# FlowMemory vs Trachtenberg Kids

The clearest difference is update cadence: FlowMemory at weekly against Trachtenberg Kids's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FlowMemory sells 10 in-app purchases, starting at $2.99 per 7 days and Trachtenberg Kids sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

FlowMemory ships an update weekly, Trachtenberg Kids every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FlowMemory | Trachtenberg Kids |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 127 MB | 49 MB |
| Requires iOS | 17.5 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Daniil Bystrov](https://appshunter.io/developer/883745569) | [Hayde Tech Ltd](https://appshunter.io/developer/1856967495) |

## What reviewers say

### FlowMemory

[App page](https://appshunter.io/ios/app/flowmemory-flashcards-maker/id6738322382)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flashcards Standard Weekly | $2.99 | per 7 days |
| Flashcards Pro Weekly | $5.99 | per 7 days |
| Unlimited Access | $5.99 | per month |
| Flashcards Standard Monthly | $7.99 | per month |
| Flashcards Pro Monthly | $19.99 | per month |
| Standard Yearly | $79.90 | per year |
| Flashcards Pro Yearly | $199.99 | per year |
| 15 AI Credits | $2.99 | one-time |
| 35 AI Credits | $4.99 | one-time |
| 60 AI Credits | $8.49 | one-time |


### Trachtenberg Kids

[App page](https://appshunter.io/ios/app/trachtenberg-kids-mental-math/id6775289064)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $9.99 | per month |
| Premium - Yearly | $29.99 | per year |


## Frequently asked questions

### Is FlowMemory free?

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

### Is Trachtenberg Kids free?

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

### Do FlowMemory or Trachtenberg Kids have ads?

Neither FlowMemory nor Trachtenberg Kids shows ads.

### Which is updated more often, FlowMemory or Trachtenberg Kids?

FlowMemory ships an update weekly, and Trachtenberg Kids every 3 weeks. Most recently, FlowMemory was updated on November 4, 2026 and Trachtenberg Kids 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.*