C/OThe Companion OfficeAI companion rankings & research

Tested August 2026 · 23 apps · Methodology v0.1 · Updated 2026-08-24

Illustrative preview dataScores below are computed from a structurally complete staging dataset, not from published test findings about these products.

Corrections

Every published change is recorded here with the value it replaced, the reason and the date. This is a change record, not a discussion.

  1. 2026-08-24 app: apps

    Was
    Edition-specific official destinations assumed
    Now
    Each edition points at the same verified official entry point until Task 7 verifies edition-specific destinations
    Reason
    A destination may only be published once it has been resolved, not assumed.
    Impact
    no score change
  2. 2026-08-23 price: prices/kr

    Was
    Korean tier prices recorded without a stated observation date
    Now
    Every Korean price observation carries an explicit 2026-08-12 observation date
    Reason
    Price facts must carry the date they were observed so staleness is visible.
    Impact
    no score change
  3. 2026-08-22 methodology: 0.1

    Was
    Overall product/local-language component described as a single dimension
    Now
    Overall product/local-language component is the mean of product reliability and local-language performance
    Reason
    The published weight table needed an unambiguous definition before any score was calculated.
    Impact
    score changed

Editorial correction log

Changes to a published page: annotated, replaced or withdrawn. A withdrawn page keeps its record here, because it has no route left to carry one.

No published page in this edition has been annotated, replaced or withdrawn.