# Molarity Abacus vs AppBookmark

The clearest difference is review sentiment: Molarity Abacus at 100% against AppBookmark's 0%. Molarity Abacus also leads on rating (4.5 vs 2.8) and ratings volume (15 vs 4). AppBookmark's advantage is in-app purchases (none vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Molarity Abacus sells 1 one-off in-app purchase. AppBookmark asks for nothing beyond the download.

Molarity Abacus holds the better App Store score, 4.5 against 2.8. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews point the same way: 100% of Molarity Abacus's written reviews are positive against 0% of AppBookmark's.

## The numbers

| Metric | Molarity Abacus | AppBookmark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/molarity-abacus/id915807653/reviews)** | [2.8 (4 ratings)](https://appshunter.io/ios/app/appbookmark/id6740034050/reviews) |
| Number of ratings | **15** | 4 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 2 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oak Driven LLC](https://appshunter.io/developer/915807656) | [Shota Abe](https://appshunter.io/developer/1610459325) |

## What reviewers say

### Molarity Abacus

[App page](https://appshunter.io/ios/app/molarity-abacus/id915807653)

Easily calculate molarity, solution volume, solute mass, or molecular weight by inputting any three variables. Customize units and access pre-configured strong acids and bases. An in-app purchase allows for creating and storing custom compounds.

**Highlights:** Molarity calculation, Solute mass calculation, Total solution volume calculation, Molecular weight calculation, Customizable units, Pre-configured compounds, Create and store custom compounds

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Create and Save Compounds | Free | one-time |


### AppBookmark

[App page](https://appshunter.io/ios/app/appbookmark/id6740034050)

Easily save and organize apps you discover in the App Store. Never forget an interesting application again with this straightforward bookmarking tool.

**Highlights:** Bookmark app discoveries, Organize saved apps, Simple interface, App Store integration

**In-app purchases:** none


## Frequently asked questions

### Is Molarity Abacus free?

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

### Is AppBookmark free?

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

### Which has better reviews, Molarity Abacus or AppBookmark?

Molarity Abacus is rated higher. Molarity Abacus averages 4.5 out of 5 from 15 ratings, while AppBookmark averages 2.8 from 4 ratings.

### Do Molarity Abacus or AppBookmark have ads?

Neither Molarity Abacus nor AppBookmark shows ads.

---

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