Logarithm Solver vs Calcu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Logarithm Solver
Instantly solve math homework and prepare for exams with step-by-step logarithm solutions. This free app provides 24/7 access to calculations and helpful learning resources. Optional purchase options are available for high-volume users.
- Step-by-step logarithm solutions
- Instant calculation of any variable
- Overview of key logarithm rules
- Curated learning videos
- Feedback for incorrect inputs
- Manage saved solutions
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Finish your homework instantly. Prepare for exams stress-free. Free, complete step-by-step solutions. Choose an equation and calculate any variable. HOW IT WORKS Enter your values in the appropriate fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. No conclusions can be drawn about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps always remain complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - Overview of key logarithm rules - curated learning videos - feedback for incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.
Calcu
This app provides advanced logarithmic calculations and explanations, covering equation solving, Taylor series, digit-by-digit computation, and integral definitions. It also simplifies expressions, solves complex logarithmic equations, and includes a virtual slide rule.
- Solves logarithmic equations for y, x, and a
- Explains Taylor series for log_e(x)
- Illustrates digit-by-digit log_10(x) computation
- Explains log_e definition via integrals
- Simplifies logarithmic expressions
- Calculates and graphs complex logarithms
- Includes virtual slide rule
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Calcu-Logarithm performs calculations and helps user understand logarithms on advanced level: 1. Solves equation "y = log_a(x)” for “y”, “x”, and “a”, with relevant graphs. 2. Explains and illustrates how to compute log_e (x) from Taylor series. 3. Explains and illustrates how to compute log_10 (x) digit by digit (based on M.Goldberg algorithm). 4. Explains and provides proof of log_e definition as the integral of x inverse. 5. Simplifies logarithmic expressions and solves logarithmic equations with polynomials of up to 20th degree. 6. Includes virtual slide rule for multiplication and division. 7. Calculates, explains, and graphs logarithms of complex numbers. Developers welcome any feedback, please write to us at graphmath@aol.com. Please check out our other Math apps.
Screenshots
Verdict
The clearest difference is in-app purchases: Calcu at none against Logarithm Solver's 8. Calcu also leads on update cadence (every 3 days vs every 3 weeks). On price, rating, ratings volume and ads 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. Logarithm Solver sells 8 one-off in-app purchases. Calcu asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Logarithm Solver against 5.0 for Calcu. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Logarithm Solver ships an update every 3 weeks, Calcu every 3 days. The most recent releases landed on August 26, 2026 and June 8, 2026 respectively.
| Parameter | Logarithm Solver | Calcu |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 180 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Glindemann, Sennoun, Langer GbR | Yuri Morozov |
Customer experience
Logarithm Solver
Calcu
In-app purchases
Logarithm Solver
- +30 User Tokens$0.29
- +1 Convenience Token / 6h, max. +2$0.59
- +2 Convenience Tokens / 6h, max. +4$0.99
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- +150 User Tokens$0.99
- +300 User Tokens$1.49
- +4 Convenience Tokens / 6h, max. +8$1.59
- Remove Ads$1.99
- Lifetime Access$1.99
Calcu
No in-app purchases









