# myTNB vs Grail Spark

The clearest difference is in-app purchases: myTNB at none against Grail Spark's 2. myTNB also leads on iOS requirement (15.0 vs 17.0). Grail Spark's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Grail Spark sells 2 in-app purchases, starting at $5.99 per 7 days. myTNB asks for nothing beyond the download.

myTNB ships an update monthly, Grail Spark weekly. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | myTNB | Grail Spark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (70 ratings)](https://appshunter.io/ios/app/mytnb/id1297089591/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 19.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 210 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Tenaga Nasional](https://appshunter.io/developer/694937527) | [Yu Zhao](https://appshunter.io/developer/6788705398) |

## What reviewers say

### myTNB

[App page](https://appshunter.io/ios/app/mytnb/id1297089591)

Manage your energy accounts with ease. Track consumption, pay bills, and view your history all in one place. Discover promotions and locate service centers effortlessly.

**Highlights:** Personalized dashboard, Energy consumption tracking, Multiple account management, In-app bill payment, Bill and payment history, Promotions updates, Service center locator

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

**In-app purchases:** none


### Grail Spark

[App page](https://appshunter.io/ios/app/grail-spark/id6799032121)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $5.99 | per 7 days |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is myTNB free?

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

### Is Grail Spark free?

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

### Do myTNB or Grail Spark have ads?

Neither myTNB nor Grail Spark shows ads.

### Which is updated more often, myTNB or Grail Spark?

myTNB ships an update monthly, and Grail Spark weekly. Most recently, myTNB was updated on November 1, 2026 and Grail Spark on October 24, 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.*