# Thread Mark vs indexiFly

The clearest difference is ads: indexiFly at none against Thread Mark's shown. indexiFly also leads on update cadence (daily vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Thread Mark sells 2 one-off in-app purchases and indexiFly sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Thread Mark ships an update fortnightly, indexiFly daily. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Thread Mark | indexiFly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Size | 49 MB | 45 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Koya Kurauchi](https://appshunter.io/developer/1887146796) | [Roland Ross Lacdan Hadi](https://appshunter.io/developer/1678311523) |

## What reviewers say

### Thread Mark

[App page](https://appshunter.io/ios/app/thread-mark-markdown-notes/id6775019899)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy the Developer a Coffee | $2.99 | one-time |
| ThreadMark Pro | $9.99 | one-time |


### indexiFly

[App page](https://appshunter.io/ios/app/indexifly/id6787343208)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| indexiFly Premium (Monthly) | $0.99 | per month |
| indexiFly Premium (Annual) | $7.99 | per year |
| indexiFly Premium (Lifetime) | $14.99 | one-time |


## Frequently asked questions

### Is Thread Mark free?

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

### Is indexiFly free?

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

### Do Thread Mark or indexiFly have ads?

Thread Mark shows ads; indexiFly does not.

### Which is updated more often, Thread Mark or indexiFly?

Thread Mark ships an update fortnightly, and indexiFly daily. Most recently, Thread Mark was updated on October 3, 2026 and indexiFly on October 1, 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.*