Teachable online courses vs Spectrum 30
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Teachable online courses
Access online courses from your mobile device and learn new skills or hobbies on the go. Enjoy seamless progress syncing across devices and a consolidated learning experience.
- Access courses on the go
- Sync progress across devices
- Consolidated course access
- Offline video downloads
- Smooth interface
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Discover the freedom of learning on the move with Teachable’s iOS app. Whether you’re looking to master a skill or pick up a new hobby, join over 7 million students who are already learning through Teachable-powered schools. Access Anytime, Anywhere: Carry your online courses in your pocket. Access all your Teachable-powered school content whenever and wherever you are. Automatic Sync Across Devices: Switch between your iPhone app and web browser effortlessly. Your course progress is seamlessly synced, allowing you to pick up right where you left off. Using the Teachable iOS app is completely free. Once you’re enrolled in a course on a Teachable-powered school, you get full access to the content by downloading the app.
Spectrum 30
This app offers a 30-day structured training program to help soldiers and leaders understand the electromagnetic spectrum, recognize signatures, and manage emissions. It includes visual lessons, practice challenges, and leader decision-making simulations.
- 30-day spectrum awareness journey
- Visual lessons and infographics
- Five-question concept challenges
- Leader decision-making simulations
- Downloadable leader handouts
- Magnetic Field Explorer tool
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Spectrum 30 is a progressive 30-day training program designed to help Soldiers and leaders understand the electromagnetic spectrum, recognize electromagnetic signatures, manage emissions, and operate through degraded communications. TRAIN THE FUNDAMENTALS • Follow a structured 30-day spectrum-awareness journey • Learn through simple visual lessons and infographics • Reinforce concepts with five-question challenges • Practice leader decision-making with focused simulations BUILT FOR SOLDIERS AND LEADERS • Separate Soldier, instructor, and evaluator experiences • Downloadable leader handouts and training visuals • Practical standards, decision points, and after-action review tools • Day-focused practice labs using clearly labeled fictional training data VISUALIZE THE INVISIBLE The Magnetic Field Explorer uses the iPhone magnetometer to demonstrate relative magnetic-field changes near approved electronics and wiring. It is not an RF spectrum analyzer. The other Practice Labs are simulations and do not scan Wi-Fi, cellular, tactical-radio, GPS-threat, or live RF activity. No account or external RF sensor is required. Spectrum 30 is an independent educational training tool and is not affiliated with or endorsed by the U.S. Department of Defense or any military service. SEE, TRY, REMEMBER Visual Learn activities and hands-on Explore experiments help explain each concept. Predict what will happen, change a setting, and explain what you see. Optional audio examples include transcripts. Personal practice and Explore settings are saved separately from formal instructor assessments.
Screenshots
Verdict
The clearest difference is price: Teachable online courses at Free against Spectrum 30's $4.99. Teachable online courses also leads on ratings volume (9.4K vs 2) and update cadence (every 2 weeks vs every 2 months). Spectrum 30's advantage is rating (5.0 vs 4.6). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Teachable online courses is free to download; Spectrum 30 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Spectrum 30 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Teachable online courses has 9.4K ratings behind it against 2, so its average is the more settled of the two.
Teachable online courses ships an update every 2 weeks, Spectrum 30 every 2 months. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | Teachable online courses | Spectrum 30 |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.6 (9.4K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 9.4K — better | 2 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 71 MB | 79 MB |
| Age rating | 4+ | +12 |
| Developer | Teachable | DEREK FRANK BARTLETT |
Customer experience
Teachable online courses
Spectrum 30
Bugs and requests
Teachable online courses
Reported bugs
3 issues- Courses not syncing between app and website
- Videos not loading or playing properly
- Inability to log in with valid credentials
Requested features
4 requests- Add iPad native app
- Implement video playback controls (rewind, speed)
- Allow bookmarking progress in videos
- Improve offline mode reliability
Spectrum 30
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Teachable online courses
No in-app purchases
Spectrum 30
No in-app purchases
Questions
Is Teachable online courses free?
Is Spectrum 30 free?
Which has better reviews, Teachable online courses or Spectrum 30?
Do Teachable online courses or Spectrum 30 have ads?
Which is updated more often, Teachable online courses or Spectrum 30?
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