ProGraph Calculator vs Quad Map
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProGraph Calculator
Read full descriptionHide full description
Graph equations and points, as well as analyze them.
Quad Map
Read full descriptionHide full description
Displays 4 maps with different locations, scales, etc.
Screenshots
Verdict
The clearest difference is ads: ProGraph Calculator at none against Quad Map's shown. Quad Map's advantage is update cadence (every 2 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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.
ProGraph Calculator ships an update every 3 months, Quad Map every 2 weeks. Both last shipped on October 5, 2026.
| Parameter | ProGraph Calculator | Quad Map |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.8.3 — better |
| Further details — not scored | ||
| Size | 1 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Pingleton | Hideaki Uchikoshi |
In-app purchases
ProGraph Calculator
No in-app purchases
Quad Map
No in-app purchases
Questions
Is ProGraph Calculator free?
Is Quad Map free?
Do ProGraph Calculator or Quad Map have ads?
Which is updated more often, ProGraph Calculator or Quad Map?
Other comparisons
