Comparison

Level Devil vs Tumblewid

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

Head to head

★ 1.01 ratingsView app →

About

Level Devil

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The Official Tank Monitoring app from Electronic Sensors Inc. Monitor your tanks levels from anywhere on your phone.

About

Tumblewid

Automate your lawn's watering schedule with this smart controller. Manage your sprinklers remotely from your mobile device to conserve water and reduce costs.

Highlights

Automatic watering schedule creation
Remote mobile control
Water conservation
Cost savings
Anytime, anywhere operation

Features

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The Tumblewid Smart Sprinkler Controller can automatically create a watering schedule for you, and you can easily operate it with your mobile phone anytime, anywhere, saving you water and money

Screenshots

Level Devil4 screens

Tumblewid3 screens

Verdict

The call

The clearest difference is update cadence: Tumblewid at monthly against Level Devil's every 4 months. Level Devil's advantage is iOS requirement (8.0 vs 13.0). 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

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

Level Devil ships an update every 4 months, Tumblewid monthly. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

Scorecard2 real differences · 7 level

Level Devil versus Tumblewid: the parameters behind the verdict, then further details
Parameter	Level Devil	Tumblewid
Price	Free	Free
Rating	—	1.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 4 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	8.0 — better	13.0
Further details — not scored
Size	56 MB	17 MB
Age rating	4+	4+
Developer	SensorTech, LLC	Hangzhou Dashi Wisdom Technology Co., Ltd.

In-app purchases

None

Level Devil

No in-app purchases

None

Tumblewid

No in-app purchases

Questions

Is Level Devil free?

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

Is Tumblewid free?

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

Do Level Devil or Tumblewid have ads?

Neither Level Devil nor Tumblewid shows ads.

Which is updated more often, Level Devil or Tumblewid?

Level Devil ships an update every 4 months, and Tumblewid monthly. Most recently, Level Devil was updated on September 10, 2026 and Tumblewid on June 1, 2026.