# Sillage vs FlowDoc

The clearest difference is device support: FlowDoc at 3 against Sillage's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sillage sells 4 in-app purchases, starting at $2.99 per month and FlowDoc sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Sillage ships an update every 2 weeks, FlowDoc every 10 days. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Sillage | FlowDoc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 154 MB | 8 MB |
| Requires iOS | 16.4 | **16** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [俊 柳](https://appshunter.io/developer/1875136302) | [启东 吴](https://appshunter.io/developer/1784495162) |

## What reviewers say

### Sillage

[App page](https://appshunter.io/ios/app/sillage-map-your-journey/id6758825434)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Annual Plan | $5.99 | per 3 months |
| Annual Plan | $17.99 | per year |
| Sillage Plus Lifetime | $29.99 | one-time |


### FlowDoc

[App page](https://appshunter.io/ios/app/flowdoc/id6762466608)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlowDoc Monthly Subscription | $0.99 | per month |
| FlowDoc Annual Subscription | $7.99 | per year |
| FlowDoc Lifetime Membership | $9.99 | one-time |


## Frequently asked questions

### Is Sillage free?

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

### Is FlowDoc free?

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

### Do Sillage or FlowDoc have ads?

Neither Sillage nor FlowDoc shows ads.

### Which is updated more often, Sillage or FlowDoc?

Sillage ships an update every 2 weeks, and FlowDoc every 10 days. Most recently, Sillage was updated on September 7, 2026 and FlowDoc on September 10, 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.*