MoleculeSketch iP vs TeacherTool 7 Flex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MoleculeSketch iP
Create and edit chemical formulas and reactions with an intuitive drawing interface. This app allows for precise placement of atoms and bonds, with advanced features for displaying hydrogen atoms, electron pairs, and reaction arrows. Unlock the full potential with an in-app purchase for advanced functionalities.
- Add atoms and bonds with position locking
- Choose different bond types
- Show missing hydrogen atoms
- Add reaction arrows and text fields
- Calculate average mass and formula
- Import from mol/sdf files
- Use gestures for zooming and rotation
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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)
TeacherTool 7 Flex
Configure your grading and student tracking tool with flexible modules. Manage courses, students, and grades with professional features. Enhance functionality with optional purchases for attendance, timetables, and more.
- Create unlimited courses and manage students
- Professional grading features
- Track student educational performance
- Optional modules for advanced features
- Supports various grading systems
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With TeacherTool 7 Flex, you get all the flexibility to configure "your" TeacherTool 7 to exactly fit your needs. Even with the basic module, you get all the features that are required for professional grading: you can create any number of courses, managing any number of students and get the complete grading features that make TeacherTool6 the best mobile grading software on the market (e.g. all national and international grading systems, recursive categories, weighting of individual grades, decimal and tendency grade input, remarks with reminders, etc.). If you need an App that will help you tracking your student's educational performance and will make suggestions for a final score, even the basic module of TeacherTool 7 Flex will fit your needs perfectly. Need more features? No problem: Just purchase the following modules at an affordable price: - Absence Management - Timetable with Annual Schedule - Checklists - Register - Data export - Net Services - Interactive Seating Plan - Printing and Reports - Examination Grade Types (Note: The screenshots on this page show a TeacherTool 7 Flex with all modules enabled) Each of these Modules exactly matches the functionality of the corresponding Modules of the full version, TeacherTool 7.
Screenshots
Verdict
The clearest difference is price: MoleculeSketch iP at Free against TeacherTool 7 Flex's $5.99. MoleculeSketch iP also leads on review sentiment (50% vs 8%). TeacherTool 7 Flex's advantage is update cadence (fortnightly vs every 2 months). On ads, in-app purchases, monetization model 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
MoleculeSketch iP is free to download; TeacherTool 7 Flex costs $5.99 up front. MoleculeSketch iP sells 1 one-off in-app purchase and TeacherTool 7 Flex sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
MoleculeSketch iP ships an update every 2 months, TeacherTool 7 Flex fortnightly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | MoleculeSketch iP | TeacherTool 7 Flex |
|---|---|---|
| Price | Free — better | $5.99 |
| Rating | 4.5 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews — better | 8.3% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 61 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Stefan Dolder | Udo Hilwerling |
Customer experience
MoleculeSketch iP
TeacherTool 7 Flex
In-app purchases
MoleculeSketch iP
- Full version$1.99
TeacherTool 7 Flex
- Networking$1.99
- Checklists$2.99
- Register$2.99
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- Export$2.99
- Printing$2.99
- Timetable$3.99
- Absence management$3.99
- Seating plan$3.99
- Types of grades for exams$3.99
Questions
Is MoleculeSketch iP free?
Is TeacherTool 7 Flex free?
Do MoleculeSketch iP or TeacherTool 7 Flex have ads?
Which is updated more often, MoleculeSketch iP or TeacherTool 7 Flex?
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