OTKAX vs SAFEIER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTKAX
This app connects to your device via Bluetooth to control and test equipment. It also includes a feature to remind users to stay hydrated throughout the day.
- Bluetooth device connection
- Equipment control
- Equipment testing
- Water intake reminders
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Connect the device via Bluetooth; Control and test the equipment of the brand; Remind users to drink water.
SAFEIER
Control company-manufactured Bluetooth Low Energy devices using advanced BLE5.0 technology. This app enables seamless interaction with your compatible hardware.
- BLE5.0 transmission technology
- Control company-manufactured devices
- Seamless hardware interaction
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This is an application that facilitates the control of various Bluetooth Low Energy (BLE) devices, manufactured by our company, via the advanced BLE5.0 transmission technology.
Screenshots
Verdict
The clearest difference is review sentiment: OTKAX at 50% against SAFEIER's 27%. OTKAX also leads on rating (2.3 vs 2.1). SAFEIER's advantage is ratings volume (26 vs 3). On price, update cadence, ads and in-app purchases 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.
OTKAX holds the better App Store score, 2.3 against 2.1. That said, the two scores are not equally well evidenced: SAFEIER has 26 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of OTKAX's written reviews are positive against 27% of SAFEIER's.
OTKAX ships an update every 3 weeks, SAFEIER every 2 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.
| Parameter | OTKAX | SAFEIER |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | 2.1 (26 ratings) |
| Positive reviews | 50.0% of reviews — better | 26.7% of reviews |
| Number of ratings | 3 | 26 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 20 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | 水金 陈 | ShenZhen luona technology Co. LTD |
Customer experience
OTKAX
SAFEIER
In-app purchases
OTKAX
No in-app purchases
SAFEIER
No in-app purchases
