# K vs TTRechner

The clearest difference is in-app purchases: K at none against TTRechner's 1. K also leads on ads (none vs shown) and iOS requirement (15.1 vs 26.1). TTRechner's advantage is update cadence (every 3 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. TTRechner sells 1 one-off in-app purchase. K asks for nothing beyond the download.

K ships an update every 5 months, TTRechner every 3 weeks. The most recent releases landed on September 17, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | K | TTRechner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-academy/id6445893564/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 30 MB |
| Requires iOS | **15.1** | 26.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hakan Öneykan](https://appshunter.io/developer/1674570586) | [Mike Ubachs](https://appshunter.io/developer/1689298220) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-academy/id6445893564)

This app is a digital bonus program where users earn points for various activities. Points can be redeemed for vouchers and rewards, offering exclusive benefits, gifts, and discounts. Stay informed about limited-time promotions through notifications.

**Highlights:** Digital bonus program, Earn points through activities, Redeem points for vouchers, Exclusive benefits and discounts, Referral program, Promotional notifications

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

**In-app purchases:** none


### TTRechner

[App page](https://appshunter.io/ios/app/ttrechner/id6449498825)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Werbefreiheit | $2.99 | one-time |


## Frequently asked questions

### Is K free?

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

### Is TTRechner free?

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

### Do K or TTRechner have ads?

TTRechner shows ads; K does not.

### Which is updated more often, K or TTRechner?

K ships an update every 5 months, and TTRechner every 3 weeks. Most recently, K was updated on September 17, 2026 and TTRechner on September 7, 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.*