# NPS SING Parent vs Jellow Scheduler

The clearest difference is in-app purchases: NPS SING Parent at none against Jellow Scheduler's 1. NPS SING Parent also leads on iOS requirement (12.0 vs 17). Jellow Scheduler's advantage is update cadence (monthly vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. Jellow Scheduler sells 1 one-off in-app purchase. NPS SING Parent asks for nothing beyond the download.

NPS SING Parent ships an update every 15 months, Jellow Scheduler monthly. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | NPS SING Parent | Jellow Scheduler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Size | 25 MB | 23 MB |
| Requires iOS | **12.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chandra Sekhar Kalubandi](https://appshunter.io/developer/1468638523) | [Ravi Poovaiah](https://appshunter.io/developer/1422351461) |

## What reviewers say

### NPS SING Parent

[App page](https://appshunter.io/ios/app/nps-sing-parent/id1637837803)

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

**In-app purchases:** none


### Jellow Scheduler

[App page](https://appshunter.io/ios/app/jellow-scheduler/id6748593222)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jellow Scheduler | $4.99 | one-time |


## Frequently asked questions

### Is NPS SING Parent free?

NPS SING Parent is free to download, with no in-app purchases.

### Is Jellow Scheduler free?

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

### Do NPS SING Parent or Jellow Scheduler have ads?

Neither NPS SING Parent nor Jellow Scheduler shows ads.

### Which is updated more often, NPS SING Parent or Jellow Scheduler?

NPS SING Parent ships an update every 15 months, and Jellow Scheduler monthly. Most recently, NPS SING Parent was updated on October 1, 2026 and Jellow Scheduler on October 6, 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.*