# TMSnat PREP vs IBMath IBDP

The clearest difference is update cadence: IBMath IBDP at every 9 days against TMSnat PREP's every 6 weeks. IBMath IBDP also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TMSnat PREP sells 1 in-app purchase, starting at $8.99 per month and IBMath IBDP sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

TMSnat PREP ships an update every 6 weeks, IBMath IBDP every 9 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TMSnat PREP | IBMath IBDP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Size | 26 MB | 120 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Eduardo Huke](https://appshunter.io/developer/1860414223) | [Truong Pham Quang](https://appshunter.io/developer/1632053016) |

## What reviewers say

### TMSnat PREP

[App page](https://appshunter.io/ios/app/tmsnat-prep/id6761080320)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TMSnat Pro Monthly | $8.99 | per month |


### IBMath IBDP

[App page](https://appshunter.io/ios/app/ibmath-ibdp-exam-practice/id6806913261)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $6.99 | per 7 days |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is TMSnat PREP free?

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

### Is IBMath IBDP free?

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

### Do TMSnat PREP or IBMath IBDP have ads?

Neither TMSnat PREP nor IBMath IBDP shows ads.

### Which is updated more often, TMSnat PREP or IBMath IBDP?

TMSnat PREP ships an update every 6 weeks, and IBMath IBDP every 9 days. Most recently, TMSnat PREP was updated on October 14, 2026 and IBMath IBDP on October 8, 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.*