# Schrodinger's Box vs Parallel

The clearest difference is rating: Schrodinger's Box at 5.0 against Parallel's 4.5. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Schrodinger's Box sells 1 one-off in-app purchase and Parallel sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Schrodinger's Box holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Schrodinger's Box | Parallel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/schrodingers-box/id6757156999/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/parallel-history-timeline/id6772115245/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 5 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Justin Neuman](https://appshunter.io/developer/1859103444) | [Anatol Knotek](https://appshunter.io/developer/1895362751) |

## What reviewers say

### Schrodinger's Box

[App page](https://appshunter.io/ios/app/schrodingers-box/id6757156999)

Engage with daily philosophical dilemmas and thought experiments. Make irreversible choices within a time limit and explore various perspectives on your decisions. This app focuses on serious thinking rather than gamification.

**Highlights:** Daily paradoxes and ethical dilemmas, Timed decision-making, Irreversible choices, Philosophical perspective insights, Privacy-focused, on-device storage, Archive access with Pro version

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade – Lifetime Access | $4.99 | one-time |


### Parallel

[App page](https://appshunter.io/ios/app/parallel-history-timeline/id6772115245)

Explore historical connections by viewing multiple timelines simultaneously. Discover who lived at the same time as historical figures and events. Create custom collections or use curated ones to delve into specific eras and topics.

**Highlights:** View multiple historical timelines, Discover contemporaries at a glance, Access concise biographies with Wikipedia links, Create custom history collections, Offline functionality, Private and no tracking

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Painters & Sculptors XL | $1.99 | one-time |
| Buildings XL | $1.99 | one-time |
| Science & Technology XL | $1.99 | one-time |
| Parallel Pro | $3.99 | one-time |


## Frequently asked questions

### Is Schrodinger's Box free?

Schrodinger's Box is free to download, with in-app purchases available.

### Is Parallel free?

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

### Which has better reviews, Schrodinger's Box or Parallel?

Schrodinger's Box is rated higher. Schrodinger's Box averages 5.0 out of 5 from 5 ratings, while Parallel averages 4.5 from 2 ratings.

### Do Schrodinger's Box or Parallel have ads?

Neither Schrodinger's Box nor Parallel shows ads.

### Which is updated more often, Schrodinger's Box or Parallel?

Schrodinger's Box ships an update every 3 weeks, and Parallel every 3 weeks. Most recently, Schrodinger's Box was updated on October 24, 2026 and Parallel 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.*