# Formula Conversion vs ASWB MSW Test Prep 2026

Formula Conversion and ASWB MSW Test Prep 2026 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Formula Conversion sells 1 one-off in-app purchase and ASWB MSW Test Prep 2026 sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Formula Conversion ships an update every 26 months, ASWB MSW Test Prep 2026 every 14 months. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Formula Conversion | ASWB MSW Test Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 14 months** |
| Size | 2 MB | 24 MB |
| Requires iOS | 14.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Janek Soomets](https://appshunter.io/developer/1315295062) | [KYLIEPREP](https://appshunter.io/developer/1709105434) |

## What reviewers say

### Formula Conversion

[App page](https://appshunter.io/ios/app/formula-conversion/id1586539965)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Formula Conversion | $3.99 | one-time |


### ASWB MSW Test Prep 2026

[App page](https://appshunter.io/ios/app/aswb-msw-test-prep-2026/id6467031446)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $4.99 | per 7 days |
| 1 Month Special Offer | $7.49 | per month |
| 1 Month | $14.99 | per month |
| 3 Months | $39.99 | per 3 months |


## Frequently asked questions

### Is Formula Conversion free?

Formula Conversion is free to download, with in-app purchases available.

### Is ASWB MSW Test Prep 2026 free?

ASWB MSW Test Prep 2026 is free to download, with in-app purchases available.

### Do Formula Conversion or ASWB MSW Test Prep 2026 have ads?

Neither Formula Conversion nor ASWB MSW Test Prep 2026 shows ads.

### Which is updated more often, Formula Conversion or ASWB MSW Test Prep 2026?

Formula Conversion ships an update every 26 months, and ASWB MSW Test Prep 2026 every 14 months. Most recently, Formula Conversion was updated on September 29, 2026 and ASWB MSW Test Prep 2026 on October 5, 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.*