How do their growth rates compare?

AddSubtitle.ai has a month-over-month growth rate of -37.8%; Checksub has -25.6%.

How does pricing compare?

AddSubtitle.ai: Freemium. Freemium with a free entry tier for trying subtitle generation, plus paid plans that unlock higher usage, dubbing minutes and premium features. Check the pricing page for current credit allowances and language coverage. Checksub: Free Trial, Paid. Checksub offers a free trial that includes credits covering roughly one hour of video and access to every feature. Ongoing use is on paid subscription plans; exact tiers and per-minute limits are shown on the Checksub pricing page, and larger teams can book a demo for custom quotes.

What are alternatives to AddSubtitle.ai and Checksub?

Other tools in related categories include Clideo, VEED.IO, Kapwing, SubEasy, Vozo AI.

AddSubtitle.ai vs Checksub — Traffic (20.21K vs 103.48K), Pricing & Verdict

Open AI Tools

AddSubtitle.ai vs Checksub — Traffic (20.21K vs 103.48K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	AddSubtitle.ai	Checksub
Official Domain	addsubtitle.ai	checksub.com
Pricing Model	Freemium	Free Trial, Paid
Monthly Visits	20.21K (20,205)	103.48K (103,481)
MoM Traffic Delta	-12.27K (-37.8%)	-35.55K (-25.6%)
Primary Market & Share	🇺🇸 United States (41.6%)	🇸🇬 Singapore (9.9%)
Direct Visits / mo	12.27K	54.37K
User Rating	4.2	4.2
Supported Platforms	Website	Website

AddSubtitle.ai

Subtitles, dubbing and video translation in one browser-based editor

Multilingual subtitle generation

Automatically transcribe uploaded video and produce captions in more than 100 languages, including bilingual subtitle sets for language-learning and international publishing.

In-browser subtitle editor

Proofread and correct auto-generated captions directly in the web editor, fixing timing, wording and speaker labels before export.

Subtitle styling

Customise fonts, colours, sizes and positioning so captions match a channel's visual identity across vlogs, shorts and long-form uploads.

AI video translation and dubbing

Translate the spoken content and generate a voice track in the target language, so the same video can be published to non-native audiences without re-recording.

Strengths & Pros

+Combines transcription, translation, styling and dubbing in a single browser workflow
+Bilingual subtitle output is useful for language learners and dual-audience channels
+No desktop software required, so edits can happen from any machine
+Free tier makes it easy to test caption quality before paying