# Memorize vs Simple Logarithm PRO

The clearest difference is price: Memorize at Free against Simple Logarithm PRO's $1.99. Memorize also leads on review sentiment (40% vs 0%). Simple Logarithm PRO's advantage is in-app purchases (none vs 5) and iOS requirement (15.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

Memorize is free to download; Simple Logarithm PRO costs $1.99 up front. Memorize sells 5 in-app purchases, starting at $1.99 per 7 days. Simple Logarithm PRO asks for nothing beyond the download.

Memorize ships an update every 3 weeks, Simple Logarithm PRO monthly. The most recent releases landed on August 12, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Memorize | Simple Logarithm PRO |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/memorize-learn-and-remember/id1631928972/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Freemium** | Paid |
| Size | 133 MB | 180 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jakub Milcarz](https://appshunter.io/developer/1631892122) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Memorize

[App page](https://appshunter.io/ios/app/memorize-learn-and-remember/id1631928972)

Enhance your studies with a minimalist interface for efficient learning. Organize subjects into decks, track progress with notes and feedback, and visualize study habits. Set reminders and sync across devices for a seamless academic journey.

**Highlights:** Minimalist interface, Subject-based decks, Learning journal with notes, Study habit visualization, Customizable reminders, Cross-device syncing

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memorize+ (Weekly) | $1.99 | per 7 days |
| Memorize+ (Monthly) | $3.99 | per month |
| Memorize+ (Family) | $9.99 | per year |
| Memorize+ (Annual) | $19.99 | per year |
| Memorize+ (Lifetime) | $49.99 | one-time |


### Simple Logarithm PRO

[App page](https://appshunter.io/ios/app/simple-logarithm-pro/id1662897702)

This app simplifies complex logarithm and exponentiation calculations with step-by-step solutions. It supports various input types, including decimals, fractions, and negative values, and provides a history of all calculations.

**Highlights:** Logarithm and exponentiation modes, Step-by-step solution display, Support for decimals, fractions, and negative values, Calculation history, Transformation between logarithm and exponentiation, Logarithm rules infographic, Solution sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Memorize free?

Memorize is free to download, with in-app purchases available.

### Is Simple Logarithm PRO free?

Simple Logarithm PRO costs $1.99, with no in-app purchases.

### Do Memorize or Simple Logarithm PRO have ads?

Neither Memorize nor Simple Logarithm PRO shows ads.

### Which is updated more often, Memorize or Simple Logarithm PRO?

Memorize ships an update every 3 weeks, and Simple Logarithm PRO monthly. Most recently, Memorize was updated on August 12, 2026 and Simple Logarithm PRO on August 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*