ProofStack comparisons
Instapaper vs Readwise · audited pricing and evidence (2026)
Original query observed in public search boxes：instapaper vs readwise
。These products are published cases in the audited library.
| Instapaper | Readwise | |
|---|---|---|
| Category | Productivity | Productivity |
| What it is | Instapaper monetizes by offering a free article-saving service and charging for premium features via subscription. | Readwise is a bootstrapped paid reading tool (including the Reader app) that survived a category where free models systematically die, by combining paid-only subscriptions, a two-sided integration ecosystem, and nine years of endurance that made it the named heir in competitors' shutdown notices. |
| First paid tier | Not disclosed | $5.59 source |
| Free tier | No | No |
| Reported revenue | Not disclosed | Not disclosed |
| Evidence | Level Unknown | Level B |
| Primary acquisition channel | Word-of-Mouth | Integration ecosystem and word of mouth (inferred) |
Method
Prices come from public pricing pages; revenue and channel claims come from sources listed on each case page. Missing public figures are marked Not disclosed, never invented or estimated. View pricing benchmarks
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