# Solubility Study vs DOST SIMATAR

The clearest difference is price: DOST SIMATAR at Free against Solubility Study's $1.99. DOST SIMATAR also leads on update cadence (weekly vs every 45 months). Solubility Study's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

DOST SIMATAR is free to download; Solubility Study costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solubility Study ships an update every 45 months, DOST SIMATAR weekly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Solubility Study | DOST SIMATAR |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Weekly** |
| Size | 75 MB | 289 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Solubility Study

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DOST SIMATAR

[App page](https://appshunter.io/ios/app/dost-simatar-matter/id6745665601)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solubility Study free?

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

### Is DOST SIMATAR free?

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

### Do Solubility Study or DOST SIMATAR have ads?

Neither Solubility Study nor DOST SIMATAR shows ads.

### Which is updated more often, Solubility Study or DOST SIMATAR?

Solubility Study ships an update every 45 months, and DOST SIMATAR weekly. Most recently, Solubility Study was updated on October 6, 2026 and DOST SIMATAR on October 10, 2026.

---

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