# STP Iclass Pro App vs AfterShift

The clearest difference is in-app purchases: STP Iclass Pro App at none against AfterShift's 4. STP Iclass Pro App also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). AfterShift's advantage is update cadence (every 11 days vs every 4 weeks). On price and ads there is nothing between them.

Both are free to download. AfterShift sells 4 in-app purchases, starting at $3.99 per month. STP Iclass Pro App asks for nothing beyond the download.

STP Iclass Pro App ships an update every 4 weeks, AfterShift every 11 days. The most recent releases landed on October 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | STP Iclass Pro App | AfterShift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/aftershift-sleep-and-shift-work/id6757163182/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 11 days** |
| Monetization | — | Freemium |
| Size | 57 MB | 16 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ST PETERS SCHOOL TRUST BOARD](https://appshunter.io/developer/1634439448) | [Antti Aittamaa](https://appshunter.io/developer/1855943133) |

## What reviewers say

### STP Iclass Pro App

[App page](https://appshunter.io/ios/app/stp-iclass-pro-app/id1634439446)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### AfterShift

[App page](https://appshunter.io/ios/app/aftershift-sleep-and-shift-work/id6757163182)

This app helps shift workers track sleep and recovery based on their unique schedules, not a standard 9-to-5. It automatically detects shifts from your calendar and provides personalized recovery plans and reminders timed to your work hours. Naps and split sleep are recognized as valid recovery.

**Highlights:** Shift detection from calendar, Shift-to-shift recovery tracking, Personalized recovery plans, Shift-timed reminders, Sleep techniques for shift work, On-device AI explanations (Pro), Exportable recovery reports

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AfterShift Premium Monthly | $3.99 | per month |
| AfterShift Premium Yearly | $24.99 | per year |
| Support the Developer | $1.00 | one-time |
| AfterShift Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is STP Iclass Pro App free?

STP Iclass Pro App is free to download, with no in-app purchases.

### Is AfterShift free?

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

### Do STP Iclass Pro App or AfterShift have ads?

Neither STP Iclass Pro App nor AfterShift shows ads.

### Which is updated more often, STP Iclass Pro App or AfterShift?

STP Iclass Pro App ships an update every 4 weeks, and AfterShift every 11 days. Most recently, STP Iclass Pro App was updated on October 7, 2026 and AfterShift on October 31, 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.*