# Exponential & Log Calculator vs Function Quiz

The clearest difference is in-app purchases: Function Quiz at none against Exponential & Log Calculator's 8. Function Quiz also leads on update cadence (daily vs every 3 weeks) and iOS requirement (12.0 vs 15.0). Exponential & Log Calculator's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Exponential & Log Calculator sells 8 one-off in-app purchases. Function Quiz asks for nothing beyond the download.

Exponential & Log Calculator ships an update every 3 weeks, Function Quiz daily. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Exponential & Log Calculator | Function Quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 183 MB | 36 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Natsuhiro Suzuki](https://appshunter.io/developer/1847216656) |

## What reviewers say

### Exponential & Log Calculator

[App page](https://appshunter.io/ios/app/exponential-and-log-calculator/id1662899878)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


### Function Quiz

[App page](https://appshunter.io/ios/app/function-quiz/id6754361379)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Exponential & Log Calculator free?

Exponential & Log Calculator is free to download, with in-app purchases available.

### Is Function Quiz free?

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

### Do Exponential & Log Calculator or Function Quiz have ads?

Function Quiz shows ads; Exponential & Log Calculator does not.

### Which is updated more often, Exponential & Log Calculator or Function Quiz?

Exponential & Log Calculator ships an update every 3 weeks, and Function Quiz daily. Most recently, Exponential & Log Calculator was updated on October 2, 2026 and Function Quiz on September 28, 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.*