Japan Forces Apple to Open iOS: What the New Antitrust Law Means for Users & Developers

Japan Forces Apple to Open iOS: What the New Antitrust Law Means for Users & Developers

In a landmark move, Japan has passed legislation that compels tech giants like Apple and Google to loosen their grip on app distribution, payments, and platform control. Under this new law, Apple must permit third-party app stores and alternative payment systems on iPhones in Japan. Users will get more freedom. Developers may see lower fees and fairer competition. But there are also important trade-offs around security, user experience, and how quickly changes will roll out.

Let’s explore what this law is, how it compares with the EU’s Digital Markets Act (DMA), what examples show the benefits and downsides, and what users and developers can expect.

What’s the New Japanese Law?

The law is formally called the Act on Promotion of Competition for Specified Smartphone Software. It was passed by Japan’s parliament (upper house) in mid-2024. (MacRumors)

Here are the key requirements:

Apple must allow third-party app stores on iPhones. That means users can install apps from marketplaces outside Apple’s App Store. (MacRumors)
Developers can use alternative payment providers instead of being forced to use Apple’s in-app purchase system and pay Apple’s commission. (MacRumors)
Apple must stop favoring its own services in search results without a valid justification. (MacRumors)
Third-party apps should have access to the same system features (e.g., NFC, contactless payments) that Apple’s first-party apps enjoy. (MacRumors)
If Apple fails to comply, it could face fines of up to 20% of its domestic revenue, rising to 30% for repeated violations. (MacRumors)
The law will be enforced after Cabinet approval and gives Apple an implementation period (some time until end of 2025). (MacRumors)

Why Did Japan Do This?

There are several reasons driving the law. Here are a few:

Dominance of Apple & Google in Japan’s app market
Japanese regulators have found that mobile operating systems and app distribution are effectively a duopoly — Apple and Google control almost the whole market. This limits competition. (MacRumors)
Developers’ complaints about fees, restrictions
Many app developers say Apple’s commission rates (often 15-30%) are high. Also, the limitation that you must use Apple’s payment system, lack of flexibility around app store choice, and Apple’s control can make innovation harder. (MacRumors)
Global precedent and pressure
The European Union’s Digital Markets Act (DMA) forced Apple to allow sideloading or third-party app stores in the EU by March 2024. Japan’s law is broadly similar. (9to5Mac)
Other countries have also been examining antitrust/competition laws targeting Apple’s App Store practices. (MacRumors)
Consumer choice, innovation, and competition
Consumers benefit from more choices: different apps, different payment methods, possibly lower fees. More competition tends to push companies to improve service, reduce cost, and innovate. Regulators believe these are good for the digital economy. (Gizchina)

How This Compares with the EU’s DMA

Since the EU has already passed its Digital Markets Act (DMA), it’s useful to compare what Japan is doing with what the EU required of Apple. Some similarities, some differences.

Feature	EU’s DMA	Japan’s Law
Third-party app stores	Required: Apple must allow alternative app stores / sideloading for iOS in EU by ~March 2024. (9to5Mac)	Also required: Apple must allow third-party app stores in Japan. (MacRumors)
Alternative payment systems	Required under DMA: developers can use non-Apple payment systems. (9to5Mac)	Required: allowed third-party payment provider for apps in Japan. (MacRumors)
Preferential treatment / search bias	DMA prohibits “gatekeepers” from unfairly favoring their own services. (9to5Mac)	Same idea: Apple cannot give its own services preferential search placements etc. (MacRumors)
Penalties	Significant fines for non-compliance – up to a percentage of global turnover. (9to5Mac)	Japan: 20% domestic revenue, 30% for repeat offenders. (MacRumors)
Implementation timeline	Already in effect / in progress in EU. (9to5Mac)	Implementation period until end of 2025. (MacRumors)

So Japan’s law is closely modeled on the EU law but adapted to local legal and market conditions.

Examples & What It Might Look Like in Practice

To make this more concrete, let’s look at how things might change for users, developers, and some hypothetical examples.

Example 1: A game developer in Japan

Suppose you’re a small game studio in Tokyo. You’ve developed a casual game, and you want to distribute it on iOS. Before this law, your options are:

Submit to Apple’s App Store, adhere to Apple’s rules, use Apple’s payment system, pay 15-30% commission.
Possibly distribute via the web (web app) but likely with reduced features or reach, if Apple restricts things like access to certain system APIs or push notifications.

Under the new law:

You could distribute via a third-party app store in Japan (one not run by Apple), which might have lower fees or more flexible terms.
You could offer different payment options to users, e.g. a local payment provider or your own in-app billing, potentially lowering your cost compared to Apple’s commission.
If Apple’s own game or store is favored in search or recommendations (on the device or App Store UI), the law says Apple must stop unfair preference or give justifiable reasons. That might increase your visibility.

Example 2: A user in Japan

You own an iPhone. Before:

You could only install apps via Apple’s App Store.
If an app you want is not approved by Apple, you’re stuck (unless you resort to jailbreak or some workaround, which carries risks).
Payments inside apps are through Apple’s system (and fees are baked in), you can’t choose alternative payment providers.

After the law:

You could install apps from a different app marketplace chosen by you (one of several competing stores).
You could pay using a non-Apple payment method if the developer offers it, possibly saving money.
When you set up the phone, or when you search, you may see choice screens for default apps (browser, etc.) or be given options to switch.
More competition could push app stores to offer better UI/UX, lower fees, and better customer service.

Example 3: Security & Risk Trade-offs

Of course, opening up app distribution comes with concerns. Consider:

Malicious apps / malware risk: If apps are not vetted as strictly as Apple’s App Store approval process, there is a higher risk that a third-party store might host apps that are malicious, poorly written, or violate user privacy.
Consistency & Quality: Some apps depend on deep integration with device APIs; Apple could limit certain features (e.g. notifications, system extensions, background processing) for apps outside its store.
Fragmented user experience: Users might have multiple app stores; updates, validation, trust policies might differ store to store; confusion could arise about which store an app came from.
Support issues: Developers would need to support multiple distribution channels. Apple might still impose some platform restrictions (for security, system stability), so not everything may be possible outside Apple’s store.

What Does This Mean for India & Other Countries?

Japan joining the trend (after EU) suggests a global shift. Some implications:

Countries like India, which already have large app & smartphone markets, may consider similar regulations. If so, Indian users & developers could benefit from lower commissions, more app store competition, alternative payment options.
Apple may need to maintain different versions or policies per region. For example, the law might force them to enable sideloading for Japanese devices, but still restrict it in other markets pending regulation.
Developers who sell globally will need to adapt: maybe offering different payment methods by country, possibly setting up channels in new third-party app stores, ensuring app security and compatibility across distribution methods.

Potential Challenges & What to Watch Out For

While the new law is promising, implementation will matter. Some points to watch:

How “third-party app store” is defined: Will third-party stores be allowed full access to APIs, or will Apple place technical or policy restrictions that limit what they can do?
Security rules & certification: Will Apple require alternate app stores to follow certain security standards? Will they have to use code signing, notarization, etc.? How will malware and privacy protection be ensured?
Consumer education: Users will need to understand risks of installing from stores outside Apple’s, how to identify legitimate apps, maintain updates, etc.
Transition period and scope: Even with the law passed, it takes time to implement, and some features may lag. Apple may still retain some controls in the name of security or consistency.
Cost to developers: Distributing via multiple stores, adjusting for alternative payment systems, marketing in fragmented stores — these bring overhead.

SEO & Searchable Questions You Might Be Asking

Here are some of the questions people are, or will be, asking — useful for SEO targeting:

“Can I sideload apps on my iPhone in Japan now?”
“How much commission will Apple charge in Japan under the new law?”
“Do third-party app stores risk malware in iOS?”
“What changes will developers need to make for compliance?”
“When will Apple implement this law in Japan?”

Addressing these in headings or FAQs in your post will help with search ranking.

Conclusion: A Big Step Toward More Choice (With Caution)

Japan’s antitrust law is a major step in the direction of more openness in how apps are distributed on iOS. For users, it promises more choice, possibly lower costs, and the ability to use apps that previously weren’t permitted. For developers, it may mean better margins, alternative revenue streams, and more freedom.

However, the law also introduces complexity and risk: for Apple, for developers, and for users. Security, platform integrity, and user experience must be preserved. The devil is in the implementation — how Apple adjusts iOS policies, what limitations or restrictions remain, how third-party stores behave, and how users adapt.

Overall, the law underscores a global push toward rebalancing digital platform power. As Japan follows the EU, other nations are likely to follow. For tech watchers, developers, and users around the world, these changes are worth following closely.

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