Looking for a dcaBTC alternative?
dcaBTC deserves real credit: it made Bitcoin-only DCA backtesting a thing people do, and its guides are genuinely good. This page is not here to mock it. It exists because when we checked dcabtc.com on 11 August 2026 its results weren't rendering, and people searching for an alternative deserve a straight, dated account of what we saw and what this site does differently.
By drix · Last checked 11 August 2026
Try this calculator insteadWhat we found when we checked
On 11 August 2026 we loaded dcabtc.com in an ordinary browser. The page and its inputs worked normally. On the default scenario ($10 weekly for 3 years), "Total Invested" correctly showed $1,570 — but "Total Value" rendered as "$NaN" with "NaN Satoshis", and "Percent Change" showed "NaN.undefined%". The prefilled tweet read "…would have turned $1,570 into $NaN (-NaN%)".
That pattern — invested amount fine, value broken — looks like a price-data feed problem rather than abandonment, and it may well be fixed by the time you read this. We date every observation for exactly that reason. If dcaBTC is working when you visit it, tell us and we'll update this page — confirmed corrections jump the queue under our corrections policy.
What dcaBTC gets right
Its interface is one of the cleanest in the niche: a handful of controls, no clutter, and defaults phrased the way people actually think ("$10 weekly for 3 years"). Its long-form explanations of what DCA is and why it suits volatile assets are better written than most, and its one-click link sharing made comparing scenarios with friends easy years before anyone else bothered.
If all you want is a quick "what would $X a week have done" — and it's rendering numbers again — dcaBTC answers that question well. The comparison below is for people who want the same answer plus the parts it leaves out: fees, risk metrics, benchmarks, and a way to check the math.
Side by side
Everything in the dcaBTC column is what we observed on 11 August 2026. An means we could not find the feature, not proof it doesn't exist; a means we could not verify it because results weren't rendering.
| Feature | dcaBTC | This site |
|---|---|---|
| Buy frequencies | Daily, weekly, every two weeks, monthly | Daily, weekly, bi-weekly, monthly |
| Date range | 6 months to 9 years back, or a specific date | Any start and end date from 18 Aug 2010 |
| Results rendering (checked 11 August 2026) | Could not verifyValues showed $NaN | Yes |
| Exchange fees modeled | Not foundNot that we found | YesAny custom % |
| Annualized return (XIRR) | Not found | Yes |
| Max drawdown | Not found | Yes |
| DCA vs lump sum | Not found | Yes |
| Benchmarks | Could not verify"Compare to other assets" toggle; output unverifiable | S&P 500 total return, gold, CPI, savings |
| Transaction history + CSV export | Not foundNot that we found | Yes |
| Sharing | Direct link + prefilled tweet | Link + share-card image |
| Embeddable widget | Not found | YesFree, on any site |
| Open source | Not foundNot that we found | MIT, on GitHub |
| Data sources documented | Not found | YesMethodology page |
| Price / account | Free, no account | Free, no account |
One honest difference in dcaBTC's favor: it keeps the whole tool on a single screen with fewer choices, and some people prefer exactly that. This site shows more, which also means there is more to look at.
Switching takes about a minute
Every dcaBTC setting has a direct equivalent here. Nothing to import and no account to create — just set the same schedule.
| On dcaBTC | Here |
|---|---|
| Purchase Amount | Investment amount — same idea, any number. |
| Repeat Purchase (daily / weekly / every two weeks / monthly) | Frequency — the same four options, same names give or take "bi-weekly". |
| Accumulate For + Starting | A start date and an end date. Pick the same window; an end date in the future switches to projections. |
| Compare to other assets? | Built into the results: S&P 500 (total return), gold, inflation-adjusted, and savings-account comparisons. |
| Copy Direct Link | Share button — the URL carries your exact settings, plus an image card for social. |
What you gain on top: a fee percentage that actually drags on returns the way your exchange does, XIRR and max drawdown so the risk is visible, CSV export of every simulated purchase, and a methodology page that writes out every formula and data source. The code is MIT-licensed on GitHub, and there's a documented API if you'd rather pull the numbers into your own tools.
How we compared
We loaded dcabtc.com in an ordinary browser on 11 August 2026, ran its default scenario, inspected each control, and recorded exactly what rendered. We intended to run our standard cross-tool test — $50 a week for five years — but with result values showing $NaN there were no numbers to compare, so this page compares features and observed behavior only.
We are not neutral; this is our calculator. That's why every claim is dated, every "not found" is labeled as such rather than as fact, and errors reported via the contact page get corrected with priority.
See your schedule with the numbers filled in
Same four inputs you know from dcaBTC, plus fees, XIRR, max drawdown, and benchmarks against the S&P 500, gold, inflation, and a savings account. Free, no account, open source.
Not financial advice. Both tools are educational simulations; past performance does not guarantee future results. dcaBTC is an independent product with no affiliation to this site; observations about it reflect a single check on 11 August 2026 and may no longer be current.