Every score is worked out from the vendor's own pages · How we score →Disclosure
SAASINSPECTOR
Head-to-head · AI site search tools · facts checked 24 Sept 2026

APPROSEARCH vs Fast Simon

Fast Simon scores 7.6 to APPROSEARCH's 6.4 among the AI site search tools we rate, and is the better pick for 2 of the 4 kinds of buyer below.

APPROSEARCH
#3 of 5 AI site search tools
6.4
/ 10
From
€19/mo (Start)
Free plan
No
Fast Simon
#1 of 5 AI site search tools
7.6
/ 10
From
$39.99/mo (Starter)
Free plan
Yes
The verdict

Fast Simon wins, 7.6 to 6.4

Fast Simon has a free plan and prices scale with your session volume, starting at $39.99 a month; APPROSEARCH has no free plan, only a 14 day trial, and prices scale with your catalogue size instead. Fast Simon personalizes results for each shopper, a feature APPROSEARCH lacks, though APPROSEARCH adds webhooks and GDPR compliance. Both support image search.

Pick APPROSEARCH if you want webhooks and don't need a free plan.

Pick Fast Simon if you want a free plan and results personalized per shopper.

Best for

Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.

Stores that want search to feel personal
Fast Simon
APPROSEARCH 4.5 · Fast Simon 10.0 on what the search does beyond the basics
  • Orders results per shopper: Fast Simon yes, APPROSEARCH no
Stores on more than one platform
Too close to call
APPROSEARCH 8.2 · Fast Simon 8.0 on where it plugs in
  • Webhooks: APPROSEARCH yes, Fast Simon does not say
  • Apps it connects to: 7 integrations against 5 integrations
Small stores watching cost
Fast Simon
APPROSEARCH 6.6 · Fast Simon 7.7 on pricing
  • Free plan: Fast Simon yes, APPROSEARCH no
  • But APPROSEARCH leads on what the price grows with: Catalogue_size against Sessions
Stores with privacy requirements
APPROSEARCH
APPROSEARCH 5.5 · Fast Simon 4.5 on privacy and trust
  • Ways to reach support: 2 support channels against 1 support channel
  • GDPR: APPROSEARCH yes, Fast Simon does not say
Section 01

How they score

Both are scored the same way, against the other AI site search tools we rate, from facts on each vendor's own pages. They split the criteria 2 each.

What the search does beyond the basics20% of the score
APPROSEARCH4.5
Fast Simon10.0
Where it plugs in25% of the score
APPROSEARCH8.2
Fast Simon8.0
Pricing35% of the score
APPROSEARCH6.6
Fast Simon7.7
Privacy and trust20% of the score
APPROSEARCH5.5
Fast Simon4.5
How the score works →
Section 02

Where they differ

Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.

Orders results per shopper
Fast Simon
APPROSEARCH
No
source ↗
Fast Simon
Yes
source ↗
Apps it connects to
Fast Simon
APPROSEARCH
5 integrations
source ↗
Fast Simon
7 integrations
source ↗
Free plan
Fast Simon
APPROSEARCH
No
source ↗
Fast Simon
Yes
source ↗
What the price grows with
APPROSEARCH
APPROSEARCH
Catalogue_size
source ↗
Fast Simon
Sessions
source ↗
Ways to reach support
APPROSEARCH
APPROSEARCH
2 support channels
source ↗
Fast Simon
1 support channel
source ↗

Published by only one of them

Webhooks
APPROSEARCH
Yes
source ↗
Fast Simon
Not published
Cheapest paid plan, monthly
APPROSEARCH
Priced by location
Fast Simon
$39.99
source ↗
Free trial
APPROSEARCH
14 days
source ↗
Fast Simon
Does not apply
Setup fee on top
APPROSEARCH
No
source ↗
Fast Simon
Not published
SOC 2
APPROSEARCH
No
source ↗
Fast Simon
Not published
GDPR
APPROSEARCH
Yes
source ↗
Fast Simon
Not published
Where they match (4)
Search by image
APPROSEARCH
Yes
source ↗
Fast Simon
Yes
source ↗
Store platforms it works with
APPROSEARCH
5 store platforms
source ↗
Fast Simon
5 store platforms
source ↗
Its own Shopify App Store listing
APPROSEARCH
Yes
source ↗
Fast Simon
Yes
source ↗
Does not train AI on your store data
APPROSEARCH
Not published
Fast Simon
Not published
Section 03

Pricing, plan by plan

Every plan each vendor publishes, monthly and yearly where both are offered.

APPROSEARCH

Start
€19/mo · €182.40/yr
10,000 requests/mo, 5K indexed products, 1 store, 1 language
Growth
€59/mo · €566.40/yr
50,000 requests/mo, 25K indexed products, 1 store, 3 languages
Scale
€89/mo · €854.40/yr
100,000 requests/mo, 100K indexed products, up to 10 stores, unlimited languages
Enterprise
€279/mo · €2,678.40/yr
500,000 requests/mo, unlimited indexed products, unlimited stores

Fast Simon

Free
Free
100 monthly sessions, instant search, autocomplete
Starter
$39.99/mo · $399.96/yr
Essential
$99.99/mo · $999.96/yr
Top Pro
$299.99/mo · $2,999.88/yr

For everything else about each tool, read the full APPROSEARCH review and Fast Simon review.

Section 04

APPROSEARCH vs Fast Simon: common questions

Which is better, APPROSEARCH or Fast Simon?

Fast Simon scores 7.6 and APPROSEARCH 6.4 out of 10 among the AI site search tools we rate. Fast Simon is ahead on what the search does beyond the basics and pricing. APPROSEARCH is ahead on where it plugs in and privacy and trust.

Is APPROSEARCH or Fast Simon cheaper?

APPROSEARCH's cheapest paid plan is €19/mo (Start) and Fast Simon's is $39.99/mo (Starter). Compare what each plan includes below before going on price alone.

Do APPROSEARCH and Fast Simon have a free plan?

Fast Simon does and APPROSEARCH does not.

What can Fast Simon do that APPROSEARCH cannot?

On the facts both vendors publish: orders results per shopper and free plan.

Keep comparing