# Spark by CelcomDigi vs iSAINS

The clearest difference is review sentiment: Spark by CelcomDigi at 68% against iSAINS's 4%. iSAINS's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Spark by CelcomDigi ships an update monthly, iSAINS every 3 weeks. The most recent releases landed on August 31, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Spark by CelcomDigi | iSAINS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (86 ratings)](https://appshunter.io/ios/app/spark-by-celcomdigi/id1324469029/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | **67.5% of reviews** | 3.9% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 125 MB | 17 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CelcomDigi Telecommunications Sdn Bhd](https://appshunter.io/developer/391897541) | [Syarikat Air Negeri Sembilan](https://appshunter.io/developer/1453363803) |

## What reviewers say

### Spark by CelcomDigi

[App page](https://appshunter.io/ios/app/spark-by-celcomdigi/id1324469029)

A digital-first mobile experience offering instant eSIM activation and flexible plan management. Control multiple lines, upgrade or downgrade plans, and access support all within the app.

**Highlights:** Instant eSIM activation, Flexible plan management, Manage up to 5 lines, Affordable plans from RM15/month, On-demand roaming, Live in-app support

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

**In-app purchases:** none


### iSAINS

[App page](https://appshunter.io/ios/app/isains/id1453363804)

Manage your water services with this app. View bills, track consumption, and make payments. Receive alerts for service interruptions and submit feedback or complaints.

**Highlights:** View bills and payment history, Track consumption trends, Pay water bills online, Receive service interruption alerts, Submit feedback and complaints, Use existing customer portal login

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spark by CelcomDigi free?

Spark by CelcomDigi is free to download, with no in-app purchases.

### Is iSAINS free?

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

### Do Spark by CelcomDigi or iSAINS have ads?

Spark by CelcomDigi shows ads; iSAINS does not.

### Which is updated more often, Spark by CelcomDigi or iSAINS?

Spark by CelcomDigi ships an update monthly, and iSAINS every 3 weeks. Most recently, Spark by CelcomDigi was updated on August 31, 2026 and iSAINS on August 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.*