# IPAC26 vs TeachBook

The clearest difference is in-app purchases: IPAC26 at none against TeachBook's 2. IPAC26 also leads on iOS requirement (13.0 vs 26.0). TeachBook's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. TeachBook sells 2 in-app purchases, starting at $0.99 per month. IPAC26 asks for nothing beyond the download.

IPAC26 ships an update every 2 weeks, TeachBook every 5 days. The most recent releases landed on October 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IPAC26 | TeachBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 20 MB | 82 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Poznan Supercomputing and Networking Center](https://appshunter.io/developer/726093818) | [KEVIN BLAYASSI](https://appshunter.io/developer/1887095351) |

## What reviewers say

### IPAC26

[App page](https://appshunter.io/ios/app/ipac26/id6764005017)

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

**In-app purchases:** none


### TeachBook

[App page](https://appshunter.io/ios/app/teachbook-teacher-gradebook/id6785545899)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TeachBook - Monthly | $0.99 | per month |
| TeachBook - Yearly | $9.99 | per year |


## Frequently asked questions

### Is IPAC26 free?

IPAC26 is free to download, with no in-app purchases.

### Is TeachBook free?

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

### Do IPAC26 or TeachBook have ads?

Neither IPAC26 nor TeachBook shows ads.

### Which is updated more often, IPAC26 or TeachBook?

IPAC26 ships an update every 2 weeks, and TeachBook every 5 days. Most recently, IPAC26 was updated on October 5, 2026 and TeachBook on October 28, 2026.

---

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