HakaruAR vs KFEI CSViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HakaruAR
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"HakaruAR" uses AR technology to measure multiple distances and measure the area, Everyone can easily "measure" iPhone application. Operation method is easy! It is possible to measure freely simply by tapping the screen. Also, connecting the dots can also measure the area of the surrounded area. caution： Since HakaruAR uses arkit, it supports only the following devices. iPhone 6s and 6s Plus iPhone 7 and 7 Plus iPhone SE iPad Pro (9.7, 10.5 or 12.9) iPad (2017)
KFEI CSViewer
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This application displays the results of Channel Sounding, which measures the distance between two Bluetooth devices. It also allows you to configure an offset for the displayed results.
Screenshots
Verdict
The clearest difference is update cadence: KFEI CSViewer at every 5 days against HakaruAR's fortnightly. HakaruAR's advantage is iOS requirement (13.0 vs 17.6). 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.
HakaruAR ships an update fortnightly, KFEI CSViewer every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | HakaruAR | KFEI CSViewer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 58 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | ideacloud inc. | KAGA FEI Co., Ltd. |
In-app purchases
HakaruAR
No in-app purchases
KFEI CSViewer
No in-app purchases
Questions
Is HakaruAR free?
Is KFEI CSViewer free?
Do HakaruAR or KFEI CSViewer have ads?
Which is updated more often, HakaruAR or KFEI CSViewer?
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