# General Chemistry Test Prep vs BenchMentis

The clearest difference is in-app purchases: BenchMentis at none against General Chemistry Test Prep's 9. BenchMentis also leads on update cadence (every 3 days vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. General Chemistry Test Prep sells 9 in-app purchases, starting at $8.99 per 7 days. BenchMentis asks for nothing beyond the download.

General Chemistry Test Prep ships an update every 14 months, BenchMentis every 3 days. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | General Chemistry Test Prep | BenchMentis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 days** |
| Size | 53 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [Ramesh Nimma](https://appshunter.io/developer/1896191484) |

## What reviewers say

### General Chemistry Test Prep

[App page](https://appshunter.io/ios/app/general-chemistry-test-prep/id6744531345)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry Weekly Full Access | $8.99 | per 7 days |
| Chemistry Monthly Full Access | $24.99 | per month |
| ACS Monthly Full Access | $34.99 | per month |
| ACS Quarterly Full Access | $55.99 | per 3 months |
| ACS Quarterly Full Access | $59.99 | per 3 months |
| ACS Semiannual Full Access | $75.99 | per 6 months |
| ACS Semiannual Full Access | $79.99 | per 6 months |
| ACS Annual Full Access | $109.99 | per year |
| ACS Annual Full Access | $119.99 | per year |


### BenchMentis

[App page](https://appshunter.io/ios/app/benchmentis/id6766092739)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is General Chemistry Test Prep free?

General Chemistry Test Prep is free to download, with in-app purchases available.

### Is BenchMentis free?

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

### Do General Chemistry Test Prep or BenchMentis have ads?

Neither General Chemistry Test Prep nor BenchMentis shows ads.

### Which is updated more often, General Chemistry Test Prep or BenchMentis?

General Chemistry Test Prep ships an update every 14 months, and BenchMentis every 3 days. Most recently, General Chemistry Test Prep was updated on October 12, 2026 and BenchMentis on October 6, 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.*