# Aktiv Learning vs Senstream

The clearest difference is rating: Senstream at 4.3 against Aktiv Learning's 3.2. Senstream also leads on in-app purchases (none vs 1) and device support (4 vs 2). Aktiv Learning's advantage is ratings volume (184 vs 3) and update cadence (every 3 weeks vs every 3 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Aktiv Learning sells 1 one-off in-app purchase. Senstream asks for nothing beyond the download.

Senstream holds the better App Store score, 4.3 against 3.2. That said, the two scores are not equally well evidenced: Aktiv Learning has 184 ratings behind it against 3, so its average is the more settled of the two.

Aktiv Learning ships an update every 3 weeks, Senstream every 3 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Aktiv Learning | Senstream |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (184 ratings)](https://appshunter.io/ios/app/aktiv-learning/id1128486439/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/senstream/id1297743398/reviews)** |
| Number of ratings | **184** | 3 |
| Positive reviews | 72.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 19 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Top Hat Monocle](https://appshunter.io/developer/411098284) | [Senstream, Inc.](https://appshunter.io/developer/1297743397) |

## What reviewers say

### Aktiv Learning

[App page](https://appshunter.io/ios/app/aktiv-learning/id1128486439)

This platform offers dynamic problems and interactive tools for college-level chemistry and math. It helps students visualize abstract STEM concepts and provides instructors with real-time insights into class understanding. Features include a mobile-friendly Lewis structure drawing tool and over 250 practice questions.

**Highlights:** Interactive Lewis structure drawing tool, Dynamic STEM problems, Real-time class results, Over 250 built-in practice questions, Create in-class or homework assignments, Isoform recognition for answers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chem101 Course Activation | $29.99 | one-time |

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 📱 Works seamlessly on both mobile and desktop
- 💡 Interactive problem-solving tools (Lewis structures, dimensional analysis)
- 🎯 Multiple attempts per question reduce fear of failure
- 📚 Detailed explanations and step-by-step solutions

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- ⏱️ Extremely slow loading times
- 🔐 Login and authentication issues
- 📱 Drag-and-drop functionality malfunctions on iPad
- ❌ Confusing and unclear question directions

**Reported bugs**

- Pop-up warnings flicker and disappear too quickly
- Drag-and-drop fails 70% of the time on iOS
- App crashes on specific problems with no recovery
- Login errors and password reset failures
- Users locked out of questions permanently

**Requested features**

- In-app notification system for assignment reminders
- Ability to sign up for courses on mobile app
- Split-screen functionality on iPad
- Zoom capability for periodic table
- Reset button for Lewis structure questions


### Senstream

[App page](https://appshunter.io/ios/app/senstream/id1297743398)

This app records physiological signal data from a wearable ring, capturing electrodermal activity, ECG, PPG, temperature, and motion. It connects to the cloud for powerful data analysis, enabling new types of research.

**Highlights:** Electrodermal activity (EDA/GSR) capture, ECG and PPG data recording, Temperature and motion sensing, Mobile and cloud data synchronization, BIOPAC integration

**In-app purchases:** none


## Frequently asked questions

### Is Aktiv Learning free?

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

### Is Senstream free?

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

### Which has better reviews, Aktiv Learning or Senstream?

Senstream is rated higher. Aktiv Learning averages 3.2 out of 5 from 184 ratings, while Senstream averages 4.3 from 3 ratings.

### Do Aktiv Learning or Senstream have ads?

Neither Aktiv Learning nor Senstream shows ads.

### Which is updated more often, Aktiv Learning or Senstream?

Aktiv Learning ships an update every 3 weeks, and Senstream every 3 months. Most recently, Aktiv Learning was updated on October 14, 2026 and Senstream on October 6, 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.*