Logarithm vs Ruby Stone
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Logarithm
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Logarithm offers a dependable and structured space for organizing daily records with clarity and ease. It focuses on simplicity, allowing users to maintain consistent habits without unnecessary complexity. The design keeps everything accessible and easy to follow, supporting long-term engagement. Over time, it helps build awareness and maintain a well-organized overview of recorded information.
Ruby Stone
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Pricing too low is one of the most common and costly mistakes small businesses and freelancers make, and it usually happens not from carelessness but from genuine uncertainty about what the real number should be. This app removes that uncertainty by giving you a fast, reliable way to calculate profit margins, markups, and break-even points from actual cost data. Enter the cost, decide what margin you need, and the app tells you the price.
Screenshots
Verdict
Logarithm and Ruby Stone are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Logarithm | Ruby Stone |
|---|---|---|
| Price | Free | Free |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod โ better |
| Requires iOS | 16.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 15 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Hasret Bahadir | Eduardo Juarez Labrada |
In-app purchases
Logarithm
No in-app purchases
Ruby Stone
No in-app purchases








