# Student Mobile App vs Digital Stamp Decoder

The clearest difference is price: Student Mobile App at Free against Digital Stamp Decoder's $2.99. Student Mobile App also leads on update cadence (fortnightly vs every 5 months) and ratings volume (60 vs 2). Digital Stamp Decoder's advantage is rating (5.0 vs 1.6). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Student Mobile App is free to download; Digital Stamp Decoder costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Digital Stamp Decoder holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: Student Mobile App has 60 ratings behind it against 2, so its average is the more settled of the two.

Student Mobile App ships an update fortnightly, Digital Stamp Decoder every 5 months. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Student Mobile App | Digital Stamp Decoder |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [1.6 (60 ratings)](https://appshunter.io/ios/app/student-mobile-app/id1554975578/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/digital-stamp-decoder/id1671241165/reviews)** |
| Number of ratings | **60** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | **Free** | Paid |
| Size | 49 MB | 205 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emphasys Software](https://appshunter.io/developer/901508045) | [Graphic Security Systems Corp.](https://appshunter.io/developer/1176688211) |

## What reviewers say

### Student Mobile App

[App page](https://appshunter.io/ios/app/student-mobile-app/id1554975578)

This app helps students at participating schools monitor their attendance. Users can clock in and out of school and review their attendance records. It's designed to simplify tracking school presence.

**Highlights:** Clock in/out functionality, View attendance history, School participation required, Student attendance monitoring

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

**In-app purchases:** none


### Digital Stamp Decoder

[App page](https://appshunter.io/ios/app/digital-stamp-decoder/id1671241165)

Reveal hidden images on USPS postage stamps using advanced Scrambled Indicia® technology. Originally designed for anti-counterfeiting, this app offers stamp collectors a unique way to authenticate and appreciate their collection. Explore the innovative world of philately with this modern collector's tool.

**Highlights:** Reveal hidden stamp images, Utilizes Scrambled Indicia® technology, Authenticates USPS postage stamps, Aids stamp collectors and philatelists, Showcase stamp collection

**In-app purchases:** none


## Frequently asked questions

### Is Student Mobile App free?

Student Mobile App is free to download, with no in-app purchases.

### Is Digital Stamp Decoder free?

Digital Stamp Decoder costs $2.99, with no in-app purchases.

### Which has better reviews, Student Mobile App or Digital Stamp Decoder?

Digital Stamp Decoder is rated higher. Student Mobile App averages 1.6 out of 5 from 60 ratings, while Digital Stamp Decoder averages 5.0 from 2 ratings.

### Do Student Mobile App or Digital Stamp Decoder have ads?

Neither Student Mobile App nor Digital Stamp Decoder shows ads.

### Which is updated more often, Student Mobile App or Digital Stamp Decoder?

Student Mobile App ships an update fortnightly, and Digital Stamp Decoder every 5 months. Most recently, Student Mobile App was updated on September 16, 2026 and Digital Stamp Decoder on June 1, 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.*