# RioBirds Watch vs UB Trainer Session

The clearest difference is ads: RioBirds Watch at none against UB Trainer Session's shown. RioBirds Watch also leads on update cadence (every 3 days vs every 10 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RioBirds Watch ships an update every 3 days, UB Trainer Session every 10 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RioBirds Watch | UB Trainer Session |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 8 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [PORTIA RENSHAW](https://appshunter.io/developer/6803272695) | [Michaela Klein](https://appshunter.io/developer/1895006945) |

## What reviewers say

### RioBirds Watch

[App page](https://appshunter.io/ios/app/riobirds-watch/id6803272693)

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

**In-app purchases:** none


### UB Trainer Session

[App page](https://appshunter.io/ios/app/ub-trainer-session/id6813386061)

**In-app purchases:** none


## Frequently asked questions

### Is RioBirds Watch free?

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

### Is UB Trainer Session free?

UB Trainer Session is free to download, with no in-app purchases.

### Do RioBirds Watch or UB Trainer Session have ads?

UB Trainer Session shows ads; RioBirds Watch does not.

### Which is updated more often, RioBirds Watch or UB Trainer Session?

RioBirds Watch ships an update every 3 days, and UB Trainer Session every 10 days. Most recently, RioBirds Watch was updated on November 6, 2026 and UB Trainer Session 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.*