# Pansophia vs Teachback AI

The clearest difference is update cadence: Pansophia at every 4 days against Teachback AI's every 4 months. Pansophia also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Pansophia sells 10 one-off in-app purchases and Teachback AI sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Pansophia ships an update every 4 days, Teachback AI every 4 months. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Pansophia | Teachback AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pansophia-science-reference/id6760565801/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 months |
| Monetization | Free | — |
| Size | 29 MB | 35 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Bonsai Horizons, LLC](https://appshunter.io/developer/1885017794) | [Mahmoud Barazi](https://appshunter.io/developer/1886927977) |

## What reviewers say

### Pansophia

[App page](https://appshunter.io/ios/app/pansophia-science-reference/id6760565801)

Access a vast collection of STEM reference data, including species, chemical compounds, engineering components, and more, all in one place. Features include a scientific calculator, unit converter, and quiz tools. Explore 18 disciplines with extensive cross-references.

**Highlights:** 3,000+ biological species data, 1,200+ chemical compounds reference, Extensive engineering component data, Scientific calculator and unit converter, Quiz and flashcard tools with spaced repetition, Cross-discipline concept linking

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Biomedical Engineering | $0.99 | one-time |
| Unlock Astronomy | $0.99 | one-time |
| Unlock Civil Engineering | $0.99 | one-time |
| Unlock Materials Science | $0.99 | one-time |
| Unlock Artificial Intelligence | $0.99 | one-time |
| Unlock Statistics | $0.99 | one-time |
| Unlock Pharmacology | $0.99 | one-time |
| Unlock Earth Science | $0.99 | one-time |
| Unlock Nuclear Engineering | $0.99 | one-time |
| Unlock All Disciplines | $9.99 | one-time |


### Teachback AI

[App page](https://appshunter.io/ios/app/teachback-ai/id6760937065)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Teachback AI Pro | $7.99 | per 7 days |
| Teachback AI Pro | $9.99 | per month |
| Teachback AI Pro | $59.99 | per year |


## Frequently asked questions

### Is Pansophia free?

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

### Is Teachback AI free?

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

### Do Pansophia or Teachback AI have ads?

Neither Pansophia nor Teachback AI shows ads.

### Which is updated more often, Pansophia or Teachback AI?

Pansophia ships an update every 4 days, and Teachback AI every 4 months. Most recently, Pansophia was updated on October 17, 2026 and Teachback AI on October 18, 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.*