# DiffPic vs FluidFlow

The clearest difference is update cadence: FluidFlow at every 2 weeks against DiffPic's every 6 months. DiffPic's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. DiffPic sells 1 one-off in-app purchase and FluidFlow sells 6 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

DiffPic ships an update every 6 months, FluidFlow every 2 weeks. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | DiffPic | FluidFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diffpic/id6751864280/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 23 MB | 81 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Brown](https://appshunter.io/developer/1837291767) | [Wai Hoow Swee](https://appshunter.io/developer/1881507404) |

## What reviewers say

### DiffPic

[App page](https://appshunter.io/ios/app/diffpic/id6751864280)

Easily track visual progress with before-and-after photo comparisons. Automatically calculate time differences between images to document transformations in fitness, home renovation, and more. Share your journey instantly while keeping your photos private on your device.

**Highlights:** Smart photo comparison, Automatic time tracking, Flexible layout options, Instant social sharing, Privacy-first design, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $0.99 | one-time |


### FluidFlow

[App page](https://appshunter.io/ios/app/fluidflow-photo-to-video/id6759898398)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $19.99 | per month |
| Annual Plan | $179.99 | per year |
| 5 Tokens | $14.99 | one-time |
| 10 Tokens | $29.99 | one-time |
| 20 Tokens | $54.99 | one-time |
| 50 Tokens | $124.99 | one-time |


## Frequently asked questions

### Is DiffPic free?

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

### Is FluidFlow free?

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

### Do DiffPic or FluidFlow have ads?

Neither DiffPic nor FluidFlow shows ads.

### Which is updated more often, DiffPic or FluidFlow?

DiffPic ships an update every 6 months, and FluidFlow every 2 weeks. Most recently, DiffPic was updated on October 25, 2026 and FluidFlow on October 18, 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.*