# 100Days vs Affirma

The clearest difference is ads: 100Days at none against Affirma's shown. 100Days also leads on update cadence (daily vs every 6 days). Affirma's advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. 100Days sells 3 in-app purchases, starting at $14.99 per month and Affirma sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

100Days ships an update daily, Affirma every 6 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 100Days | Affirma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/100days-habit-tracker/id6744754614/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 days |
| Monetization | Freemium | Free with in-app purchases |
| Size | 28 MB | 142 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Night House LLC](https://appshunter.io/developer/1809212322) | [arai.me](https://appshunter.io/developer/1652629805) |

## What reviewers say

### 100Days

[App page](https://appshunter.io/ios/app/100days-habit-tracker/id6744754614)

Build better habits and achieve personal goals with daily check-ins, smart reminders, and visual progress tracking. This app provides the structure and motivation needed to stay consistent on your journey to transformation.

**Highlights:** Daily check-ins, Smart reminders, Visual progress tracking, Advanced analytics, Goal consistency

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100Days Pro | $14.99 | per month |
| 100Days Pro Annual | $29.99 | per year |
| 100Days Pro Annual | $29.99 | per year |


### 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 100Days free?

100Days is free to download, with in-app purchases available.

### Is Affirma free?

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

### Do 100Days or Affirma have ads?

Affirma shows ads; 100Days does not.

### Which is updated more often, 100Days or Affirma?

100Days ships an update daily, and Affirma every 6 days. Most recently, 100Days was updated on October 24, 2026 and Affirma 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.*