Comparison

Implen NanoPhotometer vs Mercury

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

Head to head

Implen NanoPhotometer

Fahrenheit, Celsius and Kelvin

Free

🔧 Utilities

★ 4.06 ratingsView app →

About

Implen NanoPhotometer

Features

Read full description

The Implen NanoPhotometer App turns your iPhone, iPod Touch or iPad device into a control screen and data saving device for the Implen NanoPhotometer line of spectrophotometer products including the C40, N50, N60 and NP80. Supports following models: 1. NanoPhotometer C40 2. NanoPhotometer N50 3. NanoPhotometer N60 4. NanoPhotometer NP80 https://www.youtube.com/watch?v=oFrfJf7fRX8&feature=youtu.be&spfreload=10 Version: NPOS 4.6 build 16350 (4.6.16350) http://www.implen.com

About

Mercury

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with an elegant and intuitive interface. Features dynamic background color changes based on temperature and supports decimal conversions.

Highlights

Celsius, Fahrenheit, Kelvin conversion
Interactive temperature scrolling
Dynamic background color
Reset to zero function
Decimal temperature support

Features

Read full description

Mercury is the best temperature converter for Celsius, Fahrenheit and Kelvin. Elegant and easy to use. • Convert Celsius, Fahrenheit and Kelvin. • Scroll with your finger to change the current temperature. • Watch as the background color changes while you go hotter or colder. • Reset to zero with a quick tap. • Support for decimal temperature conversion.

Screenshots

Implen NanoPhotometer4 screens

Mercury4 screens

Verdict

The call

The clearest difference is in-app purchases: Implen NanoPhotometer at none against Mercury's 5. Implen NanoPhotometer also leads on update cadence (every 3 months vs every 70 months) and iOS requirement (10.0 vs 26.0). On price, ads 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. Mercury sells 5 one-off in-app purchases. Implen NanoPhotometer asks for nothing beyond the download.

UpkeepUpdate frequency

Implen NanoPhotometer ships an update every 3 months, Mercury every 70 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level

Implen NanoPhotometer versus Mercury: the parameters behind the verdict, then further details
Parameter	Implen NanoPhotometer	Mercury
Price	Free	Free
Rating	—	4.0 (6 ratings) — better
Positive reviews	—	100.0% of reviews
Number of ratings	—	6 — better
Update frequency	Every 3 months — better	Every 70 months
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	10.0 — better	26.0
Further details — not scored
Size	54 MB	4 MB
Age rating	4+	4+
Developer	Implen Inc.	Samuel Herrera

In-app purchases

None

Implen NanoPhotometer

No in-app purchases

5 purchases

Mercury

One-time5

Small Tip$0.99
Remove Ads$1.99
Medium Tip$2.99

Show 2 more

Large Tip$4.99
Massive Tip$9.99

Questions

Is Implen NanoPhotometer free?

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

Is Mercury free?

Mercury is free to download, with in-app purchases available.

Do Implen NanoPhotometer or Mercury have ads?

Neither Implen NanoPhotometer nor Mercury shows ads.

Which is updated more often, Implen NanoPhotometer or Mercury?

Implen NanoPhotometer ships an update every 3 months, and Mercury every 70 months. Most recently, Implen NanoPhotometer was updated on October 9, 2026 and Mercury on October 24, 2026.