# Hey Learn vs Caliper

The clearest difference is update cadence: Caliper at every 2 days against Hey Learn's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hey Learn sells 1 one-off in-app purchase and Caliper sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Hey Learn ships an update every 13 months, Caliper every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hey Learn | Caliper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 days** |
| Size | 85 MB | 37 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [Concept of Proof B.V.](https://appshunter.io/developer/1818652911) |

## What reviewers say

### Hey Learn

[App page](https://appshunter.io/ios/app/hey-learn/id6751795807)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI SEO in 48 Hours | $69.00 | one-time |


### Caliper

[App page](https://appshunter.io/ios/app/caliper-vernier-trainer/id6816234993)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caliper Full Access | $2.99 | one-time |


## Frequently asked questions

### Is Hey Learn free?

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

### Is Caliper free?

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

### Do Hey Learn or Caliper have ads?

Neither Hey Learn nor Caliper shows ads.

### Which is updated more often, Hey Learn or Caliper?

Hey Learn ships an update every 13 months, and Caliper every 2 days. Most recently, Hey Learn was updated on October 30, 2026 and Caliper on October 31, 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.*