Angle Gradient Inclinometer vs ZappID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Angle Gradient Inclinometer
Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.
- Measure tilt angles 0-359 degrees
- Display gradient percentage
- Show sum angles (180/360)
- Theodolite mode
- Set specified angle to zero
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Simple tilt angle protractor free application that can easily measure tilt simply by tilting the device. The angle of inclination measured from 0 degree to 359 degrees, converted gradient (%), angle at which sum is 180 degrees / 360 degrees are displayed at the same time. You can switch to the theodolite, the specified angle can be set to 0 degree. ( 45 Degrees = Gradient 100 % )
ZappID
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Create your ZappID and send push notfictions fast and very easy by accessing a url or send a api-request.
Screenshots
Verdict
The clearest difference is ads: ZappID at none against Angle Gradient Inclinometer's shown. ZappID also leads on update cadence (every 4 days vs every 8 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.
Angle Gradient Inclinometer ships an update every 8 months, ZappID every 4 days. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.
| Parameter | Angle Gradient Inclinometer | ZappID |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (295 ratings) — better | — |
| Positive reviews | 51.1% of reviews | — |
| Number of ratings | 295 — better | — |
| Update frequency | Every 8 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | Fredrik Petersson |
In-app purchases
Angle Gradient Inclinometer
No in-app purchases
ZappID
No in-app purchases
Questions
Is Angle Gradient Inclinometer free?
Is ZappID free?
Do Angle Gradient Inclinometer or ZappID have ads?
Which is updated more often, Angle Gradient Inclinometer or ZappID?
Other comparisons
