# Achievity vs dapter

The clearest difference is iOS requirement: Achievity at 12.4 against dapter's 16.4. On price and in-app purchases there is nothing between them.

Both are free to download. Achievity sells 2 in-app purchases, starting at $3.99 per month and dapter sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Achievity | dapter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Size | 57 MB | 65 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [OLEG KLIMAKOV](https://appshunter.io/developer/1702248098) | [Anuar Shaidenov](https://appshunter.io/developer/6786665450) |

## What reviewers say

### Achievity

[App page](https://appshunter.io/ios/app/achievity/id6461012769)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month | $3.99 | per month |
| One year subscription | $14.99 | per year |


### dapter

[App page](https://appshunter.io/ios/app/dapter-notes-that-do-math/id6786665448)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dapter Plus Monthly | $3.99 | per month |
| Dapter Plus Yearly | $19.99 | per year |
| Dapter Plus Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Achievity free?

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

### Is dapter free?

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

---

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