Protractor+ vs Just Scale kitchen scale
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protractor+
Transform your device into a versatile angle measurement tool. Easily measure angles in both degrees and radians with an intuitive interface. Ideal for quick and precise angle readings.
- Angle measurement
- Degrees and radians
- Intuitive visual control
- Elegant design
- Pocket protractor functionality
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Protractor helps you to measure angles quickly and easily. This app turn your iPhone into a handy pocket protractor that can measure angles in both degrees and radians. Features: - Elegant design - Measure in degrees and radians - Intuitive visual control
Just Scale kitchen scale
Transform your smartphone into an expanded display for your smart kitchen scale. Effortlessly convert between numerous weighing units like kg, oz, lb, and ml, and even convert weight to length for yarn measurement. Supports Siri Shortcuts for convenient control.
- Smartphone as scale display
- Unit conversions (kg, oz, lb, ml, cups)
- Weight to length conversion
- Yarn scale functionality
- Siri Shortcuts integration
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Get a Smart Food Scale for only USD$14.95 including shipping. Enhance your scale experience with Just Scale app! Utilize your smartphone as an expansive display for your scale and effortlessly perform unit conversions. Navigate through various weighing units including kg, oz, lb, fl oz, ml (water), ml (milk), cup (flour), and cup (honey) with a simple tap of the button. Beyond standard digital food scales, Smart Chef app provides access to an extensive range of measuring units. Additionally, Just Scale offers conversion of weight values to length, functioning as a Yarn Scale. Have a specific unit in mind? Reach out to us via web chat on the Smart Chef website or within the app. Upgrade your scale experience today! This app support Siri Shortcuts. The following 3 commands can be setup in the Apple Shortcuts app: - Start Just Scale - Current Just Scale Reading - Set Just Scale to Zero
Screenshots
Verdict
The clearest difference is rating: Protractor+ at 4.1 against Just Scale kitchen scale's 1.8. Protractor+ also leads on ratings volume (10K vs 70). Just Scale kitchen scale's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs every 2 months). On price, review sentiment, ads 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. Protractor+ sells 1 one-off in-app purchase. Just Scale kitchen scale asks for nothing beyond the download.
Protractor+ holds the better App Store score, 4.1 against 1.8. That said, the two scores are not equally well evidenced: Protractor+ has 10K ratings behind it against 70, so its average is the more settled of the two. Written reviews point the same way: 15% of Protractor+'s written reviews are positive against 7% of Just Scale kitchen scale's.
Protractor+ ships an update every 2 months, Just Scale kitchen scale every 3 days. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.
| Parameter | Protractor+ | Just Scale kitchen scale |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (10K ratings) — better | 1.8 (70 ratings) |
| Positive reviews | 14.9% of reviews — better | 7.1% of reviews |
| Number of ratings | 10K — better | 70 |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Tue Nguyen Minh | ReFleX Wireless Inc. |
Customer experience
Protractor+
Just Scale kitchen scale
Bugs and requests
Protractor+
Reported bugs
3 issues- Camera feature not working as expected
- Angle measurements not accurate
- Frequent app crashes
Requested features
3 requests- Ability to measure in degrees without upgrade
- Improved accuracy and responsiveness
- Removal of timeouts and paywalls
Just Scale kitchen scale
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Protractor+
- Pro Features$1.99
Just Scale kitchen scale
No in-app purchases
Questions
Is Protractor+ free?
Is Just Scale kitchen scale free?
Which has better reviews, Protractor+ or Just Scale kitchen scale?
Do Protractor+ or Just Scale kitchen scale have ads?
Which is updated more often, Protractor+ or Just Scale kitchen scale?
Other comparisons
