ProGraph Calculator vs BellSensing Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ProGraph Calculator
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Graph equations and points, as well as analyze them.
BellSensing Plus
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Diagnostic Bellsensing smart traps found issues and changed configurations.
Screenshots
Verdict
The clearest difference is update cadence: BellSensing Plus at every 4 weeks against ProGraph Calculator's every 3 months. On price, ads, in-app purchases and device support 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, BellSensing Plus every 4 weeks. The most recent releases landed on September 17, 2026 and September 7, 2026 respectively.
| Parameter | ProGraph Calculator | BellSensing Plus |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Pingleton | SmartWave Technologies Corporation |
In-app purchases
ProGraph Calculator
No in-app purchases
BellSensing Plus
No in-app purchases
Questions
Is ProGraph Calculator free?
Is BellSensing Plus free?
Do ProGraph Calculator or BellSensing Plus have ads?
Which is updated more often, ProGraph Calculator or BellSensing Plus?
Other comparisons
