Free and open first

Best Markup Software in 2026

Markup tools let reviewers place comments or visual callouts on webpages, PDFs, and images and then share those materials for feedback.

26 apps
Research read 28 Sept 2026
How the order is worked out

1

Hypothesis

Free plan Open source APIExtensionWeb

Hypothesis brings annotations and discussion into course materials, with both personal use and institutional LMS integrations listed.

8.9 Free plan Visit site
2

Ashore

Free plan AndroidAPIiPhone+1

Ashore brings file review, approval routing, version comparison, and audit logging together.

7.7 Free plan · paid from $15/user/mo Visit site
3

Conceptboard

Free plan AndroidiPhoneSelf-hosted+1

Conceptboard combines a visual workspace with task management and supports guest participation and a range of integrations.

7.6 Free plan · paid from €5/user/mo · 30-day trial Visit site
4

Frame.io

Free plan AndroidAPIExtension+4

7.5 Free plan · paid from $15/user/mo Visit site
5

Boords

Free plan APIWeb

Boords combines storyboards, scripts, animatics, and client review in a web tool. Check the free-plan limits and security certification status against your team’s requirements.

7.3 Free plan · paid from $26/user/mo (annual) Visit site
6

Pastel

Free plan AndroidAPIExtension+2

Pastel brings visual commenting and approval workflows together for websites and creative files.

7.2 Free plan · paid from $35/mo · 14-day trial Visit site
7

QuickReviewer

Free plan APIMacWeb+1

QuickReviewer offers broad file support, collaboration, integrations, and approval workflows. Its stated retirement and October 30, 2026 review cutoff are central considerations.

7.2 Free plan · paid from $79/mo Visit site
8

Markup Hero

Free plan ExtensionMacWindows

Choose Markup Hero if you want to annotate captures or imported files and use its sharing and export tools.

7.1 Free plan · paid from $3/mo (annual) Visit site
9

SyncSketch

Free plan AndroidAPIiPhone+1

SyncSketch combines visual review tools with support for 3D assets, shared links, and named integrations. Check the Light plan’s non-commercial restriction and trial terms before choosing a plan.

7.1 Free plan · 14-day trial Visit site
10

ReviewStudio

Free plan APISelf-hostedWeb

ReviewStudio covers review and approval workflows across several media types, with guest links and deployment options. The free Starter plan has limits on active reviews and storage.

7.0 Free plan · paid from $15/user/mo · 30-day trial Visit site
11

Userback

Free plan AndroidAPIExtension+2

Userback combines visual bug feedback, session replay, surveys, and a feature portal, with integrations for common work tools.

7.0 Free plan · paid from $29/mo (annual) · 14-day trial Visit site
12

Ruttl

Free plan APIWeb

Choose Ruttl if your team needs to collect visual feedback across live websites and other project types, with task assignment and prioritization included.

6.8 Free plan · paid from $18/user/mo Visit site
13

WebProof

Free plan iPhoneWeb

WebProof brings page review, version tracking, and approval statuses into a shared workflow, including input from external reviewers.

6.7 Free plan · paid from €199/mo Visit site
14

Approval Studio

Free trial AndroidAPIExtension+4

Choose Approval Studio if your team needs proofing, version comparison, and approval workflow tools in one platform.

6.6 From $60/mo · 14-day trial Visit site
15

Superflow

Free plan Web

Choose Superflow if your team needs AI-assisted website reviews, client approvals by link, and task tracking or synchronization.

6.6 Free plan · paid from $24/user/mo (annual) · 10-day trial Visit site
16

BugHerd
by BugHerd
Free trial APIExtensionWeb

BugHerd brings client feedback, page context and task tracking together, with options for design files and text edits. Consider its paid plans and member limits when choosing it for a team.

6.4 From $42/mo (annual) · 14-day trial Visit site
17

Kollaborate

Free trial APIExtensioniPhone+5

Kollaborate brings review, approvals, workflow automation, and editing integrations into a single platform for creative work.

6.2 From $7/mo Visit site
18

GoProof

Free trial ExtensionWeb

GoProof combines online proofing with approvals, versioning, workload planning, and time tracking.

6.1 From $129/mo (annual) · 14-day trial Visit site
19

GoVisually

Free trial iPhoneWeb

GoVisually combines file proofing, approvals, version management, and optional compliance tools. Compare Lite and Pro user requirements and media support before selecting a plan.

6.0 From $16/user/mo Visit site
20

MarkUp

Free trial APIExtensionWeb

MarkUp supports contextual review across many types of content, with guest participation and browser-based capture.

6.0 From $79/mo · 14-day trial Visit site
21

Marker.io

Free trial ExtensionWeb

Marker.io gathers visual feedback with technical context and can route reports through listed integrations.

5.9 From $39/mo (annual) · 15-day trial Visit site
22

Usersnap
by Usersnap
Free trial AndroidAPIExtension+2

Usersnap combines visual feedback capture, surveys, AI analysis, and workflow integrations in one cloud service. Its mobile SDK limits and paid-only model are important considerations.

5.9 Visit site
23

Kami

Free plan Web

5.8 Free plan · paid from $12/user/mo · 30-day trial Visit site
24

Wipster

Free trial APIExtensioniPhone+1

Wipster combines media annotations, version comparison and approval tracking, with guest reviewers available across listed plans.

5.8 From $9.95/mo (annual) Visit site
25

zipBoard

Free trial APIExtensionWeb

zipBoard combines asset markup, task handling, approvals, and version review in one platform. Buyers should check plan limits and confirm the trial duration shown for their account.

5.7 From $99/mo · 15-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Tools in this category run on platforms such as the web, APIs, browser extensions, iOS, Android, and Windows.

Questions

Which annotation types does markup software support?

Webpage, PDF, and image annotation are covered by this category. Check the individual tool for the annotation types it supports.

Are free plans available?

Free tiers appear on entries including Ashore, Boords, Conceptboard, Frame.io, Hypothesis, and Kami.

Which tools offer free trials?

Approval Studio and GoProof show 14-day trial periods. Conceptboard and Kami show 30-day trial periods.

Which paid starting prices are listed?

Listed starting prices include $7/mo for Kollaborate, $12/user/mo for Kami, $15/user/mo for Frame.io, and $16/user/mo for GoVisually.

Can I use these tools on different devices?

The listed platform choices are web, API, browser extension, iOS, Android, and Windows. Confirm platform support for the tool you choose.

How do I assess an open-source option?

Read the tool's open-source licence to confirm whether its code can be inspected or changed under terms that suit your needs.

Questions

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