Book Note vs sudo ego
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Book Note
Easily track your reading progress and thoughts. Add books by searching or taking photos, and create detailed notes with bookmarks. Keep a digital journal of your literary journey.
- Add books via search
- Add books with photos
- Create reading notes
- Add bookmarks to notes
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Join the simple reading notes app ‘Reading Note’. - Add books by searching for them. - You can also add books with photos. - Add bookmarks to your reading notes.
sudo ego
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The life you choose The days you shape The goals you set. The promises you make to yourself. You meant to follow through. Then everyday life got in the way. Motivation fades. The system remains. sudo ego locks the apps you choose until you complete your daily affirmations. Choose which apps to lock and when. At the time you set, those apps lock. Say or type the affirmation you wrote to unlock them. Your practice doesn't have to depend on how motivated you feel. At the time you set, return to the words you chose. In your own words Your dreams. Your goals. The person you want to be. Write the words you want to return to each day, and make them into a card with an image of your choice. When you wake up, before your day takes shape, start with your own words. Say or type them, then begin your day. A record of your practice Look back on your daily practice. Explore cards others have shared. Find one that resonates, make a copy, and put it in your own words. Using sudo ego To use app blocking, grant the required permissions and choose which apps to lock. Voice affirmations are available with Pro or during an eligible trial. It’s time to live the life you choose. Who do you want to be? Terms of Use: https://www.sudoego.app/terms.html Privacy Policy: https://www.sudoego.app/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Book Note at none against sudo ego's 2. Book Note also leads on device support (3 vs 1). sudo ego's advantage is ads (none vs shown). On price, update cadence 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. sudo ego sells 2 in-app purchases, starting at $9.99 per month. Book Note asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.
| Parameter | Book Note | sudo ego |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.3 — better | 16.0 |
| Further details — not scored | ||
| Size | 33 MB | 84 MB |
| Age rating | 4+ | 17+ |
| Developer | 2026 Gnosis | Sudo Ego, Inc. |
In-app purchases
Book Note
No in-app purchases
sudo ego
- Sudo Ego Pro$9.991 Month
- Sudo Ego Pro7 Days trial$49.991 Year









