Side by side
hrefStack vs Lightbulb
Both stand on ai writing tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
hrefStack combines keyword research, AI writing, quality scoring, CMS publishing, and search tracking in one web service. Its free tier is constrained, while higher plans add research, capacity, and API access.
Visit hrefStack Free plan ExtensioniPhoneMac
Lightbulb puts rewriting, translation, saved snippets, and reminders inside an iOS keyboard. The free tier has a three-item shelf limit, while Pro pricing is not provided.
Visit LightbulbThe facts
| hrefStack | Lightbulb | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Extension, iPhone, Mac |
| Lowest paid plan | Starter: $450 a year | Annual Lightbulb Pro: $29.99 a year |
| Plans published | 5 | 2 |
| Maker | Not published | Not published |
| Website | hrefstack.com | lightbulbai.app |
| On ai writing tools | #45 of 269 | #41 of 269 |
hrefStack: what it does well
- Free plan includes 10,000 words monthly
- Unlimited AI images on every plan
- Connects with major CMS platforms
- Scores articles across six quality dimensions
- Supports brand voice and persistent content profiles
What to know first
- Free plan uses basic AI models
- Free plan has no research features
- Free plan allows one article at a time
- Pro API access is plan-dependent
Lightbulb: what it does well
- Rewrites and polishes text in apps
- Supports tone changes, grammar, and translation
- Offers reminders and follow-up alerts
- Free plan includes a 7-day Pro trial
- Normal typing stays on device until AI action
What to know first
- Free shelf limited to three pinned items
- Requires iOS 17 or later
- Full Access is required for network AI
Alternatives to hrefStack Alternatives to Lightbulb The whole list