# Thorp & Trainer vs Informed Delivery® Mobile

The clearest difference is chart position: Informed Delivery® Mobile at #18 against Thorp & Trainer's unranked. Thorp & Trainer's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 13, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Thorp & Trainer | Informed Delivery® Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (123K ratings)](https://appshunter.io/ios/app/informed-delivery-mobile/id6478885776/reviews)** |
| Number of ratings | — | **123K** |
| Positive reviews | — | 64.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Best chart rank | — | **#18** |
| Size | 39 MB | 145 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thorp & Trainer Inc](https://appshunter.io/developer/1474970489) | [United States Postal Service](https://appshunter.io/developer/339597581) |

## What reviewers say

### Thorp & Trainer

[App page](https://appshunter.io/ios/app/thorp-and-trainer/id1113044166)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Informed Delivery® Mobile

[App page](https://appshunter.io/ios/app/informed-delivery-mobile/id6478885776)

**Currently charting:** #18 Top Free · Business (US App Store)

Preview your mail and packages before they arrive with daily notifications. See grayscale images of letter-sized mail and get USPS tracking updates for packages. Interact with digital content linked to your mail.

**Highlights:** Mail and package preview, Daily digest notifications, Grayscale mail images, Digital content interaction, USPS package tracking, Delivery status updates

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Thoughtfully designed and user-friendly
- 🚀 Efficient and fast app experience
- 💡 Convenient mail and package tracking
- 👍 Smooth and easy login

**What reviewers complain about**

- 🐛 Address validation issues
- 🐛 Ineligibility for Informed Delivery despite USPS website access

**Reported bugs**

- Address validation issues
- Ineligibility for Informed Delivery despite USPS website access

**Requested features**

- Restore missing 'Report Missing Mail' feature


## Frequently asked questions

### Is Thorp & Trainer free?

Thorp & Trainer is free to download, with no in-app purchases.

### Is Informed Delivery® Mobile free?

Informed Delivery® Mobile is free to download, with no in-app purchases.

### Do Thorp & Trainer or Informed Delivery® Mobile have ads?

Neither Thorp & Trainer nor Informed Delivery® Mobile shows ads.

### Which is updated more often, Thorp & Trainer or Informed Delivery® Mobile?

Thorp & Trainer ships an update every 2 months, and Informed Delivery® Mobile every 2 months. Most recently, Thorp & Trainer was updated on October 13, 2026 and Informed Delivery® Mobile on October 29, 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.*