Comparison

AllSensor vs TBD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

SENSOR-allsun

About

AllSensor

Features

Read full description

Application features: - Multiple Bluetooth sensors, such as illumination, temperature and humidity, noise, etc., can be automatically connected at the same time - Includes maximum minimum display mode - Includes line chart view - Includes view of the data table - Data can be exported in a variety of formats Preconditions for using: - Use the AllSun Bluetooth Sensor Series (EM2221, EM2224, EM2226, EM2228, EM2310, EM2311, EM2312) - IOS 8.3 or an updated version is required to support Bluetooth 4.0 and above devices

About

TBD

Features

Read full description

TBD-flowmeter is a companion software that monitors your daily water equipment, giving you a clear picture of your water usage; and a smarter way to track and reduce water usage based on your water bill

Screenshots

AllSensor3 screens

TBD3 screens

Verdict

The call

The clearest difference is update cadence: TBD at every 5 weeks against AllSensor's every 3 months. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AllSensor ships an update every 3 months, TBD every 5 weeks. The most recent releases landed on September 19, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 5 level

AllSensor versus TBD: the parameters behind the verdict, then further details
Parameter	AllSensor	TBD
Price	Free	Free
Update frequency	Every 3 months	Every 5 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	60 MB	19 MB
Age rating	4+	4+
Developer	ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.	Hangzhou Dashi Wisdom Technology Co., Ltd.

In-app purchases

None

AllSensor

No in-app purchases

None

TBD

No in-app purchases

Questions

Is AllSensor free?

AllSensor is free to download, with no in-app purchases.

Is TBD free?

TBD is free to download, with no in-app purchases.

Do AllSensor or TBD have ads?

Neither AllSensor nor TBD shows ads.

Which is updated more often, AllSensor or TBD?

AllSensor ships an update every 3 months, and TBD every 5 weeks. Most recently, AllSensor was updated on September 19, 2026 and TBD on October 8, 2026.