Teapot vs ProjectionLab: Retirement Planning Without the Learning Curve

A common story from ProjectionLab users goes something like this. They download the tool on a Saturday morning, having read that it is one of the most powerful DIY retirement planners available. That is true. They start entering data: income sources, expense categories, asset accounts by type, tax assumptions, Social Security estimates.

By Sunday afternoon they have most of it in. The results look impressive. The charts are detailed. The scenario modeling is genuinely deep. They also realize it took the better part of a weekend to get there, and they are not entirely sure they modeled the Roth conversion sequencing correctly for their situation as a couple.

This is not a knock on ProjectionLab. It is the tradeoff the tool makes explicitly. The depth is real. The setup cost is real. For some users that is exactly the right trade. For others it is not.

ProjectionLab's analytical engine is genuinely powerful. You can model tax bracket strategies, specify income and expense categories year by year, run Monte Carlo simulation, and build scenarios around IRMAA thresholds, ACA subsidy limits, and the NIIT cliff. A Tax Analytics heatmap shows how income falls across brackets by jurisdiction. It also includes a tax optimizer, capital gains harvesting in low-tax years, and a rule-based dynamic spending engine. The tax optimizer works by filling around income ceilings and brackets you specify in advance: you tell it the target, and it optimizes to stay under it.

For users who enjoy building detailed financial models and want to stress-test every variable in their plan, ProjectionLab offers a level of analytical depth that few tools at any price point match.

The Setup Is a Real Time Investment

The most consistent theme in ProjectionLab reviews is not a bug or a missing feature. It is the setup time. Reviewers describe an initial onboarding that requires entering all income sources, expense categories, asset accounts, tax assumptions, and Social Security estimates in detail before the tool produces meaningful output. One reviewer put it plainly: done properly, the initial setup takes several hours. The interface has many options, and reviewers consistently describe it as overwhelming at the start.

For users who want to get to a specific answer quickly the setup cost is a real barrier.

You Need to Know What to Target

ProjectionLab's tax optimizer is powerful, but it works by asking you to define a ceiling. You set a target bracket, an IRMAA tier to stay under, or an income limit, and the tool optimizes around what you told it to target. That requires you to already know which threshold matters most in your situation and which year to focus on first.

Teapot takes the opposite approach. You enter your situation once and the tool runs a predefined set of conversion strategies automatically, with IRMAA, ACA, NIIT, and bracket effects built into the tax calculation for every year. The strategies are ranked by after-tax ending wealth and the strongest path is identified for you, without you needing to specify a target in advance.

There is also an interaction between withdrawal amounts and conversion amounts that target-setting does not fully resolve. The bracket headroom available for a conversion depends on how much was already drawn from Traditional to cover spending — and vice versa. Teapot solves these in the same simulation loop each year, so the two decisions inform each other rather than being optimized separately against a user-defined ceiling.

All 50 States vs Federal-First

ProjectionLab's tax optimizer focuses on federal brackets and joint-filer income splitting. State-level tax-cliff modeling is not a headline feature. For retirees in high-tax states or those planning a future state move, the difference between federal-only modeling and a full 50-state tax engine is material — state income taxes can meaningfully shift the optimal conversion amount and timing in each year.

ProjectionLab fits users who want to model their entire financial picture in one place, enjoy the process of building and refining a detailed financial model, and are willing to invest setup time in exchange for broad scenario flexibility. It is particularly well suited to users who already understand their tax situation well enough to set meaningful optimization targets.

Teapot fits users who want to reach a specific answer quickly — the strongest Roth conversion strategy for their situation, a year-by-year withdrawal plan with state tax accuracy, projections that account for all 50 states without requiring additional research — without spending a weekend on data entry. It is also a stronger fit for couples who want per-spouse Roth conversion sequencing handled automatically rather than configured manually.

ProjectionLab is one of the most powerful DIY retirement modeling tools available. Its tax optimizer is a genuine capability and the tool covers IRMAA, ACA, and NIIT. If building a comprehensive financial model is appealing and the setup time is not a barrier, it delivers real depth.

Teapot trades breadth for speed and a different optimization philosophy. Rather than asking you to set a target, it runs the full set of strategies and surfaces the best outcome. The all-50-state tax engine, the guided setup, and the automated strategy comparison are designed for users who want a clear recommendation without first needing to know what to ask for.