Senseen Pencil vs Zenspec
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Senseen Pencil
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The Senseen Pencil application coupled with the Pencil scanner allows to measure at low cost, the key measurements that can help you progress to more sustainable farming.
Zenspec
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ZenSpec uses spectral black technology to help you select and identify The quality and safety of daily necessities for your personal and family life
Screenshots
Verdict
The clearest difference is update cadence: Senseen Pencil at fortnightly against Zenspec's monthly. Zenspec's advantage is iOS requirement (11.0 vs 15.1). 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.
Senseen Pencil ships an update fortnightly, Zenspec monthly. The most recent releases landed on October 30, 2026 and November 7, 2026 respectively.
| Parameter | Senseen Pencil | Zenspec |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 154 MB |
| Age rating | 4+ | 4+ |
| Developer | Senseen | VISPEK |
In-app purchases
Senseen Pencil
No in-app purchases
Zenspec
No in-app purchases
Questions
Is Senseen Pencil free?
Is Zenspec free?
Do Senseen Pencil or Zenspec have ads?
Which is updated more often, Senseen Pencil or Zenspec?
Other comparisons
