# objManager vs Diary AI

The clearest difference is update cadence: Diary AI at every 16 months against objManager's every 38 months. On price, ads, in-app purchases and device support there is nothing between them.

objManager costs $0.99 and Diary AI $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

objManager ships an update every 38 months, Diary AI every 16 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | objManager | Diary AI |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 16 months** |
| Size | 3 MB | 3 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Juiko Ong](https://appshunter.io/developer/639263890) |

## What reviewers say

### objManager

[App page](https://appshunter.io/ios/app/objmanager/id464239570)

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

**In-app purchases:** none


### Diary AI

[App page](https://appshunter.io/ios/app/diary-ai/id6532618062)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is objManager free?

objManager costs $0.99, with no in-app purchases.

### Is Diary AI free?

Diary AI costs $0.99, with no in-app purchases.

### Do objManager or Diary AI have ads?

Neither objManager nor Diary AI shows ads.

### Which is updated more often, objManager or Diary AI?

objManager ships an update every 38 months, and Diary AI every 16 months. Most recently, objManager was updated on October 1, 2026 and Diary AI on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*