# Trillion AI vs TrackSubs

The clearest difference is update cadence: TrackSubs at weekly against Trillion AI's every 2 weeks. Trillion AI's advantage is iOS requirement (15 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trillion AI sells 1 one-off in-app purchase and TrackSubs sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Trillion AI ships an update every 2 weeks, TrackSubs weekly. Both last shipped on October 8, 2026.

## The numbers

| Metric | Trillion AI | TrackSubs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 6 MB | 36 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chun-Yi Kuo](https://appshunter.io/developer/1070484210) | [Yogesh Bhatia](https://appshunter.io/developer/1882985724) |

## What reviewers say

### Trillion AI

[App page](https://appshunter.io/ios/app/trillion-ai/id6758277934)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Live AI | $7.99 | one-time |


### TrackSubs

[App page](https://appshunter.io/ios/app/tracksubs-subscriptions-plus-bills/id6760178513)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Track Subs Premium Monthly | $2.99 | per month |
| Track Subs Premium Yearly | $22.00 | per year |


## Frequently asked questions

### Is Trillion AI free?

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

### Is TrackSubs free?

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

### Do Trillion AI or TrackSubs have ads?

Neither Trillion AI nor TrackSubs shows ads.

### Which is updated more often, Trillion AI or TrackSubs?

Trillion AI ships an update every 2 weeks, and TrackSubs weekly. Most recently, Trillion AI was updated on October 8, 2026 and TrackSubs on October 8, 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.*