Protractor Edge vs SkIfaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protractor Edge
This utility app functions as a precise digital protractor for measuring angles on your device. It offers a smart instrument for accurate angle measurement, supporting iPhone and iPad. The app is free to download and use.
- Precise angle measurement
- Smart instrument
- Digital protractor
- Supports iPhone and iPad
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Protractor - smart instrument to measure angles. Support: https://k1er.github.io/
SkIfaster
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SkIfaster是专业的新能源汽车充电服务平台，覆盖30万+充电桩。实时查看空闲桩、价格对比、导航到站，支持即插即充和优惠支付，让充电比加油更方便！核心功能智能找桩地图实时显示附近充电站，筛选快充/慢充、价格、运营商 内置导航预估到达时间，显示排队情况 省钱充电比价功能：同一站点多运营商价格对比 低谷期预约充电，电费低至0.3元/度 快捷支付：一键付款，享额外折扣 会员权益新用户注册即送充电券 VIP会员享充电服务费5折、专属客服 充电进度实时推送，充满自动提醒用户场景长途出行：高速服务区充电桩实时监控 日常通勤：预约小区周边低谷电价时段 商务用车：企业账户多车统一管理安全承诺数据加密传输，严格遵循GDPR隐私政策，绝不共享用户位置信息。
Screenshots
Verdict
The clearest difference is in-app purchases: SkIfaster at none against Protractor Edge's 2. SkIfaster also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price, 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. Protractor Edge sells 2 one-off in-app purchases. SkIfaster asks for nothing beyond the download.
Protractor Edge ships an update every 6 weeks, SkIfaster every 3 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.
| Parameter | Protractor Edge | SkIfaster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 17 MB | 34 MB |
| Age rating | +4 | 9+ |
| Developer | 向阳 杨 | Zhejiang Power Import&Export Co,.Ltd |
In-app purchases
Protractor Edge
- Support for a cup of coffee$1.99
- Ads-free experience$1.99
SkIfaster
No in-app purchases
Questions
Is Protractor Edge free?
Is SkIfaster free?
Do Protractor Edge or SkIfaster have ads?
Which is updated more often, Protractor Edge or SkIfaster?
Other comparisons
