Brandwave

PastPerfect vs TMS Collections:Which is more popular?

In September 2026, TMS Collections had more branded searches than PastPerfect among museum software worldwide. TMS Collections had about 2,510 branded searches, while PastPerfect had 880. TMS Collections made up 1.5% of all museum software searches we track, and PastPerfect accounted for 0.53%. When we asked ChatGPT and Google AI Overviews about museum software, PastPerfect appeared in four of the five answers and TMS Collections in two. PastPerfect was mentioned before TMS Collections in four out of five answers.

Among museum software worldwide in September 2026

Who do people search for more?

TMS Collections, about 3 searches for every 1 for PastPerfect

TMS Collections 2.5K searchesPastPerfect 880 searches

Who does AI mention more?

PastPerfect, mentioned in 4 of 5 answers, TMS Collections in 2

PastPerfect in 4 of 5TMS Collections in 2 of 5

Who does AI recommend more?

PastPerfect, named ahead of TMS Collections in 4 of 5 answers

PastPerfect first in 4TMS Collections first in 1

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Top museum software in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, PastPerfect was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. TMS Collections was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. PastPerfect was listed before TMS Collections in four out of five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. CatalogIt1st
  2. PastPerfect2nd
  3. Axiell3rd
  4. CollectionSpace4th
  5. TMS Collections5th
  6. CollectiveAccess6th
  7. Argus7th
  8. Tessitura8th
  9. Adlib–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • CatalogIt5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Axiell4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • PastPerfect4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • CollectionSpace3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • TMS Collections2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • CollectiveAccess2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Tessitura1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Argus1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Adlib0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about museum software

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

Is PastPerfect or TMS Collections more popular in search?

This chart shows how often people search Google for PastPerfect and TMS Collections by name. Each line represents a brand's share of searches for all nine museum software we track, month by month, from English-language searches worldwide.

PastPerfect and TMS Collections among museum software worldwide, by month

Share of searches by month for TMS Collections, PastPerfect. The figures are in the table below the chart.

View monthly share of searches table
MonthAdlibTessituraCatalogItTMS CollectionsAxiellCollectiveAccessCollectionSpacePastPerfectArgus
Oct 202582%11%1.8%1.2%1.5%0.97%0.61%0.79%0.24%
Nov 202582%11%1.8%1.2%1.8%0.89%0.53%0.61%0.29%
Dec 202586.9%7.8%1.3%1.3%1%0.63%0.46%0.46%0.17%
Jan 202680%13.2%1.7%1.5%1.4%0.85%0.59%0.59%0.23%
Feb 202681.6%10.9%1.8%1.5%1.8%0.89%0.53%0.79%0.19%
Mar 202681.1%10.9%2.2%1.5%1.7%1%0.53%0.78%0.23%
Apr 202679.3%13%2.1%1.5%1.7%1%0.59%0.59%0.23%
May 202681.6%10.9%2.2%1.5%1.5%1%0.44%0.6%0.24%
Jun 202680.3%10.8%2.6%1.8%1.8%1.1%0.53%0.73%0.35%
Jul 202681%10.9%2.1%1.8%1.4%1.1%0.53%0.74%0.35%
Aug 202680.7%10.9%2.1%1.8%1.8%1.2%0.53%0.73%0.29%
Sep 202682.1%11%1.8%1.5%1.5%0.89%0.53%0.53%0.24%

How has the PastPerfect and TMS Collections comparison changed over the last 12 months?

3 findings
  • TMS Collections was ahead of PastPerfect in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, PastPerfect’s share of searches among museum software worldwide moved from 0.79% to 0.53%, and its estimated monthly branded searches moved from 1.3K to 880.
  • Across the 12 months ending September 2026, TMS Collections’ share of searches among museum software worldwide moved from 1.2% to 1.5%, and its estimated monthly branded searches moved from 2K to 2.5K.

How did search popularity change for museum software worldwide in September 2026?

2 changes

  1. In September 2026, PastPerfect fell from 7th to 8th among museum software worldwide.

  2. Estimated monthly branded searches for TMS Collections worldwide rose 24.9% over 12 measured months, from 2K to 2.5K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using PastPerfect’s and TMS Collections’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

PastPerfect

1 branded search term

  • past perfect museum

TMS Collections

2 branded search terms

  • gallery systems tms
  • tms collections

How the Brand Demand Index is measured

Other head-to-heads among museum software

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