Comparison

MoleculeSketch iP vs CloudLabs pH

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

Head to head
About

MoleculeSketch iP

Easily draw chemical formulas and reactions with this intuitive application. It offers features like adding atoms, bonds, and functional groups, with advanced options available through an in-app purchase. Share your creations or import existing structures.

Highlights
  • Draw atoms and bonds
  • Select various bond types
  • Add functional groups
  • Show missing hydrogen atoms
  • Calculate molecular mass
  • Import mol/sdf files
  • Copy, paste, and cut drawings
Read full description

MoleculeSketch is a simple and easy to use drawing App for chemical formulas and reactions. MoleculeSketch iOS is the standalone version of MoleculeSketch for iPad. The free version offers basic functionality. The full version can be unlocked with an in-app purchase. It has following features: + add atoms and bonds nicely by position locking (can be disabled) + choose different bond types (double, stereochemical, delocalised, etc.) + add bonds with higher hapticity + type functional groups by double-clicking on symbol + show missing hydrogen atoms depending on free valences + "grow" and remove hydrogen atoms (*) + show non bonding electron pairs on heteroatoms + add reaction arrows and text fields + access drawing attributes from popover panels + calculate average mass and formula of molecules (*) + group and arrange objects (*) + change background color of drawing area and add a grid + copy/paste/cut molecules and drawings + paste drawings into other applications + import from mol/sdf files (*) + use gestures for zooming and rotation + import structures from mol- or sdf-files (*) (*) some of these features and others are only available when using the full version (inApp purchase)

About

CloudLabs pH

Features
Read full description

This simulator recreates a laboratory with an Erlenmeyer flask, a burette, a stirring plate and a pH meter. The objective of this practice is to titrate an acid by potentiometric method and characterize it.

Screenshots

CloudLabs pH1 screens

Verdict

The call

The clearest difference is in-app purchases: CloudLabs pH at none against MoleculeSketch iP's 1. CloudLabs pH also leads on device support (3 vs 1) and iOS requirement (9.0 vs 13). MoleculeSketch iP's advantage is update cadence (every 2 months vs every 29 months). On price and ads 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. MoleculeSketch iP sells 1 one-off in-app purchase. CloudLabs pH asks for nothing beyond the download.

UpkeepUpdate frequency

MoleculeSketch iP ships an update every 2 months, CloudLabs pH every 29 months. The most recent releases landed on June 1, 2026 and December 6, 2025 respectively.

Scorecard4 real differences · 6 level
MoleculeSketch iP versus CloudLabs pH: the parameters behind the verdict, then further details
ParameterMoleculeSketch iPCloudLabs pH
PriceFreeFree
Rating4.5 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 months — betterEvery 29 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS139.0 — better
Further details — not scored
Size59 MB87 MB
Age rating4+4+
DeveloperStefan DolderJiovany Orozco

In-app purchases

1 purchases

MoleculeSketch iP

One-time1
  • Full version$1.99
None

CloudLabs pH

No in-app purchases

Questions

Is MoleculeSketch iP free?
MoleculeSketch iP is free to download, with in-app purchases available.
Is CloudLabs pH free?
CloudLabs pH is free to download, with no in-app purchases.
Do MoleculeSketch iP or CloudLabs pH have ads?
Neither MoleculeSketch iP nor CloudLabs pH shows ads.
Which is updated more often, MoleculeSketch iP or CloudLabs pH?
MoleculeSketch iP ships an update every 2 months, and CloudLabs pH every 29 months. Most recently, MoleculeSketch iP was updated on June 1, 2026 and CloudLabs pH on December 6, 2025.

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