# Stamp Tracker vs Soko

The clearest difference is in-app purchases: Stamp Tracker at none against Soko's 3. On price and iOS requirement there is nothing between them.

Both are free to download. Soko sells 3 in-app purchases, starting at $1.99 per month. Stamp Tracker asks for nothing beyond the download.

## The numbers

| Metric | Stamp Tracker | Soko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Fortnightly |
| Size | 73 MB | 15 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [LOGOS LAB](https://appshunter.io/developer/1516831751) | [atsuko imai](https://appshunter.io/developer/1830783417) |

## What reviewers say

### Stamp Tracker

[App page](https://appshunter.io/ios/app/stamp-tracker-habit-builder/id6758754569)

**In-app purchases:** none


### Soko

[App page](https://appshunter.io/ios/app/soko-place-based-tasks/id6758879585)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soko Pro Monthly | $1.99 | per month |
| Soko Pro Yearly | $6.99 | per year |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Stamp Tracker free?

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

### Is Soko free?

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

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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.*