ZeroCounter vs Plottron
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZeroCounter
This app provides a minimalist interface for efficient counting tasks. It's ideal for inventory, scorekeeping, or habit tracking, offering powerful functionality with a sleek design.
- Minimalist interface
- Efficient counting
- Inventory tracking
- Score tallying
- Habit monitoring
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ZeroCounter is a sleek iOS app designed to simplify counting tasks with elegance and efficiency. Whether you're tracking inventory, tallying scores, or monitoring habits, ZeroCounter offers a minimalist interface coupled with powerful functionality.
Plottron
This application offers advanced 2D and 3D graphing capabilities for various function types, alongside a comprehensive scientific calculator. It supports implicit graphing, complex number visualization, and symbolic differentiation. The calculator includes user-defined variables, live evaluation, and probability density functions.
- 2D and 3D graphing
- Implicit graphing
- Complex number visualization
- Symbolic differentiation
- User-defined variables and functions
- Live evaluation
- Calculation history
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A graphing + scientific calculator. -2D and 3D graphing Graphs regular functions, parametric relations, and functions in polar/spherical coordinates. -Implicit graphing -Visualization of complex maps w=f(z) featuring domain coloring plots -For 2D functions: Info mode with tangent line and 2nd-order Taylor approximation Scientific calculator features: -User-defined variables and functions -Symbolic derivative (e.g.: D(x, sin(x)) -nCr, nPr, factorial -Complex numbers -Live evaluation (calculate as you type) -Calculation history -Probability density functions: Binomial, Normal (Gaussian) Examples: Implicit graph: cos(X)=sin(Y) Graph a parabola in Regular mode: X^2 Graph a circle in Parametric mode: cos(T);sin(T) Set a variable: X=5 Use a variable: X+4: 9 Define a function: f(X)=X+1 Use a defined function: f(2): 3 Symbolic derivative: D(X,sin(X)): cos(X) Complex magnitude plot in 3D Regular mode: abs(1/cos(X+Yi)) Notes: -Swipe left for settings. -Use semicolon (;) to separate functions in parametric relations. -Swipe down on keypad to show full history. Tap on answer to show keypad again.
Screenshots
Verdict
The clearest difference is rating: ZeroCounter at 5.0 against Plottron's 4.8. Plottron's advantage is ratings volume (12 vs 2) and device support (3 vs 1). On price, review sentiment, update cadence and ads 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.
ZeroCounter holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Plottron has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
ZeroCounter ships an update every 6 months, Plottron every 5 months. The most recent releases landed on June 1, 2026 and September 14, 2026 respectively.
| Parameter | ZeroCounter | Plottron |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.8 (12 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 12 — better |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Min-young Yoo | Billy Lin |
Customer experience
ZeroCounter
Plottron
In-app purchases
ZeroCounter
No in-app purchases
Plottron
No in-app purchases
