# Biorhythm Chart vs Memoriter

The clearest difference is review sentiment: Memoriter at 68% against Biorhythm Chart's 20%. Memoriter also leads on update cadence (every 3 weeks vs every 12 months). Biorhythm Chart's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Memoriter sells 2 one-off in-app purchases. Biorhythm Chart asks for nothing beyond the download.

Biorhythm Chart ships an update every 12 months, Memoriter every 3 weeks. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Biorhythm Chart | Memoriter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/biorhythm-chart/id827754871/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 20.0% of reviews | **68.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 51 MB |
| Requires iOS | **6.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shane Clifford](https://appshunter.io/developer/850287078) | [QOOQ inc.](https://appshunter.io/developer/446639722) |

## What reviewers say

### Biorhythm Chart

[App page](https://appshunter.io/ios/app/biorhythm-chart/id827754871)

This application calculates various personal cycles, including physical, emotional, intellectual, intuitive, aesthetic, and spiritual, based on mathematical formulas. It offers a simple yet attractive interface for users to track these potential influences on their lives.

**Highlights:** Physical cycle calculation, Emotional cycle calculation, Intellectual cycle calculation, Intuitive cycle calculation, Aesthetic cycle calculation, Spiritual cycle calculation, Simple and attractive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Memoriter

[App page](https://appshunter.io/ios/app/memoriter/id916135419)

This app helps you remember information by sending timed push notifications based on a forgetting curve. Easily record text or photos and receive reminders to review content, ensuring long-term retention. It offers an intuitive interface and multiple viewing options for efficient learning.

**Highlights:** Spaced repetition notifications, Text and photo recording, Lock screen access, Apple Watch integration, Categorization by tags, Q&A flashcard format, Spartan daily prompt mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Increase database and Delete Ads | $4.99 | one-time |
| Premium | $6.99 | one-time |


## Frequently asked questions

### Is Biorhythm Chart free?

Biorhythm Chart is free to download, with no in-app purchases.

### Is Memoriter free?

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

### Do Biorhythm Chart or Memoriter have ads?

Neither Biorhythm Chart nor Memoriter shows ads.

### Which is updated more often, Biorhythm Chart or Memoriter?

Biorhythm Chart ships an update every 12 months, and Memoriter every 3 weeks. Most recently, Biorhythm Chart was updated on October 15, 2026 and Memoriter on October 16, 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.*