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Target Test Prep alternative

A far cheaper, source-cited alternative to Target Test Prep

Target Test Prep is a rigorous, analytics-heavy course with a very large — especially quantitative — question bank. If you want something much cheaper, fully cited, and broader than quant (including GRE subject tests), here's an honest side-by-side.

The honest part

Where Target Test Prep is stronger

We're not going to pretend Target Test Prep is bad — it isn't. If these matter most to you, it may be the better pick.

  • A very large, especially quant-focused, question bank
  • Detailed analytics and an AI study assistant (TTP AI Assist)
  • Highly structured, algorithm-driven study plans

Stay with Target Test Prep if a huge quant question bank and deep analytics are your priority.

Keiko vs Target Test Prep, side by side

Where the two differ. Every value is checked against each provider's own site.

KeikoTarget Test Prep
Price per month€8.99≈ $9.70from $179
Practice questions
AI study tutor
Every claim cited to its source
Confidence-vs-accuracy calibration
GRE Physics, Math & Psychology subject tests
Free study planner built from your exam date
Read every study page free, no account
Test-day pass — pay only through your exam

A check means the provider offers that feature. Prices are each provider's current standard (non-promotional) price, checked 7 August 2026. Target Test Prep leads on some things this table doesn't score — see “where Target Test Prep is stronger” above. This highlights where Keiko is different, not a full feature-by-feature match.

Why people choose Keiko

What you get by switching

  • €8.99 a month

    Keiko is €8.99/mo — less than Target Test Prep at from $179. Same honest access, lower price.

  • Every fact cites its source

    Exam facts and formulas link to the official test-maker page or a standard textbook, right next to the claim — no hand-waving.

  • See confidence vs. accuracy

    Rate how sure you are before each answer, then see that against how often you were actually right. Calibration, not just a raw score.

  • GRE subject tests included

    Physics, Math, and Psychology subject-test prep — coverage the big general-GRE platforms don't offer.

  • Free to read, no account

    Every study page and tool is open without signing up. Pay only if you want saved history, mocks, and the AI tutor.

  • No fake proof

    No invented reviews, no borrowed stats, no promised score jumps. The only numbers you see come from your own attempts.