registering an English-language blog.
2. adf.ly Shortened Links: URL shortening service that pays for each person who views ads before reaching the destination link. Used for monetizing downloadable content and external links.
3. SociaBuzz Tips/Donations: Reader donations via SociaBuzz platform with minimum tip of 5,000 IDR. Readers can support the blog after finding articles helpful.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Coretan Uman is a personal Indonesian-language blog publishing free articles, tutorials, downloadable files, and step-by-step guides on classic PS1 gaming (especially Harvest Moon Back to Nature), Android and PC software, forex trading basics, blogging tips, and general lifestyle content. The blog does not sell products, subscriptions, or services — it is a free content publication monetized through in-text display advertising (Infolinks), shortened-link advertising (adf.ly), and voluntary reader tips via SociaBuzz.

Product overview

Coretan Uman is a personal blog (content platform) operated by Rahman Supriyatman. The blog publishes free informational content including tutorials, downloadable files, gaming guides for classic PlayStation 1 games (especially Harvest Moon Back to Nature and Save The Homeland), tech how-tos, blogging guides, and health/lifestyle articles. The blog does not offer a paid product or SaaS service — it is a content publication monetized through reader tips via SociaBuzz and display advertising.

Differentiator

Problem solved

Functional benefit

Products and services

• Coretan Uman Blog Content A free Indonesian-language personal blog providing tutorials, downloadable content, gaming guides (notably Harvest Moon Back to Nature for PS1/ePSXe), Android and PC software how-tos, forex trading beginner guides, blogging tips, and lifestyle/health articles. Content is freely accessible to all visitors with no paywall or registration; intended for Indonesian internet users and hobbyist gamers.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Kumparan: Major Indonesian digital content and news platform with broad vertical coverage. Operates in the same Indonesian-language content-and-advertising market but at vastly larger scale across news, lifestyle, and entertainment verticals.
• Hipwee: Indonesian digital content platform publishing lifestyle, tech, and informational articles for a young Indonesian audience. Comparable in Indonesian-language ad-supported content model with broader topic coverage.
• IDN Times: Large Indonesian millennial-focused digital media network covering news, lifestyle, gaming, and technology. Comparable in Indonesian-language content monetization but operates at significantly greater scale and editorial breadth.
• Brilio: Established Indonesian entertainment and lifestyle content platform monetized through advertising. Comparable in Indonesian content market and ad-supported business model, but covers a broader lifestyle remit.

Direct peers

• Selular.id: Indonesian-language mobile technology content site covering Android tutorials, app guides, and consumer telecom topics. Overlaps directly with Coretan Uman's Android/software download and how-to categories.
• JagatReview: Long-running Indonesian-language tech review and tutorial site monetized via advertising. Comparable in audience (Indonesian consumers seeking how-to tech content), content format (tutorials and guides), and ad-supported business model.
• Kincir: Indonesian gaming and entertainment content network publishing gaming tips, walkthroughs, and lifestyle content. Comparable in gaming-tutorial category and Indonesian-market targeting.
• Tek.id: Indonesian tech media platform publishing how-tos, product guides, and tutorial content for an Indonesian consumer audience. Comparable in vertical (consumer tech tutorials) and ad-supported content monetization.
• Dafunda: Indonesian-language gaming and entertainment content site that publishes tutorials, news, and downloadable content monetized primarily through advertising. Directly comparable in topic mix (gaming coverage, downloadable assets) and Indonesian-market focus.

Others

• Kaskus: Indonesia's largest online forum/community, attracting overlapping Indonesian gaming and tech audiences. Different distribution model (UGC forum vs. personal blog) but adjacent ecosystem for the same reader demographic and ad monetization.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Rahman