Disclosure up front: FitVault is our own product. We made it, and I am writing this as its maker, so read everything below as a seller's account, not a neutral review.
This is a build-in-public note about a deliberately odd positioning decision: pricing a training log at a dollar when the market around it charges monthly.
The market, as far as I can see it
These are search observations, not market studies.
- A search for "obsidian training log" returns zero direct products.
- The adjacent Notion fitness-template market is heavy. A search for "fitness notion template" returns 795 results, and the rated incumbent I found, PRO COACH, sits at $78.69.
- Workout apps charge $5–16 a month. A Hacker News thread from August 2026 asks it plainly: "Why is a local workout log a $5–16/month subscription?" It has 3 points, so I am citing it by title and date, not as proof of anything large.
- At the other end, free spreadsheet grids are everywhere.
So there are two crowded ends, subscription apps and free grids, and an empty shelf in the middle for people who already live in Obsidian.
The wedge: the system, not the grid
A grid is a place to type numbers. Most of what makes a training log work is not the grid. It is the rules around it:
- a closed slot vocabulary (warm-up, main, assistance, notes) so sessions stay comparable;
- a load rule: kilograms, multiples of 2.5, or bodyweight;
- notes-for-next-time checkboxes that feed a next-session preview;
- a four-week block contract, where weeks run 65/75/85, 70/80/90, 75/85/95 with a rep-out at 95 percent, then a deload at 40/50/60;
- a training max defined as 90 percent of the 1RM, rounded to the nearest 2.5 kg, with a stated tie rule.
We sell those rules with the arithmetic printed. In the 5/3/1-style weeks, the week-1 loads are frozen: squat 77.5/87.5/100, bench 55/65/72.5, press 35/42.5/47.5, deadlift 95/110/122.5. The press has an exact-tie case, 41.25, which rounds up to 42.5, and it is written out so nobody has to wonder.
The Epley PR check is printed the same way: 100 × 5 gives 116.67, which rounds to 117.5. That kind of detail is boring, and boring is the product.
Zero dependencies, on purpose
FitVault is 18 files: 17 Markdown files and a license file. No code, no scripts, no CSV or XLSX. It runs in vanilla Obsidian, and the vault says so: no plugins required, and Bases and Dataview are optional upgrades that the vault works without. Inside the vault there are no URLs, no accounts and no network steps.
The practical effect is that there is nothing to break. If Obsidian disappeared tomorrow, the files would still open in any text editor. That is the ownership argument, and it is also the reason I was comfortable pricing low: there is no server for me to pay for.
It tracks bodyweight and a rolling four-week average, with the sum shown, for example (82.5+82.3+82.6+82.4)÷4 = 82.45. It does not do macros, diet plans or calorie counting. I left those out on purpose.
How it was checked
Before launch the kit went through an independent quality gate: 11 of 11 checks passed across 706 individual checks, with 0 defects, dated 2026-10-28. That tells you the files are internally consistent, for example that the printed arithmetic agrees with itself. It says nothing about whether the kit suits you.
The honest part: zero reviews
It launched on 2026-10-28. There are no reviews, no ratings and no sales numbers I can point to, and I will not invent any. If you buy it, you are early, and the page will tell you the truth about that.
Price
The current intro price is $1.00 USD. At 10 confirmed sales it steps to $1.50, and it steps again as sales accrue, so check the page rather than trusting this post. I will not promise it stays at $1.
Link: https://nandminc.gumroad.com/l/fitvault-kit
Limits
This kit logs training; it does not give medical, nutrition, or rehabilitation advice. The license is personal use, no resale: one trainee, or one coach logging their own clients. The worked example is one fictional lifter, Alex Rivera, in Block 7, and all names of people and figures in it are fictional.
If you try the approach and it fails for you, I would like to hear why. That feedback is worth more to me than the dollar.
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