A ₱29 web love letter: a solo Filipino developer who acted out the long-distance relationship himself, drew 80k people to his site

Filipino indie developer Kenji Buena built a web love-letter generator, Letter4U: pick a template, fill in words, add photos, and generate a link to send to your partner. It took off without features or paid acquisition. He filmed himself on TikTok as a long-distance partner receiving a web love letter; a few videos together passed a million views, and the site collected 80k sign-ups in half a year. The Android version he listed in October has only 3,173 installs. This piece covers how it took off, where the money comes from, and why this playbook can be run again in another country.

A video with 690k views

2026 Apr 15, the TikTok account @kiiinji posted a video with just one line of text:

sending her virtual letters cus we're in a long distance relationship

No features, no pricing, just an open love letter on screen. As of Nov 6, the video has 692k plays and 33k likes, with 4,193 comments. The top-liked comments are "haha might try this" and a long Taglish (Tagalog-English mix) comment: "this idea is so unique, especially for people in LDRs like me."

8 days later, in Apr 23, he posted a set of numbers on Instagram: 5 days, 700k views, 6,000 sign-ups, and 2,170+ pages made. In Sep 4 he posted on Facebook: "Letter4U registered users hit 80k."

This account belongs to the developer of Letter4U himself. The bio lists a business email, and later video captions all include "letter4u.me or search it in playstore."

What it is: a link that opens into a small surprise

Open letter4u.me and the homepage opens with "A little page made with a lot of heart." Below is an "occasion inspiration board" that lets you pick templates by occasion, so you're not staring at a blank form:

• Secret Valentine Letter: the recipient must enter a four-digit PIN to open the love letter;
• Galaxy-Locked Love Letter: a lock with a constellation pattern, and once unlocked, photos fly out with a "big bang" effect;
• Birthday Memory Cake: each photo gets a birthday wish, assembled into a cake;
• 3D snow globes, 3D bouquets, a little house you can walk into to see photos, a potion cauldron, teddy bears, a teacher appreciation chalkboard, graduation caps...

After publishing, you get a letter4u.me/viewer/... link to send via Messenger, and the recipient opens it and unlocks it step by step. The Google Play version launched in Sep 23, and in Oct 2 it announced a "couple home screen widget," which is essentially a web wrapper in an app shell.

Why the Philippines, and why now

Nearly every video is tagged #monthsary and #ldr.

Monthsary (monthly anniversary) is a habit among young Filipino couples: they celebrate every month together, twelve times a year. Physical gifts are too expensive, and a plain "happy monthsary" feels too light. A web page that costs a few dozen pesos, can be opened, and feels ceremonial hits the sweet spot.

LDR (long-distance relationship) is very common in the Philippines: lots of overseas workers, and students moving to Manila or Cebu. When you're not together, the only gift you can give is a link.

Put together, the demand is frequent, low-priced, and impulse-driven, and every gift sent is seen by the person receiving it. Whoever opens the gift sees the letter4u.me link, and the next time they're the one giving a gift, they'll likely use it too (inference).

Where users come from: the developer is the protagonist

His best videos all ran from 4 to August (TikTok views, 11-06):

The formula is fixed: first-person couple POV, "my boyfriend made me a website," "LDR anniversary gift," acting out only the moment of receiving the gift, no feature explanations, link in bio. He also swaps roles, sometimes playing the boyfriend, sometimes the girlfriend, sometimes with #wlw (women-loving-women) tags.

Several things support this main engine:

• Bystander footage. In Apr 24, @jjnna.may posted "I saw Kenji made this free love letter website," with 380k views.
• Trading follows for credits. The site's "Earn" page says "one account, complete one social task, get 1 free credits," with tasks like liking and following his account. There's also a daily check-in that requires staying on the page for 10 seconds, with streaks counted by Philippine time; miss a day and you start over from day one.
• Revenue share for creators. The same site recruits promoters: fill in your follower count, profile link, and desired discount code. Orders placed with your code earn a 50% commission, and there's a "ready-to-post asset pack." The "use code LOVE" on TikTok came from this.
• Comment sections. Under the viral videos, the most-liked comments are often long, ad-like Taglish paragraphs: "I recommended it to at least 20 people last week and every one came back to thank me," "this website feels like it was made by someone who really believes in love." There are also generic praise comments in Arabic and Indonesian. One user replied "what in the ai is the comment section." The comment sections are likely seeded (inference, unverified).

After October, this engine clearly stalled. From Oct 18 to Nov 2 he posted 7 videos, each getting only 400 to 700 views. The Play install curve is also lukewarm (Google Play installs): 10-29, 2,086,10-31, 2,560,11-03, 2,933,11-05, and 3,173,7 days later it added 1,087, only in one Philippine storefront, ranking between #101 and #132 in the Art & Design free chart. The app now mostly draws on the website's existing users.

The money: sold by credit, a page costs a few dozen pesos

Website store prices (11-06):

Most templates cost "3 credits and up, with price scaling by text length and photo size," and a few simple templates cost 1 credit. The Play version's in-app purchases run from $0.49 to $3.19 per tier, which are these packs. The homepage banner also says: "I'm taking custom website and app commissions, chat with me on Messenger." The product also serves as his freelance showcase.

Revenue isn't public. Here's a rough sense of scale (pure estimation): if 5% of 80k sign-ups paid once at an average of ₱100, that's about ₱400k total, roughly $7,000. Doubling the conversion rate only gets you to the low tens of thousands of dollars. This is a low-ticket business that relies on volume. People do care about the payment point, though: under the video with 420k views, the top-liked comment is "don't waste your time, making one requires credits, and credits cost real money." Someone else uploaded "letter4u unli credits" (unlimited credits) to TikTok, with 6,400 views.

Who it's competing with

The category has a very low barrier to entry, and many people around the world are building it at the same time:

Letter4U isn't the first, nor the biggest. It wins on two things: first, it's local, with monthsary, Taglish, and peso pricing, and the developer is himself a young Filipino; second, its templates feel like toys, PIN locks, starry-sky locks, 3D snow globes, which suit short videos better than a plain text letter. Anyone can copy the features in a week or two, and Garden Letters and letterforu are already copying them.

If it were you

One-line verdict: worth trying, but don't copy the Philippines, copy the playbook. Pick a Southeast Asian country no one is seriously working yet, and redo the "web gift + acting out receiving it in POV" approach with the local language, local anniversary customs, and small local-currency pricing. It's a small business you can build. It's hard to make it big.

Who it suits: you're a young local yourself, or you know someone willing to appear on camera; you can shoot, and you're willing to film couple POV short videos; you can use tools like Lovable or v0 to put together a website in a week or two. This is something one person can finish.

Who it doesn't suit: people unwilling to show their face, who can't shoot short videos, or who expect organic app store traffic. Letter4U's app version doesn't rely on videos, and after over two months it has only three thousand installs. If you want the English market, skip this; 2-luv, LoveTale, and gifft.me are already there. If you're counting on it to support yourself, the price per sale is too low, so weigh that carefully.

How to build it: start with the website, not the app. The gift is a link, and the recipient doesn't need to install anything. Prepare 5 to 10 templates that feel ceremonial when opened: PIN lock, open envelope, unwrap gift box, 3D small scenes, pretty enough to be worth filming. Charge small credit amounts, keep the first purchase below the price of a milk tea, and give a few free credits on sign-up. At the bottom of the page the recipient opens, add a "I want to make one too" button.

How to get users: you are the protagonist. Act out first-person "my partner made this for me," film only the moment of receiving it, one video a day, with local anniversary terms as tags. At the same time, launch a promoter revenue share, giving small creators who post videos with your code a 50% commission. Letter4U does exactly this now. Before picking a country, think it through: Indonesia already has UcapanPacar posting daily; for Vietnam, Thailand, and Malaysia I haven't seen any obvious local players (unverified; first search TikTok for "love letter website" in the local language and see).

Before when: launch before the 2027 Valentine's Day. January posted POV videos daily. Valentine's is the biggest peak for this category all year. Miss it and you're waiting for national holidays and graduation season.

Signs you're reading it wrong: ① You post 30 POV videos in a row and none pass 50k views. Acquisition here is all content. If content doesn't take off, nothing else matters. ② After the free credits run out, fewer than 2% of signups pay. Locals will play but won't pay. ③ Big tools like Canva and CapCut launch free "make a shareable interactive gift page" templates and the category gets flattened overnight. ④ On the flip side, if you see local sites like UcapanPacar running steady Meta ads, the unit price is low but the math works, so it's worth adding spend.