Comparison

Spark by CelcomDigi vs yallo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Spark by CelcomDigi

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
Read full description

Get a 5G eSIM without visiting a physical store. Spark is the eSIM-only experience designed for a digital-first lifestyle, comes with app-powered experience that puts you in total control. No hidden fees or long-term contracts—just high-speed connection that stays within your budget. Spark First: A limited time newcomer plan for RM15 that comes with 20GB of uncapped speed data + hotspot and 100 mins of voice call SPARKWISE: RM 5 OFF x 6 months for everyone! Note: Only applicable to Spark Standard and Spark Plus Why Spark Hits Differently: • Instant eSIM Activation:  Get your number and get connected in under 5 minutes. • Total Flexibility:  Pause, resume or upgrade anytime.  Boosters from RM1:  Add extra GB / Minutes / SMS for just RM1.  • Global Roaming from RM4:  Touch down in 82 countries and stay connected instantly. No more hunting for local SIMs.  • Manage 5 Lines:  Control family or business lines from one login. • Live in-app support — Real help, real time.  Plans for Every Vibe From light browsing to heavy streaming, we’ve got a plan for you from RM12 to RM65/mth. • First: Exclusive plan designed for first timers to join the Spark family • Litei: The light-use plan. Start small & flex up when needed.  • Standard: Our 80GB Hero plan. The perfect sweet spot for streaming & browsing.  • Plus: The Beast. Massive 5G/4G data for heavy users who want to ditch WiFi. Need a quick boost? Flex Up with extra Data, Voice, or SMS—all starting from just RM1.  How to Get Sparked (in 3 Steps): • Download: Grab the app and check if your phone is eSIM-ready. • Pick: Choose your number and a plan that fits you.  • Activate: Follow the prompts and you’re live. No physical SIM, no waiting. Real Support, Real Fast: Get help when you need it with our Live In-App Support.

About

yallo

Easily manage your mobile account with quick access to call credit, usage history, and active options. Top up your account and activate or deactivate services without needing to remember passwords. Future updates will include credit card top-ups and exclusive app offers.

Highlights
  • Easy account overview
  • Check remaining call credit
  • Top up account
  • View usage history
  • Manage active options
  • Activate/deactivate services
Features
Read full description

The most convenient way to get a quick overview of your account. Highlights: Easy login. See your remaining call credit. Top up your account. See your usage and top-up history. Check on active options. Activate and deactivate options. Easy login: Log in once with your yallo number and stay logged in. No password to remember. Manage your options: With the yallo app you can see what options you have active, when they will be renewed and how much they cost. There’s more to come! We are planning to add more features in the upcoming months including: Credit Card top-up and Special offers exclusive to app users. Note: The App is available exclusively to those with a yallo Mobile Switzerland SIM card. -------------------------------------- Costs: -using yallo CH App is free of charge -the Apps data traffic, is billed in accordance with the connection rates of your mobile service provider or your Wi-Fi network. -using the application abroad will result in additional cost due to roaming. Feedback: If you discover a bug or have suggestions to improve this app, please contact us at app@yallo.ch. For bug reports, please include as much relevant information as possible. We would greatly appreciate it if you could leave us a five star rating!!

Screenshots

Spark by CelcomDigi4 screens
yallo4 screens

Verdict

The call

The clearest difference is review sentiment: Spark by CelcomDigi at 68% against yallo's 25%. Spark by CelcomDigi also leads on update cadence (monthly vs every 7 months). yallo's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

yallo holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 86 and 35 respectively. Written reviews complicate that: 68% of Spark by CelcomDigi's written reviews are positive against 25% of yallo's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Spark by CelcomDigi ships an update monthly, yallo every 7 months. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Spark by CelcomDigi versus yallo: the parameters behind the verdict, then further details
ParameterSpark by CelcomDigiyallo
PriceFreeFree
Rating4.6 (86 ratings)4.9 (35 ratings) — better
Positive reviews67.8% of reviews — better25.0% of reviews
Number of ratings86 — better35
Update frequencyMonthly — betterEvery 7 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size125 MB5 MB
Age rating4+4+
DeveloperCelcomDigi Telecommunications Sdn BhdSunrise UPC GmbH

Customer experience

Spark by CelcomDigi

All ratings86 ratings
Positive90.7%
Neutral2.3%
Negative7.0%
Written reviews118 reviews
Positive67.8%
Neutral6.8%
Negative25.4%

yallo

All ratings35 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

None

Spark by CelcomDigi

No in-app purchases

None

yallo

No in-app purchases

Questions

Is Spark by CelcomDigi free?
Spark by CelcomDigi is free to download, with no in-app purchases.
Is yallo free?
yallo is free to download, with no in-app purchases.
Which has better reviews, Spark by CelcomDigi or yallo?
yallo is rated higher. Spark by CelcomDigi averages 4.6 out of 5 from 86 ratings, while yallo averages 4.9 from 35 ratings.
Do Spark by CelcomDigi or yallo have ads?
Spark by CelcomDigi shows ads; yallo does not.
Which is updated more often, Spark by CelcomDigi or yallo?
Spark by CelcomDigi ships an update monthly, and yallo every 7 months. Most recently, Spark by CelcomDigi was updated on October 5, 2026 and yallo on October 13, 2026.

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