# Delivery Confirmation vs osaring sizer

The clearest difference is update cadence: osaring sizer at every 3 days against Delivery Confirmation's every 7 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.

Delivery Confirmation ships an update every 7 months, osaring sizer every 3 days. The most recent releases landed on September 20, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Delivery Confirmation | osaring sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Size | 66 MB | 32 MB |
| Requires iOS | 16.2 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PathGuide Technologies, Inc](https://appshunter.io/developer/1547531775) | [Shenzhen Huoyan Intelligence Co.,Ltd](https://appshunter.io/developer/1895154951) |

## What reviewers say

### Delivery Confirmation

[App page](https://appshunter.io/ios/app/delivery-confirmation/id1588929731)

**Features:** macOS Compatibility

**In-app purchases:** none


### osaring sizer

[App page](https://appshunter.io/ios/app/osaring-sizer/id6766071045)

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

**In-app purchases:** none


## Frequently asked questions

### Is Delivery Confirmation free?

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

### Is osaring sizer free?

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

### Do Delivery Confirmation or osaring sizer have ads?

Neither Delivery Confirmation nor osaring sizer shows ads.

### Which is updated more often, Delivery Confirmation or osaring sizer?

Delivery Confirmation ships an update every 7 months, and osaring sizer every 3 days. Most recently, Delivery Confirmation was updated on September 20, 2026 and osaring sizer on August 18, 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.*