# Iris vs Tendo

The clearest difference is in-app purchases: Tendo at none against Iris's 2. Tendo also leads on update cadence (every 10 days vs every 3 weeks) and device support (3 vs 1). Iris's advantage is iOS requirement (16.4 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Iris sells 2 in-app purchases, starting at $3.99 per month. Tendo asks for nothing beyond the download.

Iris ships an update every 3 weeks, Tendo every 10 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Iris | Tendo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 53 MB | 63 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [KENNETH CHIN WEI YOW](https://appshunter.io/developer/6783362022) | [David Rok Roglic](https://appshunter.io/developer/6813942911) |

## What reviewers say

### Iris

[App page](https://appshunter.io/ios/app/iris-work-notes/id6783362020)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iris Plus Monthly | $3.99 | per month |
| Iris Plus Yearly | $29.99 | per year |


### Tendo

[App page](https://appshunter.io/ios/app/tendo-calm-adhd-daily-planner/id6813942909)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Iris free?

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

### Is Tendo free?

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

### Do Iris or Tendo have ads?

Neither Iris nor Tendo shows ads.

### Which is updated more often, Iris or Tendo?

Iris ships an update every 3 weeks, and Tendo every 10 days. Most recently, Iris was updated on October 31, 2026 and Tendo on November 10, 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.*