"I'm 67 and my legs are bad, I can't stand up": a free chair workout app without even demo videos, 710k installs in 85 days

Chair Workout at Home, from BLUEBASE, a small indie developer in the Philippines, went live on Google Play in Aug 13 and reached 717k cumulative installs by Nov 6, adding 92k over 7 days, and climbed to #5 on the US Health & Fitness free chart. The product is simple, charges no subscription, and runs only ads. It wins on two things: in a category where everyone charges a subscription, it's genuinely free; and its install numbers look like they were bought in batches. Below: what it is, where the installs come from, where the money comes from, who competes with it, and whether you could build one yourself.

A review 64 people marked helpful

In Oct 2026 5, a US user gave it five stars on Google Play: "I only do the seated routines because I'm 67 and my legs are bad, and it's hard for me to get up. I like to exercise, but you push a notification every 5 minutes…" (I'm 67 and I have a hard time getting up with my legs). 64 people marked it helpful.

That one review pretty much covers the whole app: real users who want to move a little, a product that works, and ads and notifications turned up high. The same week, someone wrote: "I finally found a free fitness app, and now I think I can keep going, for myself and for my son." A three-star review said: "I love the stuff, but there are too many ads, every tap loads one first. I put up with it because I like the moves."

What it is

A seated home fitness app: low-impact, no equipment, body-part routines, short fat-burning sessions, daily reminders and water reminders, plus a few quiz questions. The store title is the exact search term "Chair Workout at Home", and the package name stuffs in keywords: chairworkout, homeworkout, seniorsworkout, easy, loseweight. The description targets beginners, seniors, office workers, and people who want low-impact exercise.

The store page says "Contains ads" and lists no in-app purchases. The developer is BLUEBASE, registered as "BLUEBASE APPLICATION HOSTING SERVICES", based in Quezon City in Metro Manila. The website bluebaseph.com is a single landing page, and the privacy policy is hosted on Google Sites. One review reads "thank you po", where po is a politeness particle in Filipino.

How big it is now

From mid-September on, it added a steady 10k to 18k installs a day. In the first days of Oct 5, 8 and 21 it spiked to 40k to 60k. The curve climbs in steps rather than spiking like a viral content hit, which looks more like a budget being scaled up.

Where the installs come from: bought, plus a strong name

The strongest signal is the tiny number of ratings. 985 ratings against 717k installs is only 0.14%. Similar chair fitness apps usually sit above 1% (Google Play, 11-06):

That's an order of magnitude apart, which means most installs are low-intent: likely interstitial or rewarded ads in other apps, or ad networks sending traffic (inferred). 21 stores charting at once, including cheap-acquisition markets like Brazil, Nigeria, and Saudi Arabia, fits that picture. A one-star review also says: "it took over my home screen and added at least 10 apps I didn't want, and there's no chair workout at all." So some users clearly came in through very aggressive ad redirects.

It doesn't show up in Meta, Google, or TikTok public ad libraries, so I couldn't find which channels it used or how much it spent. Searching "chair workout app" on TikTok and X turns up none of its content, no creators, and no press coverage.

Three secondary tactics are visible too: the name is a search term, so it catches store search; once it hit #5 on a free chart, the chart itself brought organic exposure; and the store's "More by BLUEBASE" section cross-promotes its three other apps.

It's not the first time they've done this, either. BLUEBASE's earlier app "Chair Workout: Women's Edition" went from 2025 November 100k installs, to 2026 May 500k, and passed 1M in June, with an estimated 1.46M now (androidrank). Its rating count is only about 0.2% of installs, which points to the same audience. The women's version proved that "chair workouts + free + ads" can pay off. Then in August they relaunched the same content under a broader, more search-friendly name and pushed volume again (inferred). The studio also has Weight Loss for Senior and two muscle-building apps.

Where the money comes from

No in-app purchases, just ad impressions. The reviews spell out the monetization: "Every tap shows an ad first" "Ads never end, impossible to work out" "A notification every 5 minutes" "I don't need an app reminding me to drink water." The water reminders and frequent pushes exist to pull people back to see more interstitials.

Whether the math works depends on two sides. Paid traffic goes to cheap markets like Brazil and Nigeria, while ad revenue comes mainly from older users in the US and Canada, where ad rates are higher. If they blend the spend, it probably pencils out, or the women's version wouldn't have been pushed to 1M and the developer wouldn't have made a second app (inferred; revenue and payback period not found).

Why older users stick around

• The need is real. "I have severe disabilities, but here nobody forces me to do moves I can't do" "Perfect for my age" "Did it once and my hip feels better" (this one was marked helpful by 55 people).
• Free is the biggest selling point. "Finally found one that's free" was marked helpful by 15 people, "Love this app, it's free." Top products in the category open to a subscription wall. This one doesn't.
• Low barrier. "First time doing it, very easy" "Good for beginners."

The weaknesses are obvious too: too many ads, pushy notifications, no demo videos ("a short video for each move would be better"), the pace is too fast, and some people got the Spanish version. The average of the recent 83 US reviews is 4.52 stars, with almost all one-star reviews complaining about ads and notifications. Many short five-star reviews ("good 👍" "best app I like this app"), though how many ratings were prompted by in-app nudges is unclear.

Who it's competing with

Chair workouts and senior fitness are already crowded, and nearly all of them charge subscriptions:

Compared with these products it has no functional edge and not even demo videos. Only two things are different: it's truly free, and it has a name that matches a precise search term. Those aren't product strengths, they're business model and distribution, but they let cheap bought traffic monetize directly through ads without needing to convert people into paying users.

Almost nobody outside has noticed it: no revenue disclosures, no press coverage, no discussion on X, only auto-indexed sites like AppBrain and Similarweb list it. I didn't see anyone specifically tracking it; the closest followers are developers themselves.

If it were you

One-line verdict: you can follow it, but what you're copying is a paid-acquisition and ad-monetization business, not a fitness product. In a fitness niche saturated with subscription products, build "truly free + ads," name it after an exact search term, validate payback with a narrow audience version first, then switch to a broader name to scale.

Who it suits: a team of 1–3 people with experience in paid acquisition for utility or casual games who understands ad monetization: they can integrate mediation like AdMob or AppLovin MAX, read payback data by country, and have a few thousand to tens of thousands of dollars to test with. The content is doable by one person: a move library, timer, and reminders, live in two or three weeks.

Who it doesn't suit: teams with no paid-acquisition budget who want to wait for organic store traffic (its traffic is mostly bought, and the 0.14% rating ratio says it all); those who want to build long-term brand and reputation through product experience (this business's users have low intent, and the one-star reviews are all about ads); those who want to sell subscriptions (that's LazyFit and BetterMe's turf, and you can't afford their annual ad spend).

How to do it:

• Change the category, keep the playbook: beyond chair workouts, consider "bed stretches," "knee rehab exercises," "desk-sitter routines," "light exercise for pregnancy/postpartum," and "balance training for seniors." These are niches where subscription products dominate, free products are scarce, and the name itself is a search term. Pick one and test with the narrowest audience version.
• Change language and region: it mainly serves English-speaking markets. Similar search terms in Spanish, Portuguese, German, and French are worth a separate localized listing (reviews already show people complaining about getting the Spanish version and wanting English, a sign the language versions are messy).
• Do what it does badly: add short demo videos for each move, adjustable pacing, and restrained notifications. Keep the ads, but don't make it "tap anything, ad first," since nearly all the negative reviews are about that. Fix it and you keep more users.

How to acquire users: follow its path. The name and package name are the search terms; at launch, use app-promotion ads in cheap markets (Brazil, India, Southeast Asia, Nigeria) to build volume and rankings, with older users in the US and Canada providing ad revenue; once it climbs the category free chart, ride a stretch of organic traffic; cross-promote across your other apps. Rough bar: #5 on the US Health & Fitness free chart, which needs around 10k to 15k installs a day.

How early you need to be: this category has no real window; demand is persistent, and the risk is that subscription players eventually launch free + ad versions to cut in. Running a narrow version to get payback data within six months is the safer route.

What would mean you read it wrong:

• You put in the first budget, and by country, ad revenue after 30 days is still under half of acquisition cost. Switching two or three markets doesn't change it: the category's ad rates can't support paid acquisition;
• Its own daily installs fall to a few thousand by late November and it drops out of the top 30 on the free chart: it also didn't pencil out and stopped spending;
• Big subscription players like LazyFit or BetterMe launch a free version or spend heavily on store search terms: the free differentiator is gone.

---

Data and sources: Google Play store pages, charts, and reviews (10-29 to 11-06); AppstoreSpy install estimates; androidrank and AppBrain developer pages; bluebaseph.com; the Meta Ad Library; TikTok and X searches (11-06). Places marked "inferred" or "estimated" are inference and estimates.