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Head-to-head · Pre-employment Testing

Aon Assessment Solutions vs TestGorilla

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Aon Assessment Solutions #1 in Pre-employment Testing 9.3/10 Pricing on request ✓ 0 of 3 features Contact Aon
TestGorilla #4 in Pre-employment Testing 8.5/10 Free plan Free plan✓ 0 of 3 features Visit TestGorilla

Aon Assessment Solutions leads on 0 checks, TestGorilla on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAon Assessment Solutions · 9.3/10
  • Free planonly TestGorilla

Aon Assessment Solutions scores higher on our rubric for pre-employment testing: 9.3 against 8.5 out of 10; our editors rank them #1 and #4.

Aon Assessment Solutions is the better fit for enterprise-grade, broad assessment programs. TestGorilla is the better fit for SMBs wanting broad testing and a free plan.

  • Aon Assessment Solutions fits best

    Enterprise-grade, broad assessment programs

  • TestGorilla fits best

    SMBs wanting broad testing and a free plan

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Aon Assessment Solutions 9.3/10 Visit ↗ TestGorilla 8.5/10 Visit ↗
At a glance
Editor score 9.3 8.5
Ranking #1 in Pre-employment Testing #4 in Pre-employment Testing
Best for Enterprise-grade, broad assessment programs SMBs wanting broad testing and a free plan
Pricing model Paid Free plan + paid
Starting price Pricing on request $142/mo
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Support Email Email, Live chat, Docs
Integrations 80+ integrations 18 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Aon Assessment Solutions 0/3 · TestGorilla 0/3
ATS integrations Not checked yet Not checked yet
Anti-cheating controls Not checked yet Not checked yet
Custom questions Not checked yet Not checked yet
Specs
Assessment formats Not checked yet Not checked yet
Candidate invites Not checked yet Not checked yet
Report analytics Not checked yet Not checked yet
Our review
Pros
  • Broad coverage across skills, cognitive, personality, behavioral and job-fit tests
  • Adds coding, simulations, AI video interviews and virtual assessment centers
  • Mobile-first, multilingual delivery with ATS and HRIS integration
  • Free plan includes 10 monthly credits and five essential skills tests.
  • Library covers skills, cognitive, situational, personality, language and coding tests.
  • Offers AI interviews, monitoring, reporting exports and 15 ATS integrations.
Cons
  • Pricing requires contacting sales.
  • Support is listed through email.
  • Broad scope may exceed single-test screening needs.
  • Free plan has one full access seat and a limited set of five essential tests.
  • Core and Plus require annual billing; monthly pricing is not offered.
  • Monitoring features such as webcam snapshots may not suit every candidate experience.
Our verdict

Aon Assessment Solutions is an online talent-assessment service for organizations making hiring, selection, promotion, development, and workforce-planning decisions. It covers skills, cognitive, personality, behavioral, and job-fit…

Read the review →

TestGorilla is a cloud-based assessment and sourcing platform for employers and recruiting teams. It suits organizations that want to evaluate candidates across more than a single skills category, with tests for cognitive ability,…

Read the review →
  1. Aon Assessment SolutionsPre-employment Testing 9.3Pricing on request
  2. TestGorillaPre-employment Testing 8.5Free plan

Strengths and trade-offs

  • Aon Assessment Solutions — where it wins

    • Broad coverage across skills, cognitive, personality, behavioral and job-fit tests
    • Adds coding, simulations, AI video interviews and virtual assessment centers
    • Mobile-first, multilingual delivery with ATS and HRIS integration

    Where it doesn't

    • Pricing requires contacting sales.
    • Support is listed through email.
    • Broad scope may exceed single-test screening needs.
  • TestGorilla — where it wins

    • Free plan includes 10 monthly credits and five essential skills tests.
    • Library covers skills, cognitive, situational, personality, language and coding tests.
    • Offers AI interviews, monitoring, reporting exports and 15 ATS integrations.

    Where it doesn't

    • Free plan has one full access seat and a limited set of five essential tests.
    • Core and Plus require annual billing; monthly pricing is not offered.
    • Monitoring features such as webcam snapshots may not suit every candidate experience.
  • Aon Assessment Solutions9.3/10 · Pricing on request

    Broad, configurable assessments for enterprise hiring and workforce decisions.

    Contact AonFull verdict →
  • TestGorilla8.5/10 · Free plan

    Broad hiring assessments with a free plan and paid options from $142 per month, billed annually.

    Visit TestGorillaFull verdict →

More options

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update