SAJ vs iBlueTool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SAJ
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Calibration App for SAJ-DMS draft survey. Can only be used by customers with SAJ-DMS system/license.
iBlueTool
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iBlueTool is the APP that get temperature data through Bluetooth connections. Using the APP and connecting to Bluetooth to obtain data, look directly at the temperature curve and data. Remote monitoring and measurement can be achieved automatically save data. Note, this APP needs to be connected to a dedicated Bluetooth thermometer used together.
Screenshots
Verdict
The clearest difference is update cadence: iBlueTool at fortnightly against SAJ's every 23 months. SAJ's advantage is iOS requirement (8.0 vs 12.0). 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.
SAJ ships an update every 23 months, iBlueTool fortnightly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | SAJ | iBlueTool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 23 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 152 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | SAJ Instrument Ab | Radiance Instruments Ltd |
In-app purchases
SAJ
No in-app purchases
iBlueTool
No in-app purchases
