# Nirvana for GTD vs SA_agent

Nirvana for GTD and SA_agent are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Nirvana for GTD sells 5 in-app purchases, starting at $4.99 per month and SA_agent sells 4 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Nirvana for GTD ships an update every 2 weeks, SA_agent every 3 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nirvana for GTD | SA_agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (285 ratings)](https://appshunter.io/ios/app/nirvana-for-gtd/id1022913190/reviews)** | — |
| Number of ratings | **285** | — |
| Positive reviews | 75.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | **iPhone, iPad, iPod, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Nirvanahq](https://appshunter.io/developer/538671964) | [鹏帆 常](https://appshunter.io/developer/1895084625) |

## What reviewers say

### Nirvana for GTD

[App page](https://appshunter.io/ios/app/nirvana-for-gtd/id1022913190)

This app helps you capture, organize, and focus on your to-dos using the Getting Things Done methodology. It offers a flexible system to manage tasks without pressure, ensuring nothing gets missed across all your devices.

**Highlights:** Capture to-dos instantly, Organize with Projects, Areas, and Tags, Focus on what matters now, Smart views (Next, Scheduled, Someday), Cross-device synchronization, Flexible and pressure-free system

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nirvana Pro | $4.99 | per month |
| Nirvana Pro | $35.99 | per year |
| Nirvana Pro | $36.00 | per year |
| One Year Subscription | $29.99 | one-time |
| Lifetime Subscription | $49.99 | one-time |

**What reviewers like**

- 🚀 Fantastic app
- 👍 Best GTD app
- 👍 Simple and clean interface
- 👍 Excellent GTD implementation
- 👍 Great for organizing tasks

**What reviewers complain about**

- 🐛 Sync issues
- 🐛 Recurring tasks don't work as expected
- 🐛 Glitchy on iPad
- 🐛 Slow performance
- 🐛 Outdated UI

**Reported bugs**

- Recurring tasks duplicating
- Spam tasks appearing
- App freezing or going blank
- Sync issues causing data loss

**Requested features**

- iOS widgets
- Calendar integration
- Siri/IFTTT integration
- Location-based reminders
- Attachment support


### SA_agent

[App page](https://appshunter.io/ios/app/sa-agent/id6777446364)

**Features:** Safari Extension

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SA_agent Annual | $4.99 | per year |
| SA Agent Credits | $0.99 | one-time |
| SA Agent Credits | $4.99 | one-time |
| SA Agent Credits | $19.99 | one-time |


## Frequently asked questions

### Is Nirvana for GTD free?

Nirvana for GTD is free to download, with in-app purchases available.

### Is SA_agent free?

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

### Do Nirvana for GTD or SA_agent have ads?

Neither Nirvana for GTD nor SA_agent shows ads.

### Which is updated more often, Nirvana for GTD or SA_agent?

Nirvana for GTD ships an update every 2 weeks, and SA_agent every 3 weeks. Most recently, Nirvana for GTD was updated on October 23, 2026 and SA_agent on October 25, 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.*