# Doc Align vs tomTrace

The clearest difference is in-app purchases: tomTrace at none against Doc Align's 1. tomTrace also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). Doc Align's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Doc Align sells 1 one-off in-app purchase. tomTrace asks for nothing beyond the download.

Doc Align ships an update monthly, tomTrace every 3 days. The most recent releases landed on September 2, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Doc Align | tomTrace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Size | 18 MB | 1 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) | [Taro Tomura](https://appshunter.io/developer/1243542772) |

## What reviewers say

### Doc Align

[App page](https://appshunter.io/ios/app/doc-align-perspective-fixer/id6748571837)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### tomTrace

[App page](https://appshunter.io/ios/app/tomtrace/id6761247621)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doc Align free?

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

### Is tomTrace free?

tomTrace is free to download, with no in-app purchases.

### Do Doc Align or tomTrace have ads?

Doc Align shows ads; tomTrace does not.

### Which is updated more often, Doc Align or tomTrace?

Doc Align ships an update monthly, and tomTrace every 3 days. Most recently, Doc Align was updated on September 2, 2026 and tomTrace on September 9, 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.*