# Deckbase vs Synapse

The clearest difference is ads: Synapse at none against Deckbase's shown. Deckbase's advantage is update cadence (every 4 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Deckbase sells 4 in-app purchases, starting at $5.99 per month and Synapse sells 2 in-app purchases, starting at $79.99 per year. Whichever you choose, the download price is not the number that matters.

Deckbase ships an update every 4 days, Synapse every 5 weeks. The most recent releases landed on September 24, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Deckbase | Synapse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/deckbase-ai-flashcard-maker/id6760248255/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 131 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Sakurai](https://appshunter.io/developer/1706591331) | [Roi Rozenthal](https://appshunter.io/developer/6775226779) |

## What reviewers say

### Deckbase

[App page](https://appshunter.io/ios/app/deckbase-ai-flashcard-maker/id6760248255)

This AI-powered study assistant generates flashcards from various file types and chat inputs. It utilizes spaced repetition for effective long-term memory retention and offers AI-generated images and audio for enhanced learning.

**Highlights:** AI chat assistant for instant flashcard generation, AI image and audio generation for mnemonic aids, Bulk flashcard creation from documents and files, OCR for generating cards from photos and scans, Spaced repetition for memory retention, Clean and focused study interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Month | $5.99 | per month |
| Pro Month | $11.99 | per month |
| Basic Year | $59.00 | per year |
| Pro Year | $119.00 | per year |


### Synapse

[App page](https://appshunter.io/ios/app/synapse-flashcard-maker/id6780468536)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synapse Premium | $79.99 | per year |
| Synapse Premium — Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Deckbase free?

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

### Is Synapse free?

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

### Do Deckbase or Synapse have ads?

Deckbase shows ads; Synapse does not.

### Which is updated more often, Deckbase or Synapse?

Deckbase ships an update every 4 days, and Synapse every 5 weeks. Most recently, Deckbase was updated on September 24, 2026 and Synapse on September 4, 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.*