STC vs Achievable: Series 65 Comparison

Traditional industry veteran vs modern AI-powered challenger. Head-to-head comparison of pricing, questions, guarantees, and learning features to help you choose.

Last updated: February 2, 2026 • Data verified: 2025-12-18

Who Wins Each Category?

Entry Price
Achievable
$199 vs $219
Guarantee Price
Achievable
$199 vs $247
Questions
STC
2,800+ vs 1,300+
Flashcards
STC
1,500+ vs None
Access Duration
Achievable
12 months vs 6 months
AI Features
Achievable
Adaptive + AI tutor vs None
Instructor Support
STC
Hotline vs AI only
Overall Rating
Achievable
4.5 vs 3.8

My Honest Take

This is a classic traditional vs modern comparison. STC brings 50+ years of experience with more questions (2,800+), organized flashcards (1,500+), and instructor hotline support at every tier. Achievable counters with AI-powered adaptive learning, a pass guarantee at just $199, and twice the access time (12 months vs 6 months).

The key decision point: Do you value question volume and human instructor support, or modern adaptive technology and longer access time? If you need flashcards, STC is the only choice between these two. If you want AI-powered learning with a guarantee at the lowest price, Achievable wins decisively.

Real talk: Achievable's $199 includes a money-back guarantee and 12-month access. To get a guarantee from STC, you need the $247 Premier tier and only get 6 months. That's a $48 difference plus 6 fewer months of access. Unless you specifically need flashcards or instructor hotline support, Achievable is the better value.

Pricing & What's Included

STC Tiers

Standard
$219
  • • Study manual (online + printed)
  • • Chapter quizzes
  • • Instructor hotline
  • • 6-month access
  • • ❌ NO guarantee
Premier
Popular
$247
  • • 2× Green Light diagnostics
  • • 1,500+ flashcards
  • • 12-hour video
  • • Instructor hotline
  • • 6-month access
  • • ✅ Pass guarantee
Premier Plus
$384
  • • Everything in Premier, plus:
  • • Live classes (virtual + in-person)
  • • 4 cities (NYC, Chicago, SF, Boston)
  • • 6-month access
  • • ✅ Pass guarantee

Achievable

Complete Self-Study
All-Inclusive
$199
  • • Online textbook
  • • 1,300+ review quiz questions
  • • 20+ full-length practice exams
  • • 40+ explainer videos
  • • "Ask Achievable" AI tutor
  • • Adaptive learning algorithm
  • • Spaced repetition system
  • • Progress tracking
  • • 12-month access
  • • ✅ Money-back guarantee

Note: Achievable offers only one all-inclusive package. No confusing tier choices. Everything is included at $199.

Value Analysis: Achievable at $199 includes a pass guarantee and 12-month access. STC's guarantee tier (Premier) costs $247 with only 6-month access. That's $48 more for half the time. Achievable wins on pure value unless you specifically need flashcards or instructor support.

Feature Comparison

Feature STC Achievable Winner
Practice Questions 2,800+ 1,300+ quizzes STC
Practice Exams 2× Green Light (140 Q) 20+ full-length (130 Q) Achievable
Video Content 12 hours (Premier+) 40+ explainer videos Tie
Flashcards ✅ 1,500+ (Premier+ only) ❌ NO STC
Access Duration 6 months 12 months Achievable
Pass Guarantee ✅ YES ($247 Premier) ✅ YES ($199) Achievable
AI Features ❌ NO ✅ Adaptive + AI tutor Achievable
Mobile App ⚠️ Deprecated ❌ Web only Neither
Offline Access ✅ YES (downloadable) ⚠️ Limited STC
Live Classes ✅ Virtual + in-person ❌ NO STC
Instructor Support Hotline (all tiers) ❌ No (AI tutor only) STC
Spaced Repetition ❌ NO ✅ YES (AI-powered) Achievable
Overall Rating 3.8/5 4.5/5 Achievable

Platform Comparison

STC Platform

STC Securities Training Corp Series 65 platform interface

Traditional web platform with chapter-organized content, Green Light diagnostics, and downloadable study manual for offline access.

Achievable Platform

Achievable Series 65 platform interface

Modern, clean interface with AI-powered adaptive learning, progress visualization, and "Ask Achievable" AI tutor for instant help.

Pass Guarantee Showdown

STC: Conditional Guarantee

  • YES Premier ($247) & Premier Plus ($384)
  • NO Standard ($219)
  • • Terms: Free course repeat OR money-back refund
  • • Must meet study requirements
  • • Covers first-time failure only
  • • 6-month access window

Achievable: Full Guarantee

  • YES at $199 (all purchases)
  • • Terms: Full money-back refund
  • • Pass one practice exam, then fail actual exam
  • • Submit exam scores + valid state ID
  • • 12-month access window
  • • Saves $48 vs STC Premier

Winner: Achievable. Same money-back protection at $199 vs $247 (saves $48), plus 12-month access vs 6 months. Achievable's guarantee is both cheaper and longer.

Pros & Cons Breakdown

STC Pros

  • More practice questions (2,800+)
  • 1,500+ organized flashcards (Premier+)
  • Instructor hotline (all tiers)
  • In-person classes (NYC, Chicago, SF, Boston)
  • Offline access (downloadable materials)
  • 50+ years experience (founded 1969)
  • Green Light diagnostics pinpoint weaknesses
  • 12 hours structured video content

STC Cons

  • Higher entry price ($219 vs $199)
  • Pass guarantee requires $247+ tier
  • Shorter access (6 months vs 12 months)
  • No adaptive learning algorithm
  • No AI tutor feature
  • Deprecated mobile app
  • Lower user rating (3.8/5 vs 4.5/5)
  • Static quizzes (no spaced repetition)

Achievable Pros

  • Lower price with guarantee ($199)
  • Longer access (12 months, 2x STC)
  • AI-powered adaptive learning
  • 'Ask Achievable' AI tutor
  • Higher user rating (4.5/5)
  • Spaced repetition algorithm
  • 20+ full-length practice exams
  • Modern, clean user interface
  • Cross-device sync (phone, tablet, desktop)

Achievable Cons

  • No flashcards (must use third-party)
  • Fewer practice questions (1,300+)
  • No instructor access (AI only)
  • No live classes available
  • Limited offline access
  • No native mobile app
  • Newer company (founded 2016)
  • No in-person class option

Final Recommendation

Choose STC If:

  • ✓ You need flashcards for memorization (1,500+ organized)
  • ✓ You want instructor support (hotline at all tiers)
  • ✓ You prefer in-person classes (NYC, Chicago, SF, Boston)
  • ✓ You need offline study (downloadable materials)
  • ✓ You want more questions (2,800+ for volume drilling)
  • ✓ You prefer traditional structured learning
  • ✓ You trust established providers (50+ years experience)

Choose Achievable If:

  • ✓ You want the lowest guaranteed price ($199 vs $247)
  • ✓ You need longer access (12 months vs 6 months)
  • ✓ You learn better with adaptive technology (AI-powered)
  • ✓ You like AI tutors for instant help ("Ask Achievable")
  • ✓ You prefer modern, clean UX
  • ✓ You're a self-directed learner (no instructor needed)
  • ✓ You value higher user ratings (4.5/5 vs 3.8/5)

My Verdict

For flashcard-dependent learnersSTC Premier ($247). You get 1,500+ organized flashcards that Achievable simply doesn't offer. If flashcards are central to how you study, STC is the clear choice.

For budget-conscious learners who want a guaranteeAchievable ($199). You save $48 over STC Premier and get 12 months of access instead of 6. Plus AI-powered adaptive learning and a higher user rating.

For those needing instructor helpSTC ($219+). The instructor hotline is available at all tiers, and Premier Plus offers live classes. Achievable only has an AI tutor.

STC Ratings

Content Quality 4.0/5.0
Question Bank 4.1/5.0
User Experience 3.5/5.0
Overall 3.8/5.0

Achievable Ratings

Content Quality 4.6/5.0
Adaptive Learning 4.7/5.0
User Experience 4.5/5.0
Overall 4.5/5.0

Ready to Choose?

Visit either provider to start your Series 65 prep, or explore all options on our comparison page.