Reader by Sol vs Stacks Books
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reader by Sol
This app delivers new books, articles, and newsletters to your digital library. It also allows you to archive content and access settings, accounts, and support in a centralized location.
- Content delivery
- Book archiving
- Article management
- Newsletter access
- Settings hub
- Account management
- Tech support access
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Deliver new books, articles, and newsletters to your Reader. Archive old ones. Access settings, accounts, and tech support in one place. --- Support: Check out https://solreader.com/faqs or email us at hello@solreader.com Privacy Policy: https://solreader.com/privacy Terms of Service: https://solreader.com/terms-and-conditions
Stacks Books
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Stacks is the book club app that gets out of your way. No massive reading lists, no cluttered chat rooms, no annoying tracking. Just pick a book, read it together, and show up ready to discuss. ORGANIZE YOUR BOOKS Stack your books the way you would in real life, privately. Nominate books for your next book club read, browse descriptions to help your group decide, and vote on what comes next. Check in as you read and see how your club is keeping up. Find where to borrow or buy your current book at local libraries and stores near you. COORDINATE YOUR BOOK CLUBS Create a club in seconds and invite friends with a simple link. Set meeting times, locations, and keep everyone on the same page without the clutter. Get discussion questions and character refreshers so every member shows up ready to discuss. Stacks is free to use. No ads, no tracking, no noise. Just books and the people you love reading with.
Screenshots
Verdict
The clearest difference is in-app purchases: Stacks Books at none against Reader by Sol's 18. Stacks Books also leads on update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Reader by Sol sells 18 in-app purchases, starting at $14.99 per month. Stacks Books asks for nothing beyond the download.
Reader by Sol ships an update fortnightly, Stacks Books every 6 days. The most recent releases landed on September 23, 2026 and October 15, 2026 respectively.
| Parameter | Reader by Sol | Stacks Books |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (13 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Fortnightly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 97 MB | 3 MB |
| Age rating | 4+ | 12+ |
| Developer | Sindarin, Inc. | STEPHEN REY MORENO |
In-app purchases
Reader by Sol
- Beta Book Club$14.991 Month
- $0.99$0.99
- $1.99$1.99
- Sol Catalog Book$1.99
Show 14 moreShow fewer
- $3.99$3.99
- $5.99$5.99
- $6.99$6.99
- $10.99$10.99
- $11.99$11.99
- $12.99$12.99
- $15.99$15.99
- $19.99$19.99
- $21.99$21.99
- $25.99$25.99
- $39.99$39.99
- $44.99$44.99
- $79.99$79.99
- $99.99$99.99
Stacks Books
No in-app purchases
