# Tap OChem vs Solubility Study

The clearest difference is update cadence: Tap OChem at every 3 months against Solubility Study's every 45 months. Solubility Study's advantage is price ($1.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Tap OChem costs $4.99 and Solubility Study $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tap OChem ships an update every 3 months, Solubility Study every 45 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Tap OChem | Solubility Study |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/tap-ochem/id579861146/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 45 months |
| Monetization | Paid | — |
| Size | 3.5 GB | 75 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tap OChem, LLC](https://appshunter.io/developer/579861209) | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) |

## What reviewers say

### Tap OChem

[App page](https://appshunter.io/ios/app/tap-ochem/id579861146)

Visualize complex organic chemistry reactions and concepts with animated explanations. This app covers a wide range of undergraduate organic chemistry topics, aiding in exam preparation and understanding of molecular behavior.

**Highlights:** Animated organic chemistry reactions, Detailed concept explanations, Electron pushing diagrams, Full-color text descriptions, MCAT, PCAT, OAT, DAT prep, Regular content updates

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

**In-app purchases:** none


### Solubility Study

[App page](https://appshunter.io/ios/app/solubility-study-edutech-era/id1617442186)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tap OChem free?

Tap OChem costs $4.99, with no in-app purchases.

### Is Solubility Study free?

Solubility Study costs $1.99, with no in-app purchases.

### Do Tap OChem or Solubility Study have ads?

Neither Tap OChem nor Solubility Study shows ads.

### Which is updated more often, Tap OChem or Solubility Study?

Tap OChem ships an update every 3 months, and Solubility Study every 45 months. Most recently, Tap OChem was updated on October 23, 2026 and Solubility Study on October 6, 2026.

---

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