# OneDrop vs StampDoc

The clearest difference is update cadence: StampDoc at every 2 months against OneDrop's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OneDrop ships an update every 8 months, StampDoc every 2 months. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OneDrop | StampDoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stampdoc/id6753040013/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 36 MB | 67 MB |
| Requires iOS | **14.1** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FreeBit Co., Ltd.](https://appshunter.io/developer/302133977) | [Anyelo Moreno](https://appshunter.io/developer/1842233376) |

## What reviewers say

### OneDrop

[App page](https://appshunter.io/ios/app/onedrop/id1542625317)

**In-app purchases:** none


### StampDoc

[App page](https://appshunter.io/ios/app/stampdoc/id6753040013)

Easily sign PDFs and images, create custom digital stamps, and manage your documents securely from your iPhone or iPad. Streamline your workflow by going fully digital, eliminating the need for printing and scanning.

**Highlights:** Sign PDFs and images, Create custom digital stamps, Signature editor and scanner, Import and reuse stamps, Built-in PDF and image viewer, Save and share signed files

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneDrop free?

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

### Is StampDoc free?

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

### Do OneDrop or StampDoc have ads?

Neither OneDrop nor StampDoc shows ads.

### Which is updated more often, OneDrop or StampDoc?

OneDrop ships an update every 8 months, and StampDoc every 2 months. Most recently, OneDrop was updated on September 29, 2026 and StampDoc on October 4, 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.*