# e vs Basic Math

The clearest difference is rating: e at 5.0 against Basic Math's 3.0. e also leads on ads (none vs shown) and review sentiment (90% vs 64%). Basic Math's advantage is update cadence (every 2 months vs every 11 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

e holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 90% of e's written reviews are positive against 64% of Basic Math's.

e ships an update every 11 months, Basic Math every 2 months. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | e | Basic Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-spacetime-converter/id291317973/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/basic-math/id291808633/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **90.0% of reviews** | 63.9% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 7 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Elliptics, Ltd.](https://appshunter.io/developer/289108972) | [Explorer Technologies](https://appshunter.io/developer/290940392) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-spacetime-converter/id291317973)

Explore the universe of spacetime by converting lengths into time and vice versa. This unique calculator uses geometrized units to help you think about the world in new ways and amuse your friends. It's a fun tool for science enthusiasts and students alike.

**Highlights:** Convert length to time, Convert time to length, Geometrized units (c=1), Avoids scientific notation, Supports various input units, Educational and entertaining

**In-app purchases:** none


### Basic Math

[App page](https://appshunter.io/ios/app/basic-math/id291808633)

Practice essential math skills through repetitive exercises. This app offers addition, subtraction, multiplication, and division problems suitable for children and adults. An optional upgrade unlocks advanced features like a numeric keypad, customizable difficulty, and performance tracking.

**Highlights:** Addition exercises, Subtraction exercises, Multiplication exercises, Division exercises, Adjustable difficulty, Performance reporting

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good for brushing up math skills
- 👍 Helps improve math abilities
- 👍 Allows setting max/min problem values
- 👍 Good for practicing specific multiplication problems
- 👍 Cool math game

**What reviewers complain about**

- 👎 No percents offered
- 👎 App abruptly stops when checking Report Card
- 👎 Cannot adjust number of problems per session
- 👎 Tic Tac Toe mode assumes two players
- 👎 Does not teach math, only runs through problems

**Reported bugs**

- Application abruptly stops when checking Report Card
- Tic Tac Toe mode instantly presumes two players
- Timer only counts up and not down
- Requires iOS 4, not compatible with older devices

**Requested features**

- Offer percents
- Allow adjustment of problems per session
- Option to change Tic Tac Toe mode to single player
- Explain why questions were missed
- Make timer count down


## Frequently asked questions

### Is e free?

e is free to download, with no in-app purchases.

### Is Basic Math free?

Basic Math is free to download, with no in-app purchases.

### Which has better reviews, e or Basic Math?

e is rated higher. e averages 5.0 out of 5 from 1 ratings, while Basic Math averages 3.0 from 1 ratings.

### Do e or Basic Math have ads?

Basic Math shows ads; e does not.

### Which is updated more often, e or Basic Math?

e ships an update every 11 months, and Basic Math every 2 months. Most recently, e was updated on October 5, 2026 and Basic Math on September 29, 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.*