# Sat App vs Discipline

The clearest difference is in-app purchases: Discipline at none against Sat App's 2. Discipline also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (13.0 vs 15.0.0). On price, ads and device support there is nothing between them.

Both are free to download. Sat App sells 2 in-app purchases, starting at $1.99 per month. Discipline asks for nothing beyond the download.

Sat App ships an update every 4 months, Discipline every 3 weeks. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sat App | Discipline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/discipline/id6796261399/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 52 MB | 25 MB |
| Requires iOS | 15.0.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aiganym Mykbay](https://appshunter.io/developer/1896389295) | [Egor Zotov](https://appshunter.io/developer/6796261401) |

## What reviewers say

### Sat App

[App page](https://appshunter.io/ios/app/sat-app/id6767118729)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Saat Premium | $1.99 | per month |
| Saat Premium | $9.99 | per year |


### Discipline

[App page](https://appshunter.io/ios/app/discipline/id6796261399)

This app gamifies habit building by turning daily tasks into achievements. Track streaks, visualize progress with calendars, and set flexible goals. It offers detailed analytics and specialized sections for reading and fitness, all while keeping your data private and offline.

**Highlights:** Gamified habit tracking with streaks, Visual progress calendars, Flexible habit scheduling, Multiple goal types, Offline data storage, Reading and fitness logs

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

**In-app purchases:** none


## Frequently asked questions

### Is Sat App free?

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

### Is Discipline free?

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

### Do Sat App or Discipline have ads?

Neither Sat App nor Discipline shows ads.

### Which is updated more often, Sat App or Discipline?

Sat App ships an update every 4 months, and Discipline every 3 weeks. Most recently, Sat App was updated on October 5, 2026 and Discipline on October 6, 2026.

---

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