# D vs FormSync

The clearest difference is ads: FormSync at none against D's shown. FormSync also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.1 vs 18.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. D sells 2 one-off in-app purchases and FormSync sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

D ships an update every 2 months, FormSync weekly. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | D | FormSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 4 MB | 36 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Koki Endo](https://appshunter.io/developer/1844034110) | [Hiroki Sugiyama](https://appshunter.io/developer/6778858327) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-pla-pra/id6753617153)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Remove Project Limit | $2.99 | one-time |


### FormSync

[App page](https://appshunter.io/ios/app/formsync-swing-and-form-compare/id6779924474)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is D free?

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

### Is FormSync free?

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

### Do D or FormSync have ads?

D shows ads; FormSync does not.

### Which is updated more often, D or FormSync?

D ships an update every 2 months, and FormSync weekly. Most recently, D was updated on October 14, 2026 and FormSync on October 15, 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.*