# Spaced Retrieval Therapy vs F

The clearest difference is price: Spaced Retrieval Therapy at $9.99 against F's $149.99. Spaced Retrieval Therapy also leads on rating (4.7 vs 4.4) and ratings volume (32 vs 8). F's advantage is review sentiment (86% vs 65%) and update cadence (every 4 months vs every 18 months). On ads, in-app purchases and monetization model there is nothing between them.

Spaced Retrieval Therapy costs $9.99 and F $149.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spaced Retrieval Therapy holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 32 and 8 respectively. Written reviews complicate that: 65% of Spaced Retrieval Therapy's written reviews are positive against 86% of F's, so the app with the better star average is not the one people write more warmly about.

Spaced Retrieval Therapy ships an update every 18 months, F every 4 months. The most recent releases landed on November 8, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Spaced Retrieval Therapy | F |
| --- | --- | --- |
| Price | **$9.99** | $149.99 |
| Rating | **[4.7 (32 ratings)](https://appshunter.io/ios/app/spaced-retrieval-therapy/id498787795/reviews)** | [4.4 (8 ratings)](https://appshunter.io/ios/app/f-stac/id1014974144/reviews) |
| Number of ratings | **32** | 8 |
| Positive reviews | 64.7% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 5 MB | 54 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tactus Therapy Solutions Ltd.](https://appshunter.io/developer/438070002) | [Cognitive Innovations LLC](https://appshunter.io/developer/788770952) |

## What reviewers say

### Spaced Retrieval Therapy

[App page](https://appshunter.io/ios/app/spaced-retrieval-therapy/id498787795)

This app uses a scientifically proven method to help individuals with memory impairments, such as dementia, recall important information. It acts as an interval timer, automatically adjusting prompt timing based on user responses to reinforce memory over time.

**Highlights:** Spaced retrieval training method, Automatic interval adjustment, Data tracking and reporting, Background operation, Subtle sound and visual prompts, Email finished reports

**In-app purchases:** none


### F

[App page](https://appshunter.io/ios/app/f-stac/id1014974144)

This tool offers a standardized cognitive screening through 14 functional tasks. It integrates real-life distractions to assess cognitive abilities and performance breakdowns in various domains. Clinicians can observe clients performing tasks from simple to complex.

**Highlights:** 14 functional tasks, Real-life distractions integration, Cognitive domain assessment, Functional performance reporting, Clinician observation tool, Money management tasks, Medication management tasks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spaced Retrieval Therapy free?

Spaced Retrieval Therapy costs $9.99, with no in-app purchases.

### Is F free?

F costs $149.99, with no in-app purchases.

### Which has better reviews, Spaced Retrieval Therapy or F?

Spaced Retrieval Therapy is rated higher. Spaced Retrieval Therapy averages 4.7 out of 5 from 32 ratings, while F averages 4.4 from 8 ratings.

### Do Spaced Retrieval Therapy or F have ads?

Neither Spaced Retrieval Therapy nor F shows ads.

### Which is updated more often, Spaced Retrieval Therapy or F?

Spaced Retrieval Therapy ships an update every 18 months, and F every 4 months. Most recently, Spaced Retrieval Therapy was updated on November 8, 2026 and F on November 1, 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.*