TechDraw vs R Analyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TechDraw
This drawing application offers built-in geometric shapes, a text editor, and an equation editor. It supports data transfer for collaboration and backup, and allows sharing on social media. A comprehensive user manual is included within the app.
- Geometric shapes library
- Text and equation editor
- Data transfer for collaboration
- Social media sharing
- Included user manual
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TechDraw is a full-featured drawing application combining built-in geometric shapes with a text and equation editor. Drawing data can be transferred for collaborative work and backup, and drawings can be shared on the popular social media outlets. A full user manual is included in the app.
R Analyst
This app provides a powerful R language engine for executing code directly on your device without needing a backend server. It includes a code editor with helpful features like keyword auto-completion and syntax highlighting, along with a comprehensive set of built-in packages.
- On-device R language execution
- Code editor with auto-complete
- Syntax highlighting
- Includes 30+ built-in R packages
- Help command for documentation
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R Analyst is a R language engine that can execute R code in devices directly(do not require to connect to a backend server), the buildin pacakges:utils,methods,graphics,grDevices,stats,grid,lattice,nlme,MASS,rpart,splines,cluster,foreign,parallel,spatial,survival,boot,stats4,KernSmooth,nnet,tools,class,zoo,lmtest,gridExtra,tseries,quadprog,mvtnorm,multcomp,Hmisc,rms,psych,GPArotation,gof,Matrix,arules. Include a code editor for R language, can type help command to show help document, keyword auto-complete/highlight limitation: cannot install package.
Screenshots
Verdict
TechDraw and R Analyst both sit at 3.0 stars, but that hides the real split: 36% of R Analyst's written reviews are positive against 0% of TechDraw's. R Analyst also leads on price ($4.99 vs $7.99) and ratings volume (11 vs 2). On rating, update cadence, ads and in-app purchases 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
TechDraw costs $7.99 and R Analyst $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.0 for TechDraw against 3.0 for R Analyst. That said, the two scores are not equally well evidenced: R Analyst has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 0% of TechDraw's written reviews are positive against 36% of R Analyst's.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on August 14, 2026 and July 7, 2026 respectively.
| Parameter | TechDraw | R Analyst |
|---|---|---|
| Price | $7.99 | $4.99 — better |
| Rating | 3.0 (2 ratings) | 3.0 (11 ratings) |
| Positive reviews | 0.0% of reviews | 35.7% of reviews — better |
| Number of ratings | 2 | 11 — better |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.4 — better |
| Further details — not scored | ||
| Size | 2 MB | 1.0 GB |
| Age rating | 12+ | 4+ |
| Developer | Kelly Technology Inc. | 友辉 严 |
Customer experience
TechDraw
R Analyst
In-app purchases
TechDraw
No in-app purchases
R Analyst
No in-app purchases
