# Habit Prism vs DidItLog

The clearest difference is update cadence: DidItLog at every 5 days against Habit Prism's fortnightly. DidItLog also leads on ratings volume (4 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Habit Prism sells 1 one-off in-app purchase and DidItLog sells 1 in-app purchase, starting at $12.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Habit Prism against 5.0 for DidItLog. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Habit Prism ships an update fortnightly, DidItLog every 5 days. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Habit Prism | DidItLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/habit-prism/id6758595081/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/diditlog-life-task-tracker/id6760142548/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Freemium | Freemium |
| Size | 5 MB | 8 MB |
| Requires iOS | **18.5** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brian Hansen](https://appshunter.io/developer/1781470027) | [Roman Kruglov](https://appshunter.io/developer/1882856967) |

## What reviewers say

### Habit Prism

[App page](https://appshunter.io/ios/app/habit-prism/id6758595081)

Build consistency and reach your goals with a flexible habit tracker. Supports various habit formats, goal setting with rest days, and detailed progress reviews. Data is controlled by the user, with optional Pro features for advanced functionality.

**Highlights:** Multiple habit formats (Yes/No, Rating, Journal, Timed, Task Lists), Goal setting with success thresholds and rest days, Calendar heatmaps and trend analysis, Task organization with filters and priorities, Data export, Backup and restore (Pro), Journal exports (Pro)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Habit Prism Pro | $4.99 | one-time |


### DidItLog

[App page](https://appshunter.io/ios/app/diditlog-life-task-tracker/id6760142548)

This app helps you manage recurring tasks that don't fit into traditional to-do lists or calendars. It provides a visual dashboard to track when you last completed essential maintenance activities, ensuring nothing important is forgotten.

**Highlights:** Visual status dashboard for recurring tasks, At-a-glance color-coded task status (Green, Yellow, Red), Simple one-tap logging to reset tasks, Tracks last completion time for various maintenance activities, Personal maintenance system for everyday life

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DidItLog Pro Plan | $12.99 | per year |


## Frequently asked questions

### Is Habit Prism free?

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

### Is DidItLog free?

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

### Which has better reviews, Habit Prism or DidItLog?

Habit Prism and DidItLog are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Habit Prism or DidItLog have ads?

Neither Habit Prism nor DidItLog shows ads.

### Which is updated more often, Habit Prism or DidItLog?

Habit Prism ships an update fortnightly, and DidItLog every 5 days. Most recently, Habit Prism was updated on October 3, 2026 and DidItLog on October 4, 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.*