# Memo vs Field Guide

The clearest difference is in-app purchases: Field Guide at none against Memo's 2. Memo's advantage is update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memo sells 2 in-app purchases, starting at $19.99 per month. Field Guide asks for nothing beyond the download.

Memo ships an update every 5 days, Field Guide monthly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Memo | Field Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/memo-brain-training-games/id6448979543/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 9 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siarhei Keller](https://appshunter.io/developer/1687258851) | [4fives Entertainment, LLC](https://appshunter.io/developer/6781844927) |

## What reviewers say

### Memo

[App page](https://appshunter.io/ios/app/memo-brain-training-games/id6448979543)

Engage in quick, daily brain training with memory games and math puzzles designed to sharpen focus and mental agility. Perfect for busy schedules, it offers personalized challenges and progress tracking for all ages.

**Highlights:** Quick daily sessions under 5 minutes, Diverse game collection (math, memory, color, focus), Personalized difficulty adjustment, Detailed progress tracking and reports, Streak tracking for habit building, Family-friendly with multiple profiles

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo Premium +30d Free | $19.99 | per month |
| Memo Premium +30d Free | $79.99 | per year |


### Field Guide

[App page](https://appshunter.io/ios/app/field-guide-micro-lessons/id6781844925)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memo free?

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

### Is Field Guide free?

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

### Do Memo or Field Guide have ads?

Neither Memo nor Field Guide shows ads.

### Which is updated more often, Memo or Field Guide?

Memo ships an update every 5 days, and Field Guide monthly. Most recently, Memo was updated on October 24, 2026 and Field Guide on October 18, 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.*