Comparison

Tutu Watermark vs NFC CellMonitor

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

Head to head
About

Tutu Watermark

Features
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The functions of adding watermarks to images are as follows: -Custom watermark text -Definition of watermark color -Custom Transparency of Watermark Text -Custom watermark text angle -Custom watermark spacing -Custom watermark line height

About

NFC CellMonitor

Features
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NFC CellMonitor is a professional yet easy-to-use app for reading and analyzing battery data from compatible NFC tags. With a quick scan, you can instantly view critical battery information in a clean and structured layout, helping you diagnose issues faster and keep maintenance records organized. Key data you can read: Battery percentage Total voltage and current Temperature Cycle count Usage months Series and parallel configuration Alarm status and alarm sequence Cell-level voltages Why users choose NFC CellMonitor: Fast NFC scanning workflow with clear results Reliable scan history for tracking battery behavior over time Grouped records by tag ID for easier management Quick comparison across historical scans Bilingual interface (English / Chinese) for international teams Advanced tools (Debug Mode): Raw NFC page decoding view Write-back support for compatible tags Use cases: Battery inspection and maintenance Workshop diagnostics Field service troubleshooting Prototype and lab validation Long-term battery performance tracking NFC CellMonitor is designed for technicians, engineers, makers, and advanced users who need a practical mobile tool for NFC-based battery data workflows. Important notes: Requires an NFC-capable iPhone. Data visibility depends on tag format and compatibility. Advanced actions are intended for experienced users in Debug Mode.

Screenshots

Tutu Watermark4 screens
NFC CellMonitor4 screens

Verdict

The call

The clearest difference is in-app purchases: NFC CellMonitor at none against Tutu Watermark's 1. NFC CellMonitor also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement 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. Tutu Watermark sells 1 one-off in-app purchase. NFC CellMonitor asks for nothing beyond the download.

UpkeepUpdate frequency

Tutu Watermark ships an update every 3 weeks, NFC CellMonitor daily. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

Scorecard2 real differences ¡ 4 level
Tutu Watermark versus NFC CellMonitor: the parameters behind the verdict, then further details
ParameterTutu WatermarkNFC CellMonitor
PriceFreeFree
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size30 MB19 MB
Age rating4+4+
Developer单 厉MTools Tec Co., Ltd

In-app purchases

1 purchases

Tutu Watermark

One-time1
  • Permanent card$3.99
None

NFC CellMonitor

No in-app purchases

Questions

Is Tutu Watermark free?
Tutu Watermark is free to download, with in-app purchases available.
Is NFC CellMonitor free?
NFC CellMonitor is free to download, with no in-app purchases.
Do Tutu Watermark or NFC CellMonitor have ads?
Neither Tutu Watermark nor NFC CellMonitor shows ads.
Which is updated more often, Tutu Watermark or NFC CellMonitor?
Tutu Watermark ships an update every 3 weeks, and NFC CellMonitor daily. Most recently, Tutu Watermark was updated on September 11, 2026 and NFC CellMonitor on September 20, 2026.

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