# FormSync vs Frame by Frame

The clearest difference is ads: FormSync at none against Frame by Frame's shown. FormSync also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | FormSync | Frame by Frame |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/formsync-swing-and-form-compare/id6779924474/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 36 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Sugiyama](https://appshunter.io/developer/6778858327) | [PrimeWave株式会社](https://appshunter.io/developer/1880646714) |

## What reviewers say

### FormSync

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

Compare two videos side-by-side to analyze movement and form. Ideal for sports, dance, or training, it allows synchronized playback, slow-motion, and detailed zooming. Export comparisons for sharing and analysis.

**Highlights:** Side-by-side video playback, Synchronized play/pause, Shared seek bar, Slow-motion playback, Pinch to zoom, Video export, Comparison history

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

**In-app purchases (1)**

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


### Frame by Frame

[App page](https://appshunter.io/ios/app/frame-by-frame-slow-mo-video/id6804230993)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | one-time |


## Frequently asked questions

### Is FormSync free?

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

### Is Frame by Frame free?

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

### Do FormSync or Frame by Frame have ads?

Frame by Frame shows ads; FormSync does not.

### Which is updated more often, FormSync or Frame by Frame?

FormSync ships an update weekly, and Frame by Frame weekly. Most recently, FormSync was updated on October 25, 2026 and Frame by Frame on October 20, 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.*