# Now and Next vs DrPhos' Stoichiometry

The clearest difference is in-app purchases: Now and Next at none against DrPhos' Stoichiometry's 11. Now and Next also leads on iOS requirement (15.6 vs 17.2). DrPhos' Stoichiometry's advantage is price ($0.99 vs $6.99) and update cadence (every 3 weeks vs every 2 months). On ads, monetization model and device support there is nothing between them.

Now and Next costs $6.99 and DrPhos' Stoichiometry $0.99 up front. DrPhos' Stoichiometry sells 11 one-off in-app purchases. Now and Next asks for nothing beyond the download.

Now and Next ships an update every 2 months, DrPhos' Stoichiometry every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Now and Next | DrPhos' Stoichiometry |
| --- | --- | --- |
| Price | $6.99 | **$0.99** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/drphos-stoichiometry/id6475633178/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 25 MB | 15 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Stanley](https://appshunter.io/developer/1041000015) | [Monte L Helm](https://appshunter.io/developer/1715082616) |

## What reviewers say

### Now and Next

[App page](https://appshunter.io/ios/app/now-and-next-visual-schedule/id1438617754)

This app provides a visual communication tool to articulate current and upcoming activities. It helps build cognitive skills and encourages speech and language development through engaging visuals and custom activity creation.

**Highlights:** Visual activity sequencing, Custom activity creation with own images, Over 60 pre-loaded activities, Timeline feature with automatic card progression, Optional sound notifications for activity changes, Supports early years and special education needs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DrPhos' Stoichiometry

[App page](https://appshunter.io/ios/app/drphos-stoichiometry/id6475633178)

This tool simplifies solving chemical reaction problems by allowing users to input balanced equations and identify known and unknown compounds. It instantly calculates moles and mass, assisting students with various stoichiometry challenges.

**Highlights:** Mole, mass, and volume conversions, Balanced chemical equation support, Compound selection, Limiting reactant detection, High school and college chemistry focus

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Significant Figures Counter | $0.99 | one-time |
| Science Calculator | $0.99 | one-time |
| Quadratic Equation Solver | $0.99 | one-time |
| Kinetics | $0.99 | one-time |
| Molar Mass Calculator | $0.99 | one-time |
| General Chemistry Naming | $0.99 | one-time |
| Ionic Compound Builder | $0.99 | one-time |
| Solution Concentrations | $0.99 | one-time |
| Reaction Balancer | $0.99 | one-time |
| pH Calculator | $0.99 | one-time |
| Stoichiometry | $0.99 | one-time |


## Frequently asked questions

### Is Now and Next free?

Now and Next costs $6.99, with no in-app purchases.

### Is DrPhos' Stoichiometry free?

DrPhos' Stoichiometry costs $0.99, and also offers in-app purchases.

### Do Now and Next or DrPhos' Stoichiometry have ads?

Neither Now and Next nor DrPhos' Stoichiometry shows ads.

### Which is updated more often, Now and Next or DrPhos' Stoichiometry?

Now and Next ships an update every 2 months, and DrPhos' Stoichiometry every 3 weeks. Most recently, Now and Next was updated on October 24, 2026 and DrPhos' Stoichiometry on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*