Whale Mark vs OneThing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Whale Mark
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Whale Mark is an app for recording the reading progress of paper books. [Privacy Policy and Terms of Use] - Privacy Policy: https://medivhstudio.com/projects/whale-mark/privacy-policy.html - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ [Contact Us] Any comments or questions can be sent to medivhstudio@163.com.
OneThing
This app helps you stay focused by displaying your most important task on your home or lock screen. It simplifies your life by bringing order through focusing on one priority at a time.
- Display crucial item on home/lock screen
- Stay focused and efficient
- Simple input
- Visible everywhere
- Brings order to life
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OneThing - Focus on what matters most, right now. This sleek and powerful app allows you to capture and display the most crucial item in your life at any given moment. Whether on your home screen or lock screen, OneThing ensures your priority is always in sight, helping you stay focused and efficient. Simple input, visible everywhere - bringing order to your life with just one thing at a time --- After confirming the purchase and payment, your iTunes account will automatically renew the subscription. The Apple iTunes account will charge within 24 hours before the expiration date. Once the payment is successful, the subscription period will extend by one subscription period. To cancel the renewal, please manually turn off the auto-renewal feature in the iTunes/AppleID settings at least 24 hours before the current subscription period ends. During the trial period, if the iTunes account does not cancel the subscription, it will automatically start the subscription and charge at the end of the trial period. Any unused trial period will be forfeited after purchasing the subscription. This service allows you to choose whether to cancel; if you choose not to cancel, the renewal service for the next billing period will start automatically. private privacy: https://merciful-sugar-3e6.notion.site/Privacy-Policy-b0e24b6beb074420ae88ec07239d1c5f?pvs=74 term of service: https://merciful-sugar-3e6.notion.site/Terms-of-Service-ffa8642d0e864e22b1dcd5fb06870978
Screenshots
Verdict
The clearest difference is price: Whale Mark at Free against OneThing's $0.99. OneThing's advantage is update cadence (fortnightly vs every 4 months). On ads, in-app purchases, 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
Whale Mark is free to download; OneThing costs $0.99 up front. Whale Mark sells 3 in-app purchases, starting at $0.99 per month and OneThing sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Whale Mark ships an update every 4 months, OneThing fortnightly. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.
| Parameter | Whale Mark | OneThing |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 柱 杨 | 定荣 郭 |
Customer experience
Whale Mark
OneThing
In-app purchases
Whale Mark
- Monthly Membership$0.991 Month
- Annual Membership$2.991 Year
- Lifetime Membership2 variants$3.99
OneThing
- buy the author a cola$0.99









