# Stacks vs NotaTime

The clearest difference is in-app purchases: Stacks at none against NotaTime's 1. NotaTime's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. NotaTime sells 1 one-off in-app purchase. Stacks asks for nothing beyond the download.

Stacks ships an update weekly, NotaTime every 10 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stacks | NotaTime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/stacks-routine-and-habits/id6484160851/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free | — |
| Size | 16 MB | 3 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [EUN SANG LEE](https://appshunter.io/developer/1483878467) | [Nice Software AS](https://appshunter.io/developer/1809667950) |

## What reviewers say

### Stacks

[App page](https://appshunter.io/ios/app/stacks-routine-and-habits/id6484160851)

This app helps you build positive habits and break old ones by combining them into routines. Track your progress easily and sync your data across devices. It also integrates with Apple Health to monitor your well-being.

**Highlights:** Habit stacking for routine building, Intuitive daily habit tracking, Cross-device synchronization, Apple Health integration, Progress streak visualization

**In-app purchases:** none


### NotaTime

[App page](https://appshunter.io/ios/app/notatime-time-tracker/id6763805716)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NotaTime Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Stacks free?

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

### Is NotaTime free?

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

### Do Stacks or NotaTime have ads?

Neither Stacks nor NotaTime shows ads.

### Which is updated more often, Stacks or NotaTime?

Stacks ships an update weekly, and NotaTime every 10 days. Most recently, Stacks was updated on November 4, 2026 and NotaTime on October 31, 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.*