# PositiveDiary vs Affirma

The clearest difference is in-app purchases: PositiveDiary at none against Affirma's 1. Affirma's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Affirma sells 1 in-app purchase, starting at $1.99 per month. PositiveDiary asks for nothing beyond the download.

PositiveDiary ships an update every 9 days, Affirma every 6 days. The most recent releases landed on September 9, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | PositiveDiary | Affirma |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 142 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) | [arai.me](https://appshunter.io/developer/1652629805) |

## What reviewers say

### PositiveDiary

[App page](https://appshunter.io/ios/app/positivediary/id6737477917)

**Features:** macOS Compatibility

**In-app purchases:** none


### Affirma

[App page](https://appshunter.io/ios/app/affirma-dream-builder/id6745803502)

This app helps you achieve your goals by rewiring your subconscious through positive self-talk and science-backed techniques. It offers personalized programs, habit-building tools, and progress tracking to overcome self-doubt and negative thoughts.

**Highlights:** Personalized growth programs, Voice-guided affirmations, Smart habit system with reminders, Visual progress dashboard, SMART goal-setting support, 26 expert categories

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |


## Frequently asked questions

### Is PositiveDiary free?

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

### Is Affirma free?

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

### Do PositiveDiary or Affirma have ads?

Both PositiveDiary and Affirma show ads.

### Which is updated more often, PositiveDiary or Affirma?

PositiveDiary ships an update every 9 days, and Affirma every 6 days. Most recently, PositiveDiary was updated on September 9, 2026 and Affirma on June 2, 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.*