# Induction vs Anesthesia Memo

The clearest difference is in-app purchases: Induction at none against Anesthesia Memo's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Anesthesia Memo sells 4 one-off in-app purchases. Induction asks for nothing beyond the download.

Induction ships an update every 5 days, Anesthesia Memo every 10 days. The most recent releases landed on October 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Induction | Anesthesia Memo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Size | 5 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MICHAEL ADAM URETZKY](https://appshunter.io/developer/1867666803) | [Taiki Yamagami](https://appshunter.io/developer/6792755770) |

## What reviewers say

### Induction

[App page](https://appshunter.io/ios/app/induction-anesthesia-guide/id6777882315)

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

**In-app purchases:** none


### Anesthesia Memo

[App page](https://appshunter.io/ios/app/anesthesia-memo/id6792755768)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Two Coffees | $3.99 | one-time |
| Anesthesia Memo Pro | $9.99 | one-time |
| Extra Thanks | $9.99 | one-time |


## Frequently asked questions

### Is Induction free?

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

### Is Anesthesia Memo free?

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

### Do Induction or Anesthesia Memo have ads?

Neither Induction nor Anesthesia Memo shows ads.

### Which is updated more often, Induction or Anesthesia Memo?

Induction ships an update every 5 days, and Anesthesia Memo every 10 days. Most recently, Induction was updated on October 7, 2026 and Anesthesia Memo on September 12, 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.*