Comparison

Oslr vs Smart Mental Math Trainer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Oslr

Facilitates hospital training coordination for doctors and medical students. Connect with peers, schedule teaching sessions, share resources, and log feedback for professional development. Streamlines workplace learning for improved medical education.

Highlights
  • Match teaching sessions to student needs
  • Schedule teaching times for all participants
  • Share peer-recommended learning resources
  • Capture teaching and feedback for portfolios
  • Simplify workplace teaching and learning
  • Log training and feedback for CPD
Features
Read full description

Arranging medical education giving you a headache? Our doctors prescribe Oslr ! Working with clinicians across the UK, we’ve built Oslr to make arranging hospital training easy. CONNECT - Match sessions to students’ needs TEACH - Find times that work for everyone LEARN - Add and share peer recommended resources IMPROVE - Capture teaching and feedback for your portfolio Doctors / Trainers We know the best doctors and trainers incorporate teaching and continuous improvement into their practice, but you're busy and don't always have time to plan lessons, find appropriate patients, resources or students and chase them for feedback. Built by doctors, Oslr simplifies workplace teaching and learning. With just a few clicks you can connect with peers, share resources, post teaching sessions to meet student needs and automatically log training with feedback for CPD. Students To become a great doctor you need workplace training to interface with doctors, real patients and all health care professionals, but they are busy. Developed with medical students, Oslr enables you to request teaching across specialties, access peer recommended resources, join live teaching sessions to learn how to engage, pick-up signs, make diagnosis and provide feedback in confidence, whilst all your learning is automatically captured to help you graduate with flying colours. Oslr is a new way for doctors, medical students and health care professionals to coordinate workplace teaching in hospitals. Learning to examine real patients is a core part of every doctor's training, but can be difficult to coordinate around busy schedules and unpredictable patients. Oslr solves this problem. Institutions You know workplace training has never been more essential to deliver the best care, but how do you ensure the training, often informal and undocumented, is optimal at busy institutions? Developed with hospitals and medical schools, Oslr not only increases the amount of training delivered, it precisely captures what is being taught, where, who's attending and feedback. Enabling promotion of best practice, identification of training gaps, resource optimisation and a comprehensive record of workplace medical training. *** This app is designed for doctors and medical students based in UK hospitals. A valid university or NHS email address is required to unlock full functionality. *** This application can also be accessed by https://www.oslr.co.uk/ Great doctors teach - Oslr makes it easy !

About

Smart Mental Math Trainer

Improve your arithmetic skills with an AI coach that adapts to your learning pace. Master multiplication, division, percentages, and more through interactive lessons and targeted practice sessions. Learn practical calculation strategies to boost speed and accuracy in everyday situations.

Highlights
  • Adaptive AI coaching
  • Learn calculation strategies
  • Practice core arithmetic skills
  • Focus on weak spots
  • Progress tracking
  • Short, high-impact sessions
Features
Read full description

Stop doing random drills. Start training smarter with an adaptive coach that helps you improve step by step. Smart Mental Math gives you full access through a low-cost one-time purchase — no subscription required. Smart Mental Math is more than a drill app. It combines focused mental math training with a dedicated learning area that teaches helpful calculation strategies in a simple, practical way. Inside the app, you can train core arithmetic skills like times tables, natural numbers, decimals, and money, while also exploring useful mental math tricks that help you calculate faster in everyday situations. The Learn section is designed to make mental math easier to understand and easier to remember. It includes clear strategy cards, simple examples, and quick checks that help you learn techniques for: - multiplication - division - addition and subtraction - square numbers and roots - percentages and fractions Instead of only repeating problems, you also learn how to think through them more efficiently. That means you can build speed, improve accuracy, and develop stronger number sense over time. Smart Mental Math adapts to your performance, adjusts challenge as you improve, and helps you stay focused on the areas that need the most work. Whether you want faster multiplication, sharper division, better percentage intuition, or stronger daily calculation speed, the app gives you short, high-impact sessions that fit into your day. What makes Smart Mental Math different: - Adaptive training that responds to your level - A dedicated Learn area with mental math tricks and strategy-based explanations - Quick checks and guided examples to reinforce what you learn - Smart progression based on speed and accuracy - Focused practice for weak spots and daily improvement - Clear progress tracking that makes growth visible Great for students, parents, ambitious learners, and anyone who wants to think faster with numbers. Train faster. Learn smarter. Make mental math smart.

Screenshots

Oslr4 screens
Smart Mental Math Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: Oslr at none against Smart Mental Math Trainer's 2. Smart Mental Math Trainer's advantage is update cadence (every 3 days vs every 5 weeks). On price, review sentiment, ads and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Smart Mental Math Trainer sells 2 one-off in-app purchases. Oslr asks for nothing beyond the download.

UpkeepUpdate frequency

Oslr ships an update every 5 weeks, Smart Mental Math Trainer every 3 days. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 8 level
Oslr versus Smart Mental Math Trainer: the parameters behind the verdict, then further details
ParameterOslrSmart Mental Math Trainer
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size20 MB32 MB
Age rating17+4+
DeveloperOslr LtdMaximilian Daniliev

Customer experience

Oslr

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Smart Mental Math Trainer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Oslr

No in-app purchases

2 purchases

Smart Mental Math Trainer

One-time2
  • 3-day TrialFree
  • Lifetime Unlock$3.99

Questions

Is Oslr free?
Oslr is free to download, with no in-app purchases.
Is Smart Mental Math Trainer free?
Smart Mental Math Trainer is free to download, with in-app purchases available.
Do Oslr or Smart Mental Math Trainer have ads?
Neither Oslr nor Smart Mental Math Trainer shows ads.
Which is updated more often, Oslr or Smart Mental Math Trainer?
Oslr ships an update every 5 weeks, and Smart Mental Math Trainer every 3 days. Most recently, Oslr was updated on October 16, 2026 and Smart Mental Math Trainer on October 21, 2026.

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