Metric Practice Free vs Cerego
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Metric Practice Free
Practice converting between metric prefixes and S.I. units. This app allows you to select units, values, or both to find equivalents. The free version includes novice-level practice for each conversion type.
- Metric prefix conversion practice
- S.I. unit conversions
- Selectable units and values
- Different skill levels
- Novice level practice included
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Hone your skills at converting between metric prefixes using S.I. units. The Metric Practice app offers practice in converting between metric prefixes at different skill levels. You can either select the units, the value, or both to determine the equivalent for a given value and unit. The lite version of this app contains only the novice level of each practice type.
Cerego
This app offers a personalized learning experience, syncing course content and tracking your progress. It utilizes microlearning principles and smart notifications to help you study efficiently and retain information effectively. Access your learning materials anytime, anywhere, even offline.
- Personalized study recommendations
- Smart review notifications
- Progress tracking and analytics
- Offline study mode
- Automatic cross-device sync
- Microlearning approach
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Cerego mobile is a convenient and easy way to stay on top of your courses and assignments. When you sign into your Cerego account the app will automatically sync all of your course content and display your progress with the material. Studying on mobile is the most efficient, effective way to learn. Study on the go with the Cerego personalized learning app and see 2X better results! Learning science shows that short, frequent interactions known as "microlearning" and timeliness are key predictors of better learning. Improve how you learn and retain what you learn with Cerego at your fingertips. Why you’ll love the mobile app: - Personalized to you, Cerego tells you what to study and when to review - Smart notifications based on your study habits alert you when it’s time to review and ensure you stay on track - Charts your progress across courses and assignments so that you always know where you stand - Provides insights and analytics to highlight your strengths and uncover concepts that need your attention - Syncs your study progress automatically across all of your devices - Offline study mode saves your progress when you are not connected to the internet About Cerego: Cerego is a learning technology company and the creator of a personalized learning platform that helps people learn faster, remember longer and quantify what they know. Our powerful adaptive learning engine is based on thousands of hours of research in the fields of neuroscience, learning theory, and cognitive science are built into the platform to ensure that every course is completely personalized to you based on your activity on the app.
Screenshots
Verdict
The clearest difference is rating: Cerego at 4.8 against Metric Practice Free's 2.3. Cerego also leads on review sentiment (69% vs 33%) and in-app purchases (none vs 1). Metric Practice Free's advantage is iOS requirement (6.0 vs 12.2). On price, ads and device support 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
Both are free to download. Metric Practice Free sells 1 one-off in-app purchase. Cerego asks for nothing beyond the download.
Cerego holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: Cerego has 2.1K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Metric Practice Free's written reviews are positive against 69% of Cerego's.
Metric Practice Free ships an update every 7 months, Cerego every 8 days. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | Metric Practice Free | Cerego |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 4.8 (2.1K ratings) — better |
| Positive reviews | 33.3% of reviews | 68.5% of reviews — better |
| Number of ratings | 3 | 2.1K — better |
| Update frequency | Every 7 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 12.2 |
| Further details — not scored | ||
| Size | 12 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Carolina Biological Supply | Cerego, Inc |
Customer experience
Metric Practice Free
Cerego
Bugs and requests
Metric Practice Free
Not enough reviews yet to summarise bugs or requests.
Cerego
Reported bugs
5 issues- Frequent app crashes
- Inconsistent reset and review times
- Blank or unreadable flashcards
- Compatibility issues with newer iOS versions
- Syncing problems between app and website
Requested features
5 requests- Ability to complete assignments without mandatory breaks
- Improved syncing between mobile app and website
- More customization options for study sessions
- Expanded course and content library
- Better support for different learning styles
In-app purchases
Metric Practice Free
- Metric Practice Premium Content$1.99
Cerego
No in-app purchases
Questions
Is Metric Practice Free free?
Is Cerego free?
Which has better reviews, Metric Practice Free or Cerego?
Do Metric Practice Free or Cerego have ads?
Which is updated more often, Metric Practice Free or Cerego?
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