Vidyagram vs Christopher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vidyagram
Visualize mathematical concepts in 3D using augmented reality. This interactive app makes learning shapes, graphs, and formulas more engaging for students. Explore complex ideas through immersive visualizations.
- Augmented Reality visualization
- 3D concept models
- Interactive learning
- Maths education
- Shapes and graphs visualization
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AR Maths is a simple and interactive learning app that helps you understand mathematics using Augmented Reality. It allows you to visualize concepts like shapes, graphs, and formulas in 3D, making learning easier and more engaging for students.
Christopher
This platform offers online learning for competitive exam preparation, guided by an experienced educator. It aims to provide comprehensive educational resources for students seeking government sector placements.
- Online learning platform
- Competitive exam preparation
- Expert guidance
- Government sector placement focus
- Mobile learning
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CHRISTOPHER’S is India’s best online learning platform that brings education to you whether you are at home and on the go. This is mainly a preparatory app designed to cater to all the educational needs of students preparing for competitive exams. Under the guidance of Christopher Phoenix who as an author, a motivator and a teacher of English has already mentored lacs of students successfully to achieve their goal and get placed on high positions in the Government sector, this learning app promises the best education and guarantees success.
Screenshots
Verdict
The clearest difference is review sentiment: Christopher at 100% against Vidyagram's 75%. Vidyagram's advantage is update cadence (monthly vs every 4 months). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Vidyagram ships an update monthly, Christopher every 4 months. The most recent releases landed on September 25, 2026 and July 8, 2026 respectively.
| Parameter | Vidyagram | Christopher |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | — |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | — |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 117 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | Udit Ranjan | Anuj Gupta |
Customer experience
Vidyagram
Christopher
In-app purchases
Vidyagram
No in-app purchases
Christopher
No in-app purchases
