# sumi vs Memory Spots

The clearest difference is in-app purchases: Memory Spots at none against sumi's 1. Memory Spots also leads on update cadence (every 5 days vs every 3 months). sumi's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. sumi sells 1 one-off in-app purchase. Memory Spots asks for nothing beyond the download.

sumi ships an update every 3 months, Memory Spots every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | sumi | Memory Spots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/sumi-quiet-flashcards/id6759393853/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 53 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EDEN LOXLEY TIGER ROYE](https://appshunter.io/developer/1878403819) | [NAOTO FUJIMURA](https://appshunter.io/developer/1896752898) |

## What reviewers say

### sumi

[App page](https://appshunter.io/ios/app/sumi-quiet-flashcards/id6759393853)

This app offers a calm and focused approach to revision using spaced repetition. It allows users to import or create study decks and provides intelligent scheduling for optimal memory retention without distracting gamified elements.

**Highlights:** Spaced repetition with FSRS algorithm, Import Anki (.apkg), CSV, TXT, JSON decks, Offline study support, Detailed progress insights, Calm, distraction-free interface, No account or server required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| sumi pro - lifetime | $9.99 | one-time |


### Memory Spots

[App page](https://appshunter.io/ios/app/memory-spots/id6776513467)

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

**In-app purchases:** none


## Frequently asked questions

### Is sumi free?

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

### Is Memory Spots free?

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

### Do sumi or Memory Spots have ads?

Neither sumi nor Memory Spots shows ads.

### Which is updated more often, sumi or Memory Spots?

sumi ships an update every 3 months, and Memory Spots every 5 days. Most recently, sumi was updated on November 5, 2026 and Memory Spots 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.*